Biology » Page 103

Biology

Lindsey Bryant

Explain why blood pressure and heart rate differ when measured in a reclining position and in a standing position.

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Biology

Dozer

Which part of the nervous system is involved in fight-or-flight response? Why is such a response important?

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Biology

Walker Sullivan

Viruses cannot ...

a) be crystallized

b) live in bacteria

c) reproduce on their own

d) cause disease in plants

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Biology

Tatiana Kerr

Monocot seed vs. dicot seed characteristics?

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Biology

Rafael Ritter

Which of the following best describes the relationship between genes, chromosomes, and DNA

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Biology

Andres

What organisms have organelles

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Biology

Jaron Glenn

Why do modern scientists use repeated experiments to develop and test hypotheses

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Biology

Jeffery Howard

A small population of chimpanzees lives in a habitat that undergoes no changes for a long period. how will genetic drift probably affect this population?

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Biology

Guest

Which of the following is true about the genotype of the mouse shown below?

White mouse

A. The mouse must be FF.

B. The mouse could be FF or Ff.

C. The mouse could be ff or Ff.

D. The mouse must be ff.

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Biology

Stanley Hatfield

What statement is true of prions?

a) Prions are produced by viruses.

b) Prion diseases can be prevented by cooking your meat.

c) Prions are abnormally shaped proteins that cause spongiform encephalopathies.

d) There are no prion diseases of humans, although there are several examples in animals.

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Biology

Cutie Pie

Water expands when it freezes. Describe a test that you could complete at home to provide evidence that water expands as it freezes.

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Biology

Mosley

In peas, axial (A) flower position is dominant to terminal (a), tall (L) is dominant to short (l), and yellow (Y) is dominant to green (y). If a plant that is heterozygous for all three traits is allowed to self-fertilize, how many of the offspring would be dominant for all three traits? In peas, axial (A) flower position is dominant to terminal (a), tall (L) is dominant to short (l), and yellow (Y) is dominant to green (y). If a plant that is heterozygous for all three traits is allowed to self-fertilize, how many of the offspring would be dominant for all three traits? 3/64 32/64 27/64 64/64 9/64

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Biology

Joey Howe

Which amino acids are coded for by the abnormal DNA?

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Biology

Mireya Rasmussen

What are the essential parts of a controlled experiment

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Biology

Cristina Parker

If B = the benefit of a behavior to a recipient, C = the cost of the behavior of the donor, and r = the degree of relatedness between the recipient and donor, then if rB ___ C, altruism can evolve.

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