science, biology

40,352 results, page 85

moral science

unscramble ineisfsirdne

science

How many protons are in the isotope Oxygen-20?

science

how do we make Static Change?

Science

thermal energy is cause by the motion of ?

Science

How are fossil fuels formed

Science

How do people benefit from coastline?

science

how many cells in the human body?

Science

Insert six G.M's between 8/27 and -81/16

biology

Which of the following would NOT likely have occurred without the evolution of photosynthetic organisms? A. Life would be much less diverse. B. Most organisms would have gone extinct due to the increase in oxygen. C. Mitochondria-containing cells would not have evolved. D. ...

cell biology

The production of cAMP directly regulated by two enzyme, ___________ and_______. This former is ___________ a protein, when latter is a _________ protein. a. phospodiesterase (PED),Adenylyl ccyclase(AC), cytosolic, peripheral. b. PDE, AC, peripheral, cytosolic C.Adenylyl ...

biology

Color blindness is a defect in vision of colors, this defect is due to a localize-homologous segment of chromosome X. In the document I have a pedigree which the parents and their children are normal; but then most of the children got married to a diseased one which 50% ...

science

Hello! I need help with some Science things. 1. Where is a good place to find a picture that describes radioactive decay, fussion and fission/ 4. Scientists use the amount of radioactive isotopes found in rocks and fossils to calculate their ages. This process is called_____ 5...

Biology

Following my previous question: jiskha/display.cgi?id=1200944514 use the Galapagos Islands as an example try to produce an action plan of at least 5 points that could reduce the risk of manmade extinctions occurring in vulnerable habitats. Give a brief explanation of each ...

biology

A researcher wanted to know how many fish were in a dam.He caught 20 fish and marked them by clipping out a small section of their tail fins.He then released them back into dam.A few days later he caught 25 fish and found that 8 had been marked 1.estimate the total number of ...

Biology

One family of mammals includes true horses (Equus), zebras (Hippotrigris and Dolichohippus), and donkeys and asses (Asinus). Zebroids are hybrid offspring of wild zebras and domesticated horses that were confined to the same pasture. The unnatural confinement breached the ...

Biology

Please answere these questions: identify each statement as observation, hypothesis, or prediction and then tell if it is inductive or deductive Male Red-winged Blackbirds display red wing patches to signal superiority to other males A male Red-winged Blackbird displays his red...

human biology

A 56 year old obese male is rushed to the ER via ambulance. The EMS team reports he was found non- responsive and in shock. Additionally, they note he has a stiff rigid abdomen and can feel a large lump near the midline. Upon questioning, his wife explained that her husband ...

Advanced Biology

Hi could you help me with this problem as well? The alleles for red and white coat color in cattle show absence of dominance, the heterozygote being roan. A.In a freely breeding herd of 1000 head how many would you expect to be of each coat color if the allele for white coat ...

personal statement

this is my personal statement. please check my grammar and what other stuff i can add or remove? thanks Ever since I was a little kid and till a year ago, I really didn’t know what I wanted to be in life. I imagined myself to be a teacher when I was 8 years old. As I grew ...

biology

In some dogs, long hair (L) is dominat over short hair (l), and wavy hair (W) is dominant over straight hair(w). Draw a cross between a dog that is homozygous for long hair and straight hair with a dog that is homozygous for short hair and wavy hair. What would the genotype ...

Biology!

Inorganic fertiliser is applied each year to fields bordering a lake. the fertiliser runs off into the lake and causes six changes which altogether make the fish die. 1. aerobic bacteria feed on dead plants 2. algae reproduce faster 3. light cannot penetrate water 4. oxygen ...

Science - Please Check This Answer

My problem is: When Christy takes her pet dog for a walk, the dog walks at a very consistent pace of 0.45 m/s. There are 20.1 m between the front of Christy’s house to the nearest dog park. How far will Christy’s dog have walked toward the park after 25 s? My answer is: ...

4th grade science

my science teacher showed us a diagram of a tiny light bulb on top of a D-cell battery,there was an electric wire touching the bottom of the light bulb.the electric wire was touching the bottom of the light bulb to the bottom of the battery.BUT, the other end of the electric ...

science I NEED HELP....WORTH 45%OF MY GRADE

wat is blasstoff like???? earth's orbit???????? wat do they do to stay healthy???? wat type of exercise do they do????? effect on weightlessness?????? atmosphere of the moon???? lunar soil and craters???? transportation on the moon???????? science experiments??????? reentry ...

BIOLOGY

The springtail is a very common small insect that lives in rotten logs, rich soil, and other humid places. Its cuticle is water repelling (hydrophobic) except for a strange organ, the collophore, on its ventral side. Because it lacks the excretory organs of other insects, the ...

Biology

You are given the following protein sequence: NH2-Met-Trp-Trp-Met-Trp-Met-COOH What was the sequence of the mRNA? You must write your answer 5' to 3' direction, starting with the first nucleotide of the mRNA and ending with the last nucleotide of the mRNA. DO NOT INCLUDE "5...

biology 12

is there chromosome replication in mitosis? i know theres one in meiosis, im just not sure for mitosis. Yes See: http://www.uic.edu/classes/bios/bios100/lecturesf04am/lect16.htm and scroll down to: Mitosis in a Nutshell

Biology

Orange color in non-pedigreed cats is controlled by the O locus. The non-orange phenotype, if not diluted, appears as black coat color. Perform the following reciprocal crosses: Orange blotched female X black blotched male Black blotched female X orange blotched male What ...

biology

In an investigation to find the number of african potato plants in a field of area 6 000m^2 three plots were selected.each with an area of 10^2.Pot 1 contained three and the other plots contained seven and two african potato plans,respectively. 1.name two advantages of ...

science

What are the consequences of avoiding stress management? Consider all six dimensions of wellness. Here are some results I have come up with? Is there more? Science and medical studies have substantiated that we can avoid the detrimental outcomes of unmanaged stress. Being ...

Biology

8. Where is RNA formed? 9. Write out the pairings from DNA to RNA. 10. Where is RNA formed? To where does it travel? 11. What is the difference between mRNA and tRNA? 12. What are three bases of mRNA called? At what organelle are they read? 13. What is the purpose for mRNA? ...

Math

Dominic collects sports science fiction and history books. He has 21 books about sports, 35 books about science fiction, and 14 about history. He wants the same number of each type of book on each shelf. What is the greatest number of each type of book on each shelf?

Biology

A population of animals has a dominant allele for dark-colored fur and a recessive allele for light-colored fur. If the population of animals is 100 and 12 members of the population have the light-colored fur, about what percentage of the population is heterozygous? What ...

Biology

Typically we talk about blood types as B-positive or AB-negative and so forth. The positive and negative part of the blood type is determined by a completely separate gene (the Rh locus). The ABO locus and the Rh locus are inherited independently, like pea shape and pea color...

AED

CheckPoint: Multiple Intelligence Theory • Due Date: Day 4 [Individual] forum • Choose a topic (such as history or science) that you feel is relevant to the age group you work with or expect to work with. • Describe in 200 to 300 words how you can assess knowledge on ...

Biology

|Question| Living organisms are composed of millions of organic compounds, each having a unique structure. What element is responsible for this huge diversity of molecules? Describe the diversity of structures that can be formed and the properties of this element that allow ...

AED

this one is hard to me cause I do not know.... Even one of my co worers had a hard time too.. “how students learn science is just as important as what they learn. In the teaching of science, a major objective is to develop students’ problemsolving capabilities. To do this...

Biology Diffusion

This is what i read from wikipedia: "Dialysis tubing is not permeable to glucose." Is that true? Visking tubing (Dialysis tubing) DOES allow glucose molecules to pass through it right?? So what types of molecules can pass through visking tubing? Can someone tell me which of ...

the most dangerous game by richard connell reading

i did all the question except for these 3 characterization chart w/ 5 textually supported inferences specific to protagonist and 5 textually supported inferences specific to the antagonist. static/flat character with text support of intended stereotype paragraph form dynamic/ ...

English

Are the "Notes on Punctuation" by Lewis Thomas actually about punctuation? We were asked to "close read" it and I'm sure the author had other messages to get out other than punctuation. I looked Lewis Thomas up on google and found that he was quite into biology. Can anyone ...

biology plz help

Holly knows from talking with Renee that genes control traits and are determined by the sequence of nucleotides. When that sequence of nucleotides is altered for some reason during DNA replication, it can lead to the gene being expressed in a different way or to a genetic ...

Biology

Hi Im just wondering what are the similarites and differences between gas exchange and cellular respiration ? similarities: Both are involved in energy production. Gas x supplies o2 to the mito which creates usable energy for the body. differences; cellular occurs inside cells...

Biology

To take the energy from an exergonic reaction and use it to power an endergonic reaction, a cell can: create the energy for the endergonic reaction to occur. Why is this false? I thought a exergonic reaction create energy for the endergonic reaction to occur?

Biology I

Charles Darwin- Evolution? 2) Where does variation occur within an organism that causes evolution? 5) What is the main source of evidence for evolution? 6) What was the occupation that Darwin was originally studying for? 8) What did Darwin believe about species before he went ...

Physical Science

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to describe the motion of an...

Physical Science

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to describe the motion of an...

biology

Could someone please check this definition and tell me if it's good or if it's too much (whatever) Variation=the existence of differences between the individuals in a population. It can be described as continuous or discrete. Examples of discrete variation are gender and eye ...

biology

Could someone please check this definition and tell me if it's good or if it's too much (whatever) Variation=the existence of differences between the individuals in a population. It can be described as continuous or discrete. Examples of discrete variation are gender and eye ...

Biology

A drop of two dyes, A and B were placed on the surface of gelatin in two test tubes. After 24 hours dye A and B had traveled 2.7 and 1.8 cm below the surface of the gel in their respective tubes. Calculate the diffusion rates. Why dye has a larger molecular weight and why? To ...

Biology

All Crayolians have ten hands with two fingers on each hand. In addition, all the fingers on each Crayolian are the same color, either red, white or pink. A pink-handed Crayolian mates with a white-handed Crayolian. Their offspring are 50% pink handed and 50% white handed. ...

Biology

A farmer grew only one type of onion. All of the onion plants died from the same disease. What can be said of this onion plant population. A. Only few plants were resistant to the disease B. All of the onion plants were resistant to the disease. C. The onion plants were ...

Biology 100

Choose one theory spontaneous generation theory or cell theory. Select one statement that corresponds to the theory you want to refute or suppot. I choose cell theory and the one statement that I choose is all living things are made up of cells. Provide evidence for or against...

Biology

I have to draw a labelled diagram to show the chromatids of a diploid cell at the end of anaphase I of meiosis for a person who is heterozygous for both characters. (both characters being Huntingdon disease(H) on the short arm and red hair gene(R) on the long arm.) I know that...

Biology

What would you excrete in higher amounts in the cold weather? Many say water because water is retained in your body since sweating doesn't occur in the cold. However it is also known that metabolism is higher in the cold weather and hence more salts would be taken. What would ...

biology

1 mole of an element or compound contains 6.20 times 10 to the 23rd power atoms or molecules of the element or compound. 1 mole of an element or compound has a mass equal to its mass number (or molecular weight) in grams. For example, 1 mol of hydrogen gas (H2) contain 6.02 ...

Biology

7) The dumping of large amounts of raw sewage into rivers or lakes typically leads to massive fish kills, although sewage itself is not toxic to fish. Similar fish kills also occur in shallow lakes that become covered in ice during the winter. What kills the fish? How might ...

Help Please - Science

I'm stuck on this thing in science. It's a lab report so its kinda hard to explain. We did a topographic map experiment. We had a big rock, and put it in a plastic bin. We then marked centimeters on the bin and filled water to the first centimeter. We drew the water line on an...

biology

are the people with diabetes I normally skinny? because their body is unable to produce insulin, they must turn to other sources of energy like stored fat? http://www.associatedcontent.com/article/11204/juvenile_diabetes_type_one_diabetes.html Read the above site. Bear in mind...

earth science...help

for this question: Put the folloing words together in a few sentence to explain their meaning and relationship to one another: seismic waves, seismograms, seismoghaps, and seismologists. is this answer suitable: Seismic wave is an elastic shock wave that travels through the ...

biology

In guinea pigs, the allele for a rough coat (R) is dominant over the allele for a smooth coat (r). A heterozygous guinae pig (Rr) and a homozygous recessive guinea pig (rr) have a total of nine offspring. The punnett square for this cross shows a 50 percent chance that any ...

Biology

17.Which one of the following statements is true regarding voluntary and involuntary responses? A.Voluntary responses control the activity of glands. B.Involuntary responses are part of the autonomic system. C.Voluntary responses originate in the sensory receptors. D....

Science

As an environmental science teacher, how would you respond to someone who tells you (a) that he or she does not believe in biological evolution because it is “just a theory, “ and (b) we should not worry about air pollution because through natural selection, the human ...

biology

Incomplete/Codominance Problem In snapdragons the dominant allele "R" produces red flowers and its recessive form, "r" produces white flowers. Normally what would you expect for the F1 genotype and phenotype ratios if a homozygous red flower and a homozygous white flower are ...

biology

can anyone help please??? im asked to explain the meaning of glycosidic C1 - C4 Linkage. Im not 100% clear on it!! Any ideas?? Thanks C1 is the carbon on one molecule, C4 is a carbon on another molecule, Since C1 and C4 or on opposite ends of the glucose molecule, this is ...

BIOLOGY

1.Three fatty acids form a triglyceride with one glycerol. What similarities would the fatty acids have with polysaccharides? What differences? 2. When you consume more food than you require, the mitochondria in the liver are involved n forming triglycerides from the excess. ...

science

CheckPoint: Terrestrial Resource Plan · Resources: Ch. 12-16 of Visualizing Environmental Science and Appendix F · Due Date: Day 5 [Individual forum] · Choose a terrestrial resource issue discussed in Ch. 12-16 of the text. · Post a 5- to 7-slide PowerPoint® presentation ...

Biology

Okay my question has to do with a pedigree shown in an illustration. Since I can't show the illustration I'll do my best to describe it: There's a mother and a father and they have 4 kids: 2 boys, 2 girls. Circles represent females and squares males. A darkened shape means the...

English

I am responding to this .. In my high school course in biology, we are required to dissect frogs. I think this is cruel and pointless. Whatever we learn about frog's anatomy can be learned from a book. My teacher says that I must dissect the frog. My response is.. I know some ...

Biology

A cell has a salt concentration of 0.2 %. If it is placed into a solution with a salt concentration of 0.1 %. a) What change will occur to the salt concentration inside the cell? b)What change will occur to the water concentration inside the cell? c)What condition will ...

Environmental Science

What steps do you think can be taken to reduce the harmful effects of human activities on biogeochemical cycles? Which businesses would these changes impact the most? Thank you for using the Jiskha Homework Help Forum. Here are some links on life and biogeochemical cycles. Use...

Physical Science [repost]

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to describe the motion of an...

Biology

On a microscope, what is the relationship between the magnification and the diameter of the field of view? The magnification and the diameter of the field are inversely proportional. The greater the magnification, the smaller the actual diameter of the field of view. eg. at 4x...

University Research-level Biology

Hello, this is an upper-level question, and I would sincerely appreciate help before Tuesday. I am reading a journal article, and there is one conclusion in it that I do not understand. It predicts a postsynaptic mechanism when EPSP amplitudes do not vary across trials, and a ...

Gr.11 Biology

In guinea pigs, black cot is dominant to albino. Rough coat us dominant to smooth coat. A black smooth guinea pig was mated with an albino rough guinea pig. Their offspring were black rough and black smooth. If these were the only produced over a period of years of matings, ...

science

How does mines affect our environment?

science

how are monerans and protists the same? how are they different?

Science- -ASAP!

d=m/v v=m*d m=d*v The triagle clockwise from top-m-v-d

science

No question was posted. Try again.

science

how do u find out the purity of sand

science

What food is a common ingredient of dynamite?

science

What is archaebacteria and eubacteria's nutrition and reproduction?

Science

Which of these statements regarding enzymes is FALSE?

Science

Where is the Jenolan Caves and how big is it and when was it formed?

Science

How do we write numbers in standard notation?

science

what is used for storing acids and bases?

science

what is the difference between molarity and molarlity

science

what is modification of plant explain with examples

science

unscramble the following word: staketrnemvei

science

what is something that has the same pH as milk of magnesia?

science

wat is the structural organisation of cell.

science

the diostance between two points

science

what are 3 possible ways in which a hypothesis may arise?

Science

Instrument used to find mass _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ ?

Science

What is the name of the "curve" in measuring liquids?

science

1. give a detail note on nucleus.

Environmental Science

What are renewable energy sources?

science

how do u convert tons into kilograms?

science

used for first focusing on a microscope

Science

What are 5 differences between Vertebrates and Invertabrates

science

what is an example of an unseen receiver of a force?

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