Friday
May 6, 2016

Homework Help: Science: Biology

Recent Homework Questions About Biology

SCIENCE
jamal's neighbor tells him that there are more bacterial cells than human cells in his body. which of these is the best reason that jamal should question his neighbors statement? a. jamal is older than his neighbor b. jamal does not like his neighbor very much. c. his ...
Sunday, February 28, 2016 by John Doswell

Science Help
jamal's neighbor tells him that there are more bacterial cells than human cells in his body. which of these is the best reason that jamal should question his neighbors statement? a. jamal is older than his neighbor b. jamal does not like his neighbor very much. c. his ...
Sunday, February 28, 2016 by John Doswell

BIOLOGY - HELP URGENT!!!!
How do the following terms relate to one another with respect to a single genetic locus? - Wild Type Allele(s) - Mutant Allele(s) - Gene Product(s) - Population - Genotype - Phenotype - Dominant Allele - Recessive Allele - Individual - Number of different alleles
Sunday, February 28, 2016 by Craig

Very quick question biology
I'm working on a biology project where I must make a molecule of glucose. I have finished my molecule but I want something in the middle of it which is the "centrepiece ". Can anyone give me any ideas of some things glucose is found in (food) in which I could ...
Sunday, February 28, 2016 by Nicki

Science
1. How does nanotechnology how engineers make products for the future? A. By changing a materials atomic structure, it can be made from elements that are easier to obtain. B. By changing a materials atomic structure, it's physical properties can also be changed. C. By ...
Saturday, February 27, 2016 by Rhyleigh

biology
A positive control group contains the dependent variable under study. true or false i guess it's true
Saturday, February 27, 2016 by Anonymous

Biology please assist
1. Where is pH found? 2.what is the function of pH? 3.what principle guides the phenomenon of pH? 4.what is acid rain ?how is it related to pH values?
Saturday, February 27, 2016 by Sarah

Biology
Draw map of nigeria and indicate the local biomes in the different state
Saturday, February 27, 2016 by Lee Mitchell

biology
In which part of the body are the crypts of Lieberkuhn?
Friday, February 26, 2016 by matty

Biology - Please check?
How does artificial selection differ from natural selection? (Free response) Here is what I wrote: While both of these selections have to do with breeding, artificial selection (same as selective breeding) is where either plants or animals are intentionally bred for scientific...
Wednesday, February 24, 2016 by SkatingDJ

Biology
1.) Prophage occurs when a.) It bonds with carbohydrates to create a virus b.) Bacteriophage DNA embeds itself in host DNA c.) It detaches from carbohydrates to create a virus. d.) Bacteriophage DNA detatches itself from host DNA. D.
Monday, February 22, 2016 by Help!

science/biology (cladogram)
How would a scientist use DNA or protein sequences from three different organisms to construct a cladogram? don't understand this how do I write this???? help!!!!
Monday, February 22, 2016 by e,mma

Biology
MEIOSIS 1)name the process unique to meiosis that occurs during bivalent formation that may increase genetic diversity? 2)how are sister chromatic made and what is the structure that holds them together? 3)what do we call package of genetic information (DNA), encoding a ...
Monday, February 22, 2016 by sk

Biology
How do mutations that alter the nucleotide sequence of a promoter influence the original function of that promoter and thus the entire cell? (Try to name all the biological consequences of possible mutations in the promoter.)
Sunday, February 21, 2016 by Ian

Biology help!!
what compounds (fats, starch, protein and simple sugar) do the following foods have? Oatmeal Margarine Salmon Whole milk Chocolate chip cookies Peach
Sunday, February 21, 2016 by Anonymous

Study Guide
Does anyone know where I could find an online or PDF version of the Holt Biology 2004 study guide?
Sunday, February 21, 2016 by Victoria

Biology
what compounds (fats, starch, protein and simple sugar) do the following foods have? Oatmeal Margarine Salmon Whole milk Chocolate chip cookies Peach
Saturday, February 20, 2016 by Mary

Biology
what compounds (fats, starch, protein and simple sugar) do the following foods have? Oatmeal Margarine Salmon Whole milk Chocolate chip cookies Peach
Friday, February 19, 2016 by Mary

Biology
In what way are bacteria and fungi similar? Ecological function Cell wall components Design of the nucleus Ribosome structure help
Friday, February 19, 2016 by kristina

Biology
bond that holds atoms together in a molecule are... A.radiation energy B. kinetic energy C. thermal energy D. potential energy
Thursday, February 18, 2016 by sharon

Biology
which nucleic acid statement is true? A. mRNA codes for DNA B. mRNA codes for protein C. tRNA makes amino acids D. tRNA makes lipids I think B
Thursday, February 18, 2016 by sharon

biology
Pepsin is... A. enzyme B. lipid C. carbohydrate D. nucleic acid I think A!
Wednesday, February 17, 2016 by sharon

Biology
key factor driving cellular differentiation in the body? A. rate of transcription B. cell nutrience C. expression of genetic coding D. chemical gradients in a cell environment I think A
Wednesday, February 17, 2016 by sharon

Biology
DNA can copy itself easier than RNA because? A. its a double helix B. polymer of nucleotide C. its confined to nucleus D.its supported by histone proteins I have no idea
Wednesday, February 17, 2016 by sharon

Enriched science
What is the goal of synthetic biology? A. The goal of synthetic biology is to mimic living cells B. The goal of Synthetic biology is to generate new tissues to replace damage tissues C. The goal of synthetic biology is to engineer living cells to perform specific functions D. ...
Wednesday, February 17, 2016 by Rhyleigh

Biology
Which nucleic acid statement is true A. mRNA codes for DNA B. mRNA codes for proteins C. tRNA makes amino acids D. tRNA makes lipids I think B
Wednesday, February 17, 2016 by sharon

Science
I'm really bad at Biology and Science in general. Chemistry and Physics will be difficult for me because I'm not good at the Science branch even though I study and work hard for Science/Biology. What can I do to improve?
Monday, February 15, 2016 by Anonymous

Directions help (Biology)
I have to do a research paper for my biology class, and I'm having a hard time understanding what to exactly write about. The directions are written way different then how my teacher has ever addressed anything, I emailed her for clarification but it doesn't seem like ...
Monday, February 15, 2016 by Melody

biology
What kind of molecule forms the sodium-potassium pump? Genuinely in need of the answer to the question.
Monday, February 15, 2016 by Anonymous

biology
How is molecular weight related to the size of a molecule? Genuinely in need of the answer to the following question. Thank you.
Monday, February 15, 2016 by Anonymous

Biology (Animal)
How is molecular weight related to the size of a molecule?
Monday, February 15, 2016 by Anonymous

Math,english,further math,government,CRS,lit in english,yoruba,civic,agric,biology
The fourth and sixth term of an arithmetic progession are -4 and -10 respectively. Find A.the common difference B.the first term C.sum of the first twelve terms
Friday, February 12, 2016 by Comfort

Biology
How are the following terms related to the process of transcription and one another? Eukaryotes, Prokaryotes, membrane-bound nucleus, introns, exons, precursor RNA (pre-mRNA), mature RNA, heterochromatin, euchromatin, and structural gene.
Friday, February 12, 2016 by Henry

Biology ASAP
What is the scientific name ( genus and species level) of star fish, jelly fish, silk spider, mouse, and earth worm
Thursday, February 11, 2016 by Natasha

biology
Picture true of false The atom shown in the diagram has 4 energy levels or shells. 2. The atom shown in the diagram above has a total of 5 electron orbitals. 3. Each energy level consists of 2 or more orbitals. 4. The second energy level consists of 4 electron orbitals. 5. ...
Thursday, February 11, 2016 by Anonymous

biology
The atom shown in the diagram has 4 energy levels or shells. true or false
Thursday, February 11, 2016 by Anonymous

Biology
How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ...
Wednesday, February 10, 2016 by Kylie

Biology
Which is an example of a population? all the squirrels in North America and Europe all the species of organisms in one state all the rose bushes around the world all the sugar maple trees in a state park
Wednesday, February 10, 2016 by Hailey

Biology /science
How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ...
Wednesday, February 10, 2016 by Kylie

Biology
How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid water 6. Water has a ...
Tuesday, February 9, 2016 by Kylie

Earth Science
What are the two most common minerals located in Earth's crust? (A. Feldspar and quartz) B. Iron and copper C. Diamonds and gold D. Salt and saline Climatology is a subspecialty of A. environmental science. B. oceanography. (C. meteorology.) D. marine biology.
Tuesday, February 9, 2016 by Jocelynn

Biology
Two techniques which can help in early detection of bacteria or virus infection much before the symptoms appear in the body?
Tuesday, February 9, 2016 by Ri

Biology
Name an organ which is formed of tissues of two different individuals.
Tuesday, February 9, 2016 by Ri

Biology
Name of the vaccine which is obtained from transgenic yeast . Searched it but cant find it... Plx help !
Tuesday, February 9, 2016 by Ri

Biology
Use your understanding of natural selection to describe how the following trait might have evolved: Plants have pores on the surfaces of their leaves that allow carbon dioxide into the leaf (for photosynthesis), but also allow water to escape. Land plants have guard cells ...
Monday, February 8, 2016 by Lyndsay

Biology
Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of the statement ? P.S I dont have the"Modern Biology" Book ... so plz help me with the note!
Monday, February 8, 2016 by Ri

Biology
In the question section of my chapter "Strategies for Enhancement of Food Production" i got d question "What is Quarantine? Give one example of it." I found the what is the quarantine part but didnt get examples... Not even in my book. Plz help !
Sunday, February 7, 2016 by R

Biology
Mammals and birds have evolved from reptiles. In what way does a comparative study of their embryology establish the validity of the statement ?
Sunday, February 7, 2016 by Ri

biology
If we put few ml.of hydrochloric acid on a piece of the skeleton of a shell
Sunday, February 7, 2016 by Ishu

biology
Explain the processes that take place in the stroma including the reactants going in and the products produced from these processes in (a) bright sunlight and in (b) darkness. (c) What happens over an extended period of darkness of many days? I need HELP FAST
Friday, February 5, 2016 by blah

Ap Biology
Unprotected skin cells mutate at a rate of 20% when exposed to 10 rads of UV radiation. A group of scientists tested whether Sun Screen X will decrease the mutation rate. 1100 cells were tested, exposed and counted. Only 200 cells had mutated, 900 cells remained unchanged. ...
Thursday, February 4, 2016 by Gentics problem

Social Studies
In what way is geography an integrative science? a. Geography is an integrative science because it examines Earth in both physical and human terms.*** b. Geography is an integrative science because it borrows from physical sciences such as chemistry, biology, meterology, and ...
Thursday, February 4, 2016 by Kaai97

Biology
Which parts of Lamarck's theory of evolution are no longer supported today? Choose two of the following. - Organisms change over time - Traits acquired during an organism's lifetime can be passed down to its offspring - War, famine, and disease help keep population ...
Wednesday, February 3, 2016 by SkatingDJ

Biology
1.) Do you think evolution is still taking place in the Galapagos finches? Why or why not? According to what I’ve learned yes evolution is still taking place in the Galapagos finches. Isolation and gene mutations cause species to evolve into different things. This could ...
Tuesday, February 2, 2016 by Do my answers seem right?

Biology
Wine is made by mixing yeast with grapes and allowing the yeast cells to undergo fermentation. Sparkling wine is a type of wine that contains high levels of dissolved carbon dioxide. What is the source of the carbon atoms in the carbon dioxide found in sparkling wine? ethanol ...
Monday, February 1, 2016 by Steve

Biology
What would most likely happen to cells placed in fresh water? a- water would flow out because they are hypotonic to the external environment b- water would flow into them because they are hypotonic to the external environment c- water would flow out of them because they are ...
Monday, February 1, 2016 by Steve

biology
1.Why do Bacteria and yeast synthesize fatty acids with more cis-double bonds when surrounding temperature drops? 2.Despite fluidity of bilayer, why do liposomes not fuse spontaneously with one another?
Saturday, January 30, 2016 by Alice

English
Which of the following sentences best reflects chronological order? a. George Washington Carver became known for his research on plant biology. b. He attended Simpson College from 1890, and enrolled in Iowa State Agricultural College the following year.*** c. Carver discovered...
Wednesday, January 27, 2016 by Kaai97

Biology
What is an ecological footprint and why does Nothern Americans have such large ecological footprints?
Wednesday, January 27, 2016 by Elizabeth

Biology
What causes acid precipitation, and what are the negative effects of acid precipitation?
Wednesday, January 27, 2016 by Elizabeth

Biology
What's an ecological niche?
Wednesday, January 27, 2016 by Elizabeth

Biology
Define and give examples of predation, competition, and symbiosis.
Wednesday, January 27, 2016 by Elizabeth

Biology
What is the difference between endangered and extirpated?
Wednesday, January 27, 2016 by Elizabeth

Biology
What is the difference between tolerance range and optimum range in Biology?
Wednesday, January 27, 2016 by Elizabeth

Biology
What is an invasive specie, and what are some negative effects of an invasive species?
Wednesday, January 27, 2016 by Elizabeth

Biology
What is pesticide resistance? Why is it that biological control is a good solution to the problem of pesticide resistance?
Wednesday, January 27, 2016 by Elizabeth

Biology
What's the difference between Bio accumulation and Bio amplification?
Wednesday, January 27, 2016 by Elizabeth

Biology
How does Nutrients get affected from surface runoff in Biology? If in detail, you could explain what exactly is Surface Runoff, and what causes it, that'd be of great help !
Wednesday, January 27, 2016 by Elizabeth

Re:BIOLOGY
Whats the relation between Photosynthesis and Cellular Respiration? Is it, because they have complimentary proccesses?
Wednesday, January 27, 2016 by Elizabeth

biology
which occurs during the krebs cycle? 1) breaking down pyruviate 2) capturing light energy 3) creating glucose molecules 4) producing ethyl alcohol ?
Wednesday, January 27, 2016 by jill

Biology
How do natural ecosystems have more biodiversity?
Wednesday, January 27, 2016 by Elizabeth

Biology
What cellular mechanisms causes short term changes in gene expression
Tuesday, January 26, 2016 by Anonymous

Biology
For your cell explain how gene expression related to the cell's ability to perform its function in the body
Tuesday, January 26, 2016 by Anonymous

Biology
Explain why some proteins are made by nearly all cells and give two examples I put they are needed for basic cell life but I don't know what two examples to put
Tuesday, January 26, 2016 by Anonymous

Biology
How did you model crossing over using your chromosomes?
Monday, January 25, 2016 by Anonymous

Biology
I just want to know how to improve on Biology. I know most people will say to study but even when I study for this class, I still can't do as well as I want to. Any tips?
Monday, January 25, 2016 by Anonymous

Mathematics,Science(physics,chemistry and biology)
Two similarly charged identical ping pong balls are suspended from the common support with the help of two threads.Calculate angle between the two threads and also calculate the tension in two strings.
Monday, January 25, 2016 by Shhd

Biology
Describe how you would prepare 100ml of a solution that is 22% acetic acid by volume?
Sunday, January 24, 2016 by Michel

math
In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also,4 of them offer physics and chemistry but not biology,3 offer physic and biology but not chemistry,6 offer biology and chemistry but not physics if 13 of them offer physics only how...
Sunday, January 24, 2016 by dapo

Math
Out of 300 student in final year in senior secondary school, 200 are offering biology and the150 offering chemistry how many are offering neither biology nor chemistry
Sunday, January 24, 2016 by Emmanuel

Sta 112
This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...
Saturday, January 23, 2016 by Anonymous

World History check my answers
Please check my answers. I put a star* by the one i chose. 1. What innovation is Henry Ford credited with pioneering? a. Combustion engines b. Assembly line* c. Increasing workers’ pay 2. Identify one of the troubles the Coolidge administration faced with dealing with ...
Monday, January 18, 2016 by Cat

Biology
If a cell has 8 duplicated (double stranded) chromosomes during metaphase of mitosis, how many chromosomes would the cell have at the end of anaphase?
Monday, January 18, 2016 by Jodi

Pure Maths, Biology , Business ,CAT
What can I study in university with these subjects?
Friday, January 15, 2016 by Sihle

biology
A tall pea plants bearing violet flowers is crossed withshort pea plants bearing white flowers .work out the f1 &f2 generations.give f2 ratio
Friday, January 15, 2016 by thanvi

Biology
Where the CD8 receptor is located: On Ts cells or Tc cells or both of them.
Thursday, January 14, 2016 by Asmaa khalaf

biology
What is the different between theory of plate tectonics, continental, drift, and sea- floor spreading?
Wednesday, January 13, 2016 by nerd1234

Are there any Biology teachers that could help me?
Are there any Biology teachers that could check my answers for me?
Tuesday, January 12, 2016 by Victoria

Biology
Which of the following is true for the nucleus? A) It has no definite structure B) It is surrounded by membrane C) It is the eukaryotic cell's energy-producing organelle D) It is closely associated with the Golgi apparatus. E) It is always bluish purple in colour
Monday, January 11, 2016 by S

Biology
How do you determine how the age of a specimen where there is only 1/2 of the original Carbon14 isotope left? What if 1/2 of the original isotope was left? I cannot show my work because I do not know how to figure this out.
Sunday, January 10, 2016 by Diane

Biology
Two purple flowers (Bb) are bred with each other in the same garden. What are the odds that red (BB) and blue (bb) flowers will occur in the second generation? A. 50% red flowers; 50% blue flowers B. 25% red flowers; 75% blue flowers C. 75% red flowers; 25% blue flowers D. 25...
Friday, January 8, 2016 by SkatingDJ

Biology
Which of the following structures is derived from the embryonic prosencephalon (forebrain)?
Thursday, January 7, 2016 by Dwarkesh

Biology
How do genes determine the traist of an organism explain in details
Wednesday, January 6, 2016 by Anonymous

biology
Looking through a microscope,I saw a Eukaryotic cell. How could I conclude if the cell is a plant or animal cell?
Wednesday, January 6, 2016 by aisha

Biology/Chemistry
Does anybody know how much 1 mole of acid should be diluted in order to mimic the pH of acid rain? I also need sources, but haven't been successful in any of my searches so far, thanks.
Wednesday, January 6, 2016 by Alice

biology help please :)
Olga's teacher asked her to design an experiment using freshwater plants, fish bowls, tap water, and salt. After determining an approach, Olga placed a plant in each of three fish bowls. Then, she filled one bowl with fresh water, one bowl with dilute salt water, and one ...
Wednesday, January 6, 2016 by basketball&batman

Science:Biology
What are some unusual characteristics of food webs in agroecosystems?
Tuesday, January 5, 2016 by Christine

7th grade math
A biology class has 28 students. Four of the students transferred out to take chemistry. Find the percent of change in the number of students in the biology class. I got 86 percent change is that right? Thank you...My mom says it's 14.3 %
Tuesday, January 5, 2016 by Peggy

Biology
The street lights in many cities contain bulbs with sodium vapor. When electrical energy is pass through the bulb, a brilliant yellow light is given off. What is happening to the sodium atoms to cause this? Explain. How would magnesium and chlorine interact? Please help. Thank...
Tuesday, January 5, 2016 by Jamie

Biology
When inserting a gene, a gene for antibiotic resistance were also added to the plasmid. Why is this done?
Tuesday, January 5, 2016 by Rose

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Homework Help: Science