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What characteristics distinguish prokaryotic and eukaryotic cells?
A) Eukaryotic chromosomes are linear; prokaryotic chromosomes are circular.
B) Prokaryotes have relatively little DNA; eukaryotes generally have much more.
C) All of these are correct.
D) Prokaryotic DNA is naked or nearly naked; eukaryotic DNA is usually heavily associated with protein.
E) Eukaryotes have membrane-bound organelles; prokaryotes do not.
Some vertebrate animals lack marrow cavities in many bones. Using your knowledge of bone structure, predict in which of the following you would expect to find the most evidence of solid bones.
A molecular level description means that you must explain the structure of water and how that structure leads to the observation made- in this case that water beads on waxes.
Describe the serial transplantation experiments performed by John Gurdon in the 1960s and what they revealed.
What characteristic of the synthetases explains this discrepancy. Tina is consuming 15 mg of iron per day. Her RDA is 18 mg. She has no condition warranting a greater-than-normal need for iron. Which of the statements is true about her consumption of..
At 45C, the vapor pressure of water for a glucose solution in which the mole fraction of glucose is 0.080 is 65.76 mmHG. Calculate the activity and activity coefficient of the water in the solution.
XPA is a recessive DNA repair disorder that causes skin cancer with even the smallest exposure to sunlight. Heterozygotes (Xx) are carriers, but are not affected. In the U.S., 1/250,000 people have the disease. In Japan, 1 in 22,000 has the diseas..
Discuss and explain ways in which the body's metabolism adapts to conditions of fasting/starvation. How do these adaptations affect the rate of weight loss when dieting?
If we wanted to produce human insulin or human blood clotting factor in bacteria, what problems might we encounter? (genetic problems, not ethical)
A three-carbon molecule is produced from glycolysis undergoes changes before it enters the TCA cycle. What are those changes? Also Name the carrier molecule that escorts the product to the enzyme citrate synthase in the TCA.
Why is 18S rRNA important in genetic studies and PCR, and how is it phenotypically or phylogenetically important?
A train is travelling up a 3.73 degree incline at a speed of 3.25m/s as the last car breaks free. How far does last car travel before its speed momentarily reaches zero.
which of the following is not one of the urinary systems functions.
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