|
Post a New Question | Current Questions | Chat With Live Tutors
Recent Homework Questions About Biology
Post a New Question | Current Questions
biology
which leukocyte is predominant in the blood smear? explain by comparing it with other leukocytes ad red blood cells in the blood smear
English
Thank you very, very much for helping me! I still have to mention a few things to connect the description of the school to the need of promoting the study of English and IT. I hope you can help me express them. 1) I also wanted to say that students from the applied sciences ...
English
Here is the second part of the school description I need to translate. Some words are unclear and the sentences are too wordy. I need your help to improve them. 1) third branch includes the study of two foreign languages: English and French and addresses to all those who wish ...
biology
the importance of these organic compounds ( carbohydrates, proteinds, lipids) in the cells and tissues of living things
biology
does the human ovum produce any chaemotactic hormones or sugars to attract sperm cells?
biology
why do serum protein molecules such as albumin and lysozyme adopt different changes within physiological pH range?
biology
why do serum protein molecules such as albumin and lysozyme adopt different changes within physiological pH range?
Biology
From the problem above, which fish would be most likely to die when dropped into hot water at 30 degrees Celsius, a fish acclimatized to 4 degrees C or a fish acclimatized to 16 degrees C?
Biology
Describe some of the physiological changes that happen to the cell membranes of a rainbow trout as it acclimatizes to cold, water at 4 degrees Celsius, after living at 16 degrees Celsius for a long time?
Biology
Would you expect an ectoparasite, such as a bird louse, that lives its entire life on the body of a homeothermic host, to have a broad thermal tolerance? How about mite that lives on the bodies of rattlesnakes?
biology
what be the greatest visual magnification ahieved with normal kind microscopes like compound type? that be 1000x. but how you can determine this for any microscope? what be the depth of field? and what power be depth of field the smallest? what power an object be the biggest? ...
biology
i did biology post yesterday i not find it someone please tell me where it go?
Biology
Tube # 1: 1 ml of water, 3 ml of glucose-1-phosphate and 3 ml of Enzyme. Tube # 2: 1 ml of Ph 7 buffer, 3 ml of glucose-1-phosphate and 3 ml of Enzyme. Both of these reactions tested positive, and the same enzyme was used for both tubes. Why Did you get get a positive reaction...
Biology
When looking at a sample of blood for White Blood Cell's, what could you do to reduce interference from Red Blood Cells?
Biology
Using a special balloon that is permeable to water but not sucrose to make an "artificial" cell. The balloon is filled with a solution of 20% sucrose and 80% water and is immersed in a beaker containing a solution of 40% sucrose and 60% water. The solution in the ...
Biology
In my HW, it asked to explain how the salinity of water changes in an estuarine environment.... this is a totally new question for me, please help...
BIOLOGY
Predict which would diffuse faster, briefly explain why. a. Methylene blue or KMnO4 with the same concentration b. 1.0M vs 0.1 M methylene blue solution c. KMnO4 at 0oC and 100oC
biology
Propose a reason why you would see several differences between different slides of skin
biology
Describe the to type of energy changes that can occur in a chemical reaction Thanks
biology
Describe how atoms in a compound are held together thank you
Biology
If all nerves respond to stimuli why can’t your eyes “hear” sound and your ears “see” light?
Biology
Give the sequence of a reverse primer used to insert a BamHI site (GGATCC) at the 3' end of the following sequence: 5' CTGAACGTCCAAGGCTTAA 3' 3' GACTTGCAGGTTCCGAATT 5' Make sure you indicate your primers polarity.
biology
If I had an experiment where I was testing how the membrane permeability is affected by ethanol, and by doing this had to observe thin onion slides with different ethanol concentrations and had to count how many nuclei were seen through the microscope once being stained. My ...
biology
How does an observation about an object differ from an inference about that object. I Really need help on biology Thank you
biology
Which of the following statements about the image show below is not an observation? (The object is a the bug) a. The insect has 3 legs on the left side. B. The insect has a pattern on its back. C. Then insects pattern shows that it is poisonous. D. The insect is green, white, ...
Biology
We did an assignment called the tooth pick fish and the yellow fish were in danger then all the green fish disappeared because they were in a hostile environment i don't fully under stand this question though Have any genes disappeared entirely?
Biology
Yellow genes are recessive to green; green are dominant to both red and yellow. Which color of genes disappeared faster when the environment was hostile to them? Why?
Biology
What is the name for an environmentally sensitive species? Its for a crossword and I can't find the term anywhere. Help would be appreciated!
Biology
I have a question and I'm not sure if my answer is correct? The heart is supplied with blood by: diffusion through heart wall right and left cardiac arteries arteries that branch directly from pulmonary arteries arteries that branch directly from aorta I know the heart ...
Biology
write a paragraph describing the importance of dna to science, medicine, and all living organisms
Biology
What is the function of water in cellular respiration and photosynthesis? Detailed answer please
Biology
During the cell cycle, if the cell detects that mistakes have been made in replication, the cell may die by apoptosis. True/False
biology
I have to do a line graph showing generation time every 20 mins a cell diving upto 360 mins. using binary fission . am getting mixed up how to mark it down on two axis.9 boxes with mini boxes of 10 in axis i was going to use for time and vertical axis has 14 large boxes within...
Biology
There is probably a really obvious answer to this but could you help please? In his lifetime a man produces many millions of spem cells and yet he is most unlikely to have more than ten children. Suggest a biological advantage of producing such vast numbers of sperm
Biology
In human body, substances from blood filter through a membrane into renal tubule (kidney). What does an increase in the driving pressure correspond to?
Biology
What will happen to human red blood cells (crenate, lyse, or no change) if they are placed in the following solutions? 20% NaCl solution
English
How can I revise this sentence? with the addition of a lexical and skills syllabus on biology. (therminology used in biology to describe biodiversity) 1) Do you think that the following should be included into the objectives or the results of students' analyses on water? 2...
English
Could you please tell me if everything is OK? Thank you. I had to include the linguistic objectives of the project as well as the methods we are going to employ. Linguistic objectives 1)To provide students with the necessary linguistic structures to operate in a global work/...
biology
experiment to show that heat is given out during aerobic respiration?material needed,method/procedure,observation and conclusion
Biology
If the doctor presses on the right hypochondriac region, what organ is the doctor likely pressing on?
Biology
Why is proper microscope technique important for studying Anatomy and Physiology?
bio101
2. Find a media piece—article, video, presentation, song, or other—that recognizes the fundamental concepts of chemistry in biology. Include the link or reference citation for the piece and describe how it helped you better understand how fundamental concepts of ...
Biology
Which of the following organs would not be visible if you cut the body in a mid-sagittal section? Explain? a. Brain b. stomach c. heart d. kidneys
Biology/Chemistry
Consider that the human brain weighs about 1 kg and contains 10^11 cells. Assuming that each cell is entirely filled with water, and knowing that 1 cm^3 of water weighs 1 g, calculate the volume of a brain cell (in picoliters).
Biology
Why does the diameter of arterioles increase when there is a constriction of smooth muscles?
biology
Do living tissues react more like water or more like a buffer?
Biology
Is is all plant that make use of the process ''photosynthesis''? If no, why? if yes, why?
biology
What effect does an increase or decrease in the pH of the cell cytoplasm have on proteins and their ability to function?
biology
Explain the importance of carbon's ability to form covalent bonds in straight chains, branched chains, or rings.
Biology
I just want to know if my answers are right for this folowing: 1. The nose is MEDIAL to the ears. 2. The elbow is DISTAL to the shoulder and PROXIMAL to the wrist. 3. The heart is ANTERIOR to the spine. 4. The stomach is DEEP to the ribs. 5. The pinky finger is DISTAL to the ...
biology
What changes occur when a solution goes from ph 5 to ph 8
math (stats)
A biology professor gives a surprise quiz consist of a true/false question followed by a multiple choice question with four possible answers. If both questions are answered with random guesses, find the probability that both responses are correct. Please show your work.
biology
What effects does an increase or decrease in the pH of the cell cytoplasm have on proteins and their ability to function?
biology
What effect does an increase or decrease in the pH of the cell cytoplasm have on proteins and their ability to function?
English
I am doing a university application form where I am asked questions it asks: *Why are you interested in this program? (100 words or less) I applied for Biological Sciences-Major Human Biology. My question is, would it be ok if I talked about the major instead of general ...
biology
A dominant gene A produces wire-haired texture in dogs. Its recessive aamllele a produced smooth hair. Cross the heterozygous wire-haired dog with homozygous smooth-haired dog. List the genotype and phenotype ratios of all the possible offspring.
BIOLOGY
what is an hypothesis. a. a prediction b.a collection of data c.a possible explanation tha can be tested d. a controlled experiment. i think is d
BIOLOGY
which of the follwing is best definition of science? A.a body of knwolege gathered throgh experiments. B.a process of accidental discorery. C. a search for answers to questions about the natural world. D. a method of asking testable questions based on hypothesis.
BIOLOGY
Which of the following is the best definition of science.
Biology
15.8 ml = how many Liters
Biology
The transport of blood by the combining of endothelial cells to form a capillary is an example of: An emergent property Natural selection Adaptation A population Asexual reproduction Is it Asexual reprod
English
Sometimes words appear as though they begin with a prefix when they actually do not. Each of the following word groups contains a word that looks as though it begins with a number prefix, but does not. Write the word that has no prefix in the blank at the right. 1.centipede,...
Biology
In an experiment designed to measure the distance a golf ball is hit by clubs made of different material, a standardized variable would be: A The distance the golf ball traveled B The type of material the club is made of C The material the golf ball was made of D The wind ...
Biology
The "Kingdom" is the most all inclusive taxonomic category True or False. I think it is true but not sure
Biology - Genetics
Please help me!!!! I need help with this practice test question. In Guinea pigs, the brown coat (B) is a dominant over the cream-coloured coat (b), and straight hair (H) is dominant over curly hair (h). Using a Punnett square, complete the cross between a heterozygous brown, ...
biology
What is the difference betwen RNA virus and Retrovirus?
biology
What is the difference betwen RNA virus and Retrovirus?
English
Everybody in my class got their paper work they have to do by the end of the week.I got mine too,so i would like you to help me with this :D? I got a paper with instructions: There are 8 students,each with different IQ.Those students recieved 10 medical books,(medical because ...
biology
what is the correct pathway required for oxygen
Human and Social Biology
A calorimeter was used to oxidise completely 2g of a food sample,causing a temperature rise of 5degrees C in 100cm3 of water(this figure includes the water equivalent of the apparatus). How much energy was present in the food sample(in joule per g)?
biology
Which of the following is a function of modern-day psychologists? read tour thoughts study conformity study the future study how the positions of planets influence a person's personality
biology
What does nt mean? biotechnology....is it nanotecnology or nuclear transfer??? or measurement?
ap biology
The first step in making a protein is transcription of a gene. This occurs in the 1._______of a eukaryotic cell. An enzyme called 2.______ carrres out the process of transcribing RNA from the DNA. It starts at a specific nucleotide sequence called a 3.______ next to the gene. ...
Biology
what would b possible sources of errors for a potato experiment involving osmosis with potato going into salt solutions ( 50% and 25%) and also potato going into 100% distilled water?
Biology
Cells absorbing sugar or other small molecules from their surroundings is an example of A. diffusion B.osmosis C. exocytosis D.endocytosis I think it is either C or D because they both have to do with the transportation of molecules in and out of cells.
Science Fair
I'm doing my science fair project on like how healthy and junk food affect the human body. I check on the site (Rockland Sit Fair) and reading the Project Categories. Does these project categories below relates to my project??? Medicine and Health: Study of diseases and ...
Please help me!!! BIOLOGY
1. Explain how natural selection and sexual selection can work together to cause the evolution of large antlers on male moose. 2. Suggest two ways a synthetic biologist can change the course of evolution.
evolutionary machanism - BIOLOGY
A flock of migrating birds is blown off course by a storm and carried towards a small island that has no birds. Only three of the birds survive the storm and make it to the island. They start to reproduce and, after several years there are 500 birds on the island. Does the ...
Biology - Evolution
In one sentence each, describe a) one positive effect of direct artificial selection b) one negative effect of direct artificial selection c) one negative effect of indirect artificial selection
Biology
how do animals that live in different enviroments meet their need for efficent gas exhcange? I was thinking maybe through their respiratory system? Body surface, lungs , gills, any specialized organs ? Or though the environment they live in ?
Biology
Is predation (predators feeding on prey) the only form of species interaction that represents consumption?
Biology
Do all living organisms undergo sexual reproduction?
biology
what is the length of trecha in men
BIOLOGY
WHAT DO YOU MEAN BY A "SUITABLE CONTROL" IN AN EXPERIMENT? WHAT WOULD BE THE "SUITABLE CONTROL" IN AN EXPERIMENT TO INVESTIGATE THE EFFECTS OF DIFFERENT LIGHT INTENSITIES ON RATE OF PHOTOSYNTHESIS?
Biology
What is the difference between thromboplasin and factor Xa? I have in my notes that they both convert prothrombin to thrombin.
biology
Is it normal for variation to occur within a group? Explain.
biology
A dominant gene V in humans causes certain areas of the skin to become depigmented, a condition called "vitiligo." Albinism is the complete lack of pigment production and is produced by the recessive genotype aa. The albino locus is epistatic to the vitiligo locus. ...
Biology
Using RNA a s a template for prot e in synthesis instead of t r ans l a t ing prot e ins directly from the DNA is advantageous for the cell because A) RNA is much more stable than DNA. B) RNA acts as an expendable copy of the genetic material, allowing the DNA to serve as a ...
Biology
When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical, the cells sag and become round blobs. The internal structures disrupted by this chemical are probably _____. A. cell junctions B. microtubules C. rough endoplasmic reticulum...
Biology
Which one of the following organelles would be especially abundant in the pancreatic cells that produce digestive enzymes? A. rough endoplasmic reticulum B. smooth endoplasmic reticulum C. lysosomes D. microfilaments E. mitochondria Apparently the answer is not lysosomes, so ...
Biology
Using the codon table, determine the sequence of the protein that will be produced from the mRNA sequence below. Be sure to begin with a start codon. 5'-CCCAAUGUUGCGGCCAUGACAC-3' A. N-Methionine-Leucine-Arginine-Proline-C B. N-Methionine-Histidine-Serine-Threonine-&#...
science-biology
On my homework there's a diagram of a flying bird with the allele of aa and then there's an arrow pointing to the land with 3 birds on the ground with the alleles AA. What would the allele frequency of A change from? A)1 to .75 B)0 to .25 C)0 to .75 D)1 to .25
biology
Relationship between free energy change and metabolism in biological system
Biology
If the concentration of a sample is 81.5ng/ul, What is the volume needed to concentrate the sample to get a concentration of 200 ng/ul?
Biology
explain the process of adaptive radiation, and how are reproductive barriers important to speciation
science-biology
I'm pretty sure the answer is A, am I correct? Natural selection tends to A) increase the frequency of characteristics that enhance survival and reproduction. B) decrease the number of individuals in any given population. C) lead to an increase in genetic drift. D) ...
Biology
what does this mean: the rate of blood flow to an organ is related to resistance to flow in the small arteries and arterioles
Biology
which of the following DNA sequences would likely be the most stable? (only one strand of the helix is shown) A) CCGAGGCCT B) CGTATAGGG C) CCCGGGGCC D) CTAAGCTTT E) ATATATATA I know the answer is c but why is that true?
Biology
4)You count your cells and have 8x10ᶺ5 viable cells/ml you want to see (dilute the cells) to end up with 2x10ᶺ5 viable cells/ml. What volume of cells will you put into 20 ml?
Biology
1.The four rows of data below show the boiling points for a solution with no solute, sucrose (C12H22O11), sodium chloride (NaCl), and calcium chloride (CaCl2) (not in that order). Which boiling point corresponds to calcium chloride?
Biology
can anyone tell me a little about MacArthur and Wilson's theory of island biogeography? I need to answer the question Describe a series of small habitats that exist within 10 to 20 kilometers of your house and which might be subject to MacArthur and Wilson's theory of ...
biology
Aristotle's system of classification, which 2 animals would be grouped together? A, seagulls and lizards B.seals and bats c. snails and butterflies d. whales and fish thanks
biology
mammals are most closely related t : A, amphibians B. birds C. arthropods tks.
biology
please help me on true or false, i put false, according to natural selection, individual organisms can evolve new phenotpes in response to their environments.
biology
6) If the DNA sequence is GTAC, what will be the mRNA sequence? a) CATG b) CTUT c) CAUG d) UCGG 7) Given the codon UGC, what will be its anticodon? a) ACG b) TCG c) TGC d) AAT
biology
a) What type of bond is involved in complementary base pairing? -------------------------------------------------------- b) On what site of the large ribosomal subunit does the second tRNA attach during translation? ----------------------------------------...
biology
1) What is the complementary strand of the DNA sequence GCAAT? a) GGCTT b) CGTTA c) CGTAT d) GCUUA
science-biology
. Explain the biological logic of administering anti-Rh antibodies to Rh- mothers immediately after they give birth to an Rh+ baby?
biology
Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this variation might have on the functioning of enzymes in these organisms. Suggest some ways ectothermic organisms might cope with this problem.
Biology
Explain what happens during each of the three steps of cellular respiration and explain why a lack of oxygen is such a severe problem to the process.
Biology
Using the fundamentals of thermodynamics, explain why we must continue to eat in order to maintain homeostasis?
Biology
List and define the five characteristics that ALL living things share
biology!!
why do Mountain dwellers have higher averages of hemoglobin than people living in coastal areas?
science-biology
A family member recently found out her child's blood group was AB+ yet hers is O+. i'm suppose to explain this oddity but i don't know how? so please help me!!! thanks
science-biology
A family member recently found out her child's blood group was AB+ yet hers is O+. i'm suppose to explain this oddity but i don't know how? so please help me!!! thanks
Biology Expert needed
Here at Jiskha, we operate with volunteers to assist students. We are great need of a biologist or certified teacher in biology. If you are interested in this volunteer work, please indicated so at http://www.jiskha.com/contact/ thank you so much. Bob Pursley
biology
how many poeple prefer batteries than plugging a cable on the wall and why?
Biology Concepts
if tall (D) is dominant to dwarf (d0, and two homozygous varieties DD and dd are crossed, what kind of progeny will be produced?
biology
which of the following represents the F1 generation of a monohybrid cross of YY x yy parents? a)100%Yy b)75%Yy:25%YY c)25%Yy:75%yy d)100%yy
biology
a disease caused by a bb gene is said to be?
English
Thank you very much for your suggestion. What do you think of the book "Marine Biology: Function, Biodiversity, Ecology, by J.S. Levinton? Could you also suggest a book which could help us get to know the relevant English terminology?
Biology
Describe how the location of each part of the cellular respiration is diffrent in bacteria and in more complex cells?
Biology
Can you explain what the quality of the reverse transcriptase in the HIV virus has to do with the problem that there is still no vaccine against the HIV virus?
biology
divides the new plant cells in telophase
Biology
the covalent bond between the monomers of an enzyme macromolecules are peptide ester or phosphodiester bond question2 why urctic forx change coloring from brown in summer and white in winter . My answeers is = fox change phenotype but genotypes does not chane? am i right ?
BIOLOGY
Is eye color a discontinuous or continuous variation? Why is everyone saying that it's a discontinuous variation, when you obviously have a gradation of different colors around the world in the human population, and it's a polygenic trait determined by many genes! So ...
Biology please help anybody!
there's this a level question in a ten-year series book in 2008, the question asks what is the sequence in which it occurs: 1. polyadenylation 2. removal of introns 3. splicing exons 4. capping And the options given are: a) 1,3,2,4 b) 2,4,1,3 c) 3,1,4,2 d) 4,2,3,1 I've...
Biology
If an RR genotype is crossed with a Rr genotype, which color flowers would the offspring least likely have? a.) red b.)white I think it would be white, but I'm not sure...
Biology
In order to predict the percentage of males and females three assumptions must be considered: 1. The X carrying sperm and Y carrying sperm have an equal chance of fetilization: 2. The egg and sperm combine at random: 3. the XX and XY zygotes have equal chance of development at...
Biology
The gene for color blindness in humans is found on the X chromosome. A boy has a color-blind father. Will the boy be color blind? Explain.
biology
19. How does polygenic inheritance differ from Mendelian inheritance?
Biology
describe the following processes in the plant life cycle and why they are important for the plant to complete, listing all of the plant hormones involved and describing their functions: 1) elongation of the plant shoot. 2) the process by which seeds orient themselves. 3) ...
Biology
A relationship in which a single celled organisms live within the cells of another organism is called what?
Biology-Is my answer correct
Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the ...
Biology
Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis of the ...
Biology
What is the maximum number of different blood types the children of a man with blood type A and a woman with blood type B could have? A. One B.Two C.Three D.Four I think it's D, but I'm not sure. Help would be appreciated.
Biology 11
the genotype of the hybrids of two pure-breeding pea plants that each have white flowers and round seeds (both traits dominant) would be?
Biology
In regard to the kidney, Why is everything dumped into the tubule? Why not dump only wastes and toxins like insects?
Biology
Please help, anyone! There's 3 types of gene mutation: substitution, deletion, and insertion, right? So what are '2 kinds of gene mutation that causes the protein to be not formed'?? I mean, gene mutations may cause non functional proteins, but that's not the ...
Biology
Is urine normally found in bladder of fetal pig? Why or why not?
Biology
Please help: In glycolysis followed by either lactic acid or alcoholic fermentation produce _____ ATP molecules, while cellular respiration using oxygen produces ____ ATP. 1) 2,8 2) 4,2 3) 2,4 4) 2,38 Thanks a million!
Biology
Each phenotype can only be represented by a single genotype. True or False? Help would be appreciated, thanks in advance!
Biology
what are the radiometric dates of: Homo sapiens, stone tools, sabre toothed cat, wolly mammoth, apes, whales, horses, dinosaursflowering plants, birds, earthworms, reptiles, spiders, sharks, amphibians, land plants, jawless fish, jellyfish bacteria and photosynthetic organisms?
biology
during translation, the amino acid detaches from the transfer RNA attaches to the end of a growing protein chain when?
science - biology
What is the health advantage that can result in sickle cell hemoglobin?
Biology
When dissecting a fetal pig, how can you tell the difference between veins and arteries? I remember someone saying something about if you poke one, its spongier or something? help! Thank you!
biology
Please help to write a assignment on the topic Biotechnological applications in agriculture and medicine .how to write it?
biology
another way to afect the enzyme is lowering the pH of the solution. However, lactase is supposed to be able to work in the stomack. Would lowering the pH of the enzyme solution affect the enzyme? Why or why not?
biology
The causes of cancer may include which of the following? A. environmental influences B. UV radiation C. viruses D. all of the above
English
I forgot to add these few more things. They are really urgent. Thank you. 1) I told my collegues about the possibility of carrying out a Comenius project on how to write the screenplay and shoot (make) a film. 2) As a matter of fact, they would rather be involved in a project ...
Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>> Post a New Question | Current Questions
Homework Help: Science
For Further Reading
|
