Question 1

This figure shows the cell cycle. What does "D" represent?

Question 2

During which stage do homologous chromosomes move away from each other?

Question 3

In the cell cycle the "S" stands for:

Question 4

In plants, cytokinesis occurs with the formation of:

Question 5

Molecules which stimulate or inhibit cell division are referred to as:

Question 6

If you were a biologist studying how an RNA virus such as HIV can attack and infect a human cell which contains DNA, you would be studying which of the following enzymes?

Question 7

Based on the work of Thomas Cech and Sidney Altman, why is RNA thought to have been the first type of genetic material?

Question 8

If you were studying different diseases which are caused by viruses, which of the following would you not be interested in studying?

Question 9

If you were studying archaea which are found in an anaerobic environment such as the mud found in swamps, you would be studying which of the following?

Question 10

When a bacteriophage carries portions of bacterial DNA from one cell to another, this is known as

Question 11

Which of the following is characterized by chloroplasts containing pyrenoids?

Question 12

A biologist is studying a multinucleated, cytoplasmic mass of cells which creeps along, phagocytiizing plant material as it moves. Based on this information you would conclude that he or she is studying which of the following?

Question 13

Which of the following terms would not be associated with the trypanosomes?

Question 14

A biologist is studying protists that have a calcium carbonate shell with holes so pseudopods can extend outward. Based on this information you would conclude that he or she is studying which of the following?

Question 15

Which of the following is a sexually transmitted disease?

Question 16

This figure shows the alternation of generations. What does "a" represent?

Question 17

Why do some plants feed on insects and other small animals?

Question 18

Sphagnum is a type of ________ that has nonliving cells that can absorb moisture and can be used in gardening.

Question 19

Which part of the seed provides nourishment for the embryo?

Question 20

In the moss life cycle, the ______ generation is dominant.

Question 21

Calculating the mitotic index gives a quantitative description of which of the following?

Question 22

To calculate the mitotic index, you Tools OMipneimnsize Content Opens Users TNougmgblee ru osfe russ eprrse sperents epantn:el

Question 23

Which of the following does not occur during interphase?

Question 24

Which of the following does not occur during interphase?

Question 25

In mitosis the nuclear membrane disappears in ________ and reappears in ___________.

Question 26

For both normal and cancerous tissue the most prevalent phase of the cell cycle was:

Question 27

Cancerous cells are said to have a cell cycle that is "deregulated," or different than a normal cell cycle. What is the most evident sign of this deregulation?