During meiosis, the sister chromatids separate during
a. anaphase II.
b. anaphase I.
c. the S phase.
d. synapsis.
e. telophase II.
Answer: a. anaphase II.
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Examine the meiotic diagram at right. Describe in detail what’s wrong with it.
What will be an ideal response?
A water molecule is polar because
a. the oxygen atom is a negative ion and the hydrogen atoms are positive ions. b. both the oxygen and the hydrogens are negatively charged. c. oxygen has a magnetic charge. d. the electrons of the hydrogen atoms are pulled to the oxygen atom. e. hydrogen has a stronger pull on the electrons than does oxygen
The term “respiration” in animals refers to the ____
a. movement of oxygen into an animal only b. movement of carbon dioxide out of an animal only c. movement of oxygen into an animal and the movement of carbon dioxide out of the animal d. binding of oxygen to hemoglobin molecules in the blood e. diffusion of oxygen across a cell membrane
The term Poxviridae indicates that we are looking at a virus
A) order. B) family. C) genus. D) species.