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December 18, 2014

Homework Help: Science: Biology

Recent Homework Questions About Biology

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biology
how does a dictionary illustrate a form of classification?
Thursday, September 13, 2012 at 5:47pm

science ( biology)
What are the various method a farmer should do to increase his land fertility by spending less money ???
Thursday, September 13, 2012 at 7:55am

biology
draw a graph of balloon diameter vs. temperature. what is the correlation?
Wednesday, September 12, 2012 at 11:08pm

biology
what is the mass in grams of 1.03 kg 1105g and 1075000mg
Wednesday, September 12, 2012 at 9:50pm

Biology
Describe the RNA world hypothesis, and discuss specific evidence that supports this scientific hypothesis. i know part of it is The RNA world hypothesis proposes that self replicating ribonucleic acid molecules were precursors to current life. but i dont know the evidence part.
Wednesday, September 12, 2012 at 4:44pm

AP Biology
1.Oparin and Haldane hypothesized that the Earth's early atmosphere was strongly (2 points) acidic. oxidizing. reducing. ~~ ionic. 2.The most significant outcome of the Miller and Urey experiments was that they (2 points) synthesized living cells from nonliving matter. ...
Wednesday, September 12, 2012 at 4:06pm

biology
Explain why a single base deletion could be potentially more damaging to protein synthesis than a deletion of three consecutive bases confined to one triplet
Tuesday, September 11, 2012 at 8:29pm

biology
One in every 685 children born in the chicoutimi area of quebec province has tyrosinemia. It is cause by having two copies of the receissive allele. Under the assumptions of Hardy-Weinberg equilibrium, calculate the value of q required to produce this proportion of afflicted ...
Tuesday, September 11, 2012 at 7:10pm

college biology
Describe some reasons why a patient might have abnormally low blood cholesterol.
Tuesday, September 11, 2012 at 5:14pm

college biology
Why LDL is considered the bad cholesterol and HDL the good cholesterol
Tuesday, September 11, 2012 at 5:13pm

biology
Do production of anti-A, anti-B, and anti-Rh antibodies require the exposure to antigens
Tuesday, September 11, 2012 at 4:54pm

biology
A gene for flower color can have multiple alleles like purple, white, or red.
Tuesday, September 11, 2012 at 1:55pm

biology
What is meant by the statement, "Living things do not exist in isolation"?
Tuesday, September 11, 2012 at 11:44am

Biology 111
what is the amino acids?
Tuesday, September 11, 2012 at 9:45am

Biology
A plant does not use potassium for a building material or energy source, but it stops doing photosynthesis and dies if it runs out of potassium. Why?
Tuesday, September 11, 2012 at 6:10am

Biology
A plant does not use potassium for a building material or energy source, but it stops doing photosynthesis and dies if it runs out of potassium. Why?
Tuesday, September 11, 2012 at 6:08am

Biology 1
Briefly describe the basic characterisitics that all living things on Earth have in common.
Monday, September 10, 2012 at 6:07pm

Biology
make a statement relating hydrogen ion concentration to the acidity and basicity of solutions
Monday, September 10, 2012 at 11:40am

Biology
If a solution A has 10,000 times as many H+ ions as solution B, what is the difference in pH units between the two solutions?
Monday, September 10, 2012 at 11:39am

biology
For each of the four major classes of organic compounds, identify the subunits. Describe the general process by which all of these subunits are joined together to form larger molecules.
Monday, September 10, 2012 at 10:24am

math
I have a math question for my cell biology class. A molecule exchanges places with its neighbor every 10^-7 seconds. It will diffuse from one end of a 2 micrometer cell to the other in 1second. Ok now I have a 6M x 6M room filled with 4cm ping pong balls. I have to determine ...
Sunday, September 9, 2012 at 5:40pm

College Biology
Calculate the concentration in Moles for a 5mgMgCl2 sample in 2L of solution. Then how many ions are in it?
Sunday, September 9, 2012 at 2:03pm

Biology
How many grams of NaCl do you need to make 150ml of a 0.8M stock solution?
Saturday, September 8, 2012 at 5:02pm

biology
what is burgess shale? what is the significance of this discovery to evolutionary biology
Saturday, September 8, 2012 at 3:53pm

biology
Which are more closely related... Ants and Bees or Flies and Beetles... Thanks! :)
Saturday, September 8, 2012 at 11:10am

Biology
How are radioisotopes used to make biochemical reactions?
Saturday, September 8, 2012 at 10:28am

Biology
characteristics of life
Friday, September 7, 2012 at 8:05pm

biology
A water molecule is held together by two single polar covalent bonds true or false?
Thursday, September 6, 2012 at 2:24pm

College Biology help!
Is this true? Explain. To make a 100 osmolar solution of magnesium chloride, 60g of the salt are placed in a liter of water.
Wednesday, September 5, 2012 at 12:43am

Biology
Produce a self portrait showing you carrying out the characteristics of life. Could you explain what exactly is expected of me.
Tuesday, September 4, 2012 at 2:37pm

biology
what units are typically used to measure volume?
Tuesday, September 4, 2012 at 9:50am

AP Biology
Damaraland mole-rats are relatives of naked mole-rats. In their clans, too nonbreeding individuals of both sexes cooperatively assist one breeding par. Even so, breeding individuals in wild Damaraland mole-rat colonies usually are unrelated, and few suboordianes move up in the...
Monday, September 3, 2012 at 8:57pm

Biology
Down syndrome or trisomy 21, in humans is caused by an extra copy of relatively small chromosome 21. if a male with down syndrome could have children what is the likelihood that his children will also have down syndrome? a. 0 b. 25 c.50 d. 75 e. 100
Monday, September 3, 2012 at 5:57pm

Probability
4.3. In a certain college town, 27.5 percent of the students failed Mathematics (Math), 19.8 percent failed Biology (Bio), and 11 percent failed both Math and Bio. A student is selected at random. Let A represent the event of failing Math, so that A' is the probability of ...
Sunday, September 2, 2012 at 11:32pm

Biology (Science)
What is the biological definition of life?
Sunday, September 2, 2012 at 10:24pm

biology
What do u mean by floral formula?
Sunday, September 2, 2012 at 12:50am

science
how to make an acrostic for biology?
Saturday, September 1, 2012 at 11:57am

biology
Discuss the major cell and tissue types found in the typical animal body.
Saturday, September 1, 2012 at 11:30am

biology
Discuss the flowering plant body from the cell to the entire plant.
Saturday, September 1, 2012 at 11:30am

Biology
what is spontaneous generation How was it disproved
Thursday, August 30, 2012 at 12:57pm

biology
can any one help me by giving correct answer for the following question give reason:left ventricle is thicker than right ventricle.
Thursday, August 30, 2012 at 7:48am

biology
Compare isomers and sterioisomers of glucose?
Tuesday, August 28, 2012 at 9:29am

Human Biology
When you eat a salad with lettuce, croutons, hard-boiled egg, bacon bits, and salad dressing, which one of those components will pass through your body with the least digestion? Why?
Monday, August 27, 2012 at 4:08pm

biology
how did the surface area affect the diffusion of the cube?
Sunday, August 26, 2012 at 9:09pm

Biology
1. Which of the following is the definition of ecology? the social movement with a goal to protect the environment the recycling of human-made materials to reduce waste going into landfills the study of interactions among organisms and between organisms and their environment ...
Friday, August 24, 2012 at 4:06pm

biology
Suppose you plant a seed and observe that a tree of large mass grows from it. The tree achieves a final mass that changes very little for years afterward. Which of the following is true about the tree? (1 point) Both anabolic and catabolic reactions took place in the seed and ...
Friday, August 24, 2012 at 2:38pm

biology
what does the word hypothesis come from?What is the meaning?
Thursday, August 23, 2012 at 9:30pm

Biology - genetics
How does crossing over change the combination of alleles in gametes? Thanks :)
Thursday, August 23, 2012 at 3:01am

biology
What is meant by the statment living things do not exist in isolation?
Tuesday, August 21, 2012 at 9:05pm

biology
How do I convert km to nm? Like 299.32 km = nm
Sunday, August 19, 2012 at 11:29pm

biology
2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.
Sunday, August 19, 2012 at 10:41pm

Biology
1. Prior to sowing rice,a legume crop was cultivated and ploughed back in the field,why? Explain. 2. What is a flower?Describe the parts of a typical angiosperm flower. 3. Write zoological name of the following: (a)Elephant (b)Lion. 4. "There is clear division of labour ...
Tuesday, August 14, 2012 at 12:57am

Biology/Pathphysiology
Predict what would happen to the P-R interval and Q-T interval and T-P interval on a ECG when a subjects exercises workout increases?
Monday, August 13, 2012 at 9:28pm

Biology/HELP
Contrast the role of research in science and pseudoscience...??!! #LOST
Sunday, August 12, 2012 at 3:30pm

Biology
Summarize the importance of homeostasis.
Sunday, August 12, 2012 at 3:29pm

Biology
this system is a ___________ system in which measurements are expressed in multiples of _____________ or _________of a basic unit.
Sunday, August 12, 2012 at 3:11pm

Biology
The system of measurement is abbreviated _________________.
Sunday, August 12, 2012 at 2:59pm

biology
in order for scientific research to be universally understood,scientists report measurements in the ________________,a modern form of the metric system.
Sunday, August 12, 2012 at 2:58pm

biology
what is the difference between notocord and backbone.
Sunday, August 12, 2012 at 11:50am

Biology
can you explain gametes and zygote of the kangaroo paw?
Sunday, August 12, 2012 at 6:50am

Biology
What is the difference between adventitious root and fibrous root?
Saturday, August 11, 2012 at 12:42pm

Science Biology
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
Friday, August 10, 2012 at 7:13pm

biology
Trophic Level Cylinder Volume of H2O Volume of Oil Total Volume % Oil 1st 1000 ml 1000 ml 2nd 100 ml 100 ml 3rd 10 ml 10 ml
Thursday, August 9, 2012 at 9:37am

biology
1.What is the % concentration of oil in the first, second, and third trophic levels in our food chain? 2.How did the concentration of oil change from one trophic level to the next? 3.How does the change in concentration represent biomagnification? 4.How does this also ...
Thursday, August 9, 2012 at 9:27am

Biology
Explain the importance of an arthropod’s exoskeleton. In your explanation, be sure to address how is it able to grow tens of times larger than it was at birth, even though it has an exoskeleton. Also discuss at least two benefits of an exoskeleton as well as how the ...
Monday, August 6, 2012 at 7:43am

biology
Hi, I was wondering if I answered this question correctly #1-Two kinds of cell-transport are used in the process that forms ATP. Name the two types of transport and describe how they take place. Electron transport is not a form of cell transport. #1- I think the passive and ...
Friday, August 3, 2012 at 8:11pm

biology
My question is that I want a project based on the Human Body.Like a project of Cells ( I have done that) HELP give me ideas
Wednesday, August 1, 2012 at 11:42am

Biology..eh:/
If trypsin and chymotrypsin become activated within the pancreas and then are released in their active forms into the bloodstream, why would this represent a potentially life-threatening situation?
Tuesday, July 31, 2012 at 5:23pm

biology
what is anterior tibial translation?
Friday, July 27, 2012 at 8:56am

BIOLOGY
Describe the processes of transcription and translation and correctly identify the anticodon for the following DNA template strand-ACG TGG GCA TGA ACG TGG. Which amino acids do these anticodon represent?
Thursday, July 26, 2012 at 9:34pm

Biology
What does it mean that an anterior cruciate ligament resists anterior translation and internal rotation?
Tuesday, July 24, 2012 at 5:24pm

Biology
Questions for Exam 1 for Concepts in Biology 12 edition
Thursday, July 19, 2012 at 4:43pm

biology
How do I calculate protein concentration if I know the purity is 97.3% and MW = 2666.31 kDA Thanks
Tuesday, July 17, 2012 at 12:41pm

biology
How do I calculate protein concentration if I know the purity is 97.3% and MW = 2666.31 kDA Thanks
Tuesday, July 17, 2012 at 12:14pm

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 ...
Monday, July 16, 2012 at 11:00pm

Biology
If the line for 60 captured is extended downward to zero percent error, what fraction of the total population would this represent? (Compare the actual number in the can to the extrapolated number on your graph.) What more information do I need to provide to get an answer?
Sunday, July 15, 2012 at 6:16pm

Biology
A trip to a different stream which had 30 fish marked at an earlier time produced 20 captured fish but none were recaptured with fish tags. Can you estimate the number of fish in this stream? Explain your answer.
Sunday, July 15, 2012 at 6:10pm

Biology
Discuss two lifestyle factors (one for bone and one for muscle) that affect the growth, development, size and/or healing (positively or negatively of the tissue. Also state whether the factor can lead to a disease or disorder of the tissue.
Sunday, July 15, 2012 at 3:23pm

statistic
Choose ALL that represent quantitative data. the amount of time you spend studying each week your street address how many years you have owned your car the company that you use for cell phone service the number of people who live with you your score on the last MAT 115 test my...
Thursday, July 12, 2012 at 9:23pm

biology
What are biomes and how are they influenced by latitude and elevation? Give Examples
Thursday, July 12, 2012 at 3:25pm

science(biology)
Difference between tendon and ligament
Thursday, July 12, 2012 at 7:09am

Statistics
An instructor for a college biology lab has each of her 12 students (you are one of those 12 students) take their own SRS of 25 plants from an experimental field. She lets you know that the heights (measured in cm) of the plants in the field follow a N(50,4) distribution. a. ...
Wednesday, July 11, 2012 at 10:03pm

biology
Why is the universal genetic code considered universal?
Wednesday, July 11, 2012 at 3:17pm

biology
Both the description and the definition of ecology and its significance to you and the society
Tuesday, July 3, 2012 at 2:57am

biology 2
The digestive, circulatory, respiratory, immune, and excretory systems all work together to maintain homeostasis. Discuss how a minor malfunction in one of these systems could lead to major malfunctions in others. If methods were developed to improve the efficiency and ...
Monday, June 25, 2012 at 6:23pm

biology
solar energy
Sunday, June 24, 2012 at 4:17am

Biology
The function / effectiveness of an enzyme can be disabled by the slightest change in the sequence of its proteins. What prevents an enzyme from performing its functions in the event that its protein sequence is changed?
Thursday, June 21, 2012 at 9:01am

Biology
When a grouse eats berries, the berry seed are eliminated as waste materials and may be dropped in another part of the forest where they may sprout and eventually grow into new berry plants. How would you classify the symbiotic relationship between the berry plant and the ...
Thursday, June 21, 2012 at 8:47am

Biology
Is Wind Power Green? I am writing a paper and I need to put together an outline of my final paper. I would just like to know if the following paragraph I have put together can serve as a thesis statement? "The idea that the world is reaching a possible peak in oil ...
Sunday, June 17, 2012 at 4:49pm

Biology Lab
Can you please show me how to answer this question using C1V1=C2V2 A scientist receives a vial containing a protein at at concentration of 35mg/ml and is asked to add 0.25ml of it to 6.75mls of Biuret solution. What is the concentration of protein in the Biuret solution in mg/ml?
Sunday, June 17, 2012 at 10:34am

Biology
The release of eggs and sperm near each other into the water occurs during A spawning. B development. C growth. D all of the above. Is it A?
Friday, June 15, 2012 at 2:45pm

Biology
Which of the following are three common characteristics of echinoderms? A tube feet, circulatory system, body symmetry B marine-dwellers, endoskeletons, water-vascular system C bilateral symmetry, ossicles, respiratory system D mouths, protosomes, body symmetry is it C...
Thursday, June 14, 2012 at 4:32pm

Biology
to grow larger, arthropods must A grow a new endoskeleton. B grow a new exoskeleton. C add to the old endoskeleton. D add to the old exoskeleton. is it B?
Thursday, June 14, 2012 at 4:08pm

Biology
Growth by cell division that makes both ends of a plant longer but not wider is called A secondary growth. B annual ring growth. C vascular growth. D primary growth. is it D? thanks
Wednesday, June 13, 2012 at 12:12pm

Biology!!!
What is the function of plasma?
Wednesday, June 13, 2012 at 10:47am

Art
Could you please check scientific English in this short dissertation? Thank you, Ms. Sue. 1) Conrad Waddington introduced the term epigenetics in the early 1940s. He defined epigenetics as ‘‘the branch of biology which studies the causal interactions between genes ...
Thursday, June 7, 2012 at 6:52pm

biology
why does The sodium-potassium pump move potassium ions into and sodium ions out of a cell down a protein canal?
Wednesday, June 6, 2012 at 6:44pm

biology
predict the expected phenotypic and genotypic ratios among the offspring of two individuals who are heterozygous for freckles(Ff) buy using a punnett square.
Tuesday, June 5, 2012 at 2:42pm

Biology
how many ATP molecules are released during cellular respiration? or what is the value of1 ATP molecule?
Monday, June 4, 2012 at 12:22pm

math
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major test is worth 21%, ...
Sunday, June 3, 2012 at 1:39pm

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