Exam 1 Review

Question 1

(Ch 2) What is VAERS and who can report it?

Answer 1

Vaccine Adverse Event Reporting System; anyone may submit a report on an adverse reaction to a vaccine.

Question 2

(Ch 1) Dr. Blehert took healthy bats into his laboratory. He exposed some of them to the fungus suspected of causing white-nose syndrome (WNS). The rest of the bats were not exposed to the fungus but were otherwise kept under the same environmental conditions. This method of manipulating one or more aspects of the natural world in a repeatable manner and with the intention of answering a specific question is called a(n)…

Answer 2

controlled experiment

Question 3

(Ch 3) A solution with pH = 5 is ______ than a solution with pH = 7.

Answer 3

100 times more acidic

Question 4

(Ch 3) What is true about the properties of water at different temperatures?

Answer 4

Water molecules in ice are spaced farther apart from one another than water molecules in liquid.

Question 5

(Ch 3) Which of the following is NOT a type of monomer?

A. Nucleotide
B. DNA
C. Monosaccharide
D. Amino acid

Answer 5

B. DNA

Question 6

(Ch 3) In order to determine the atomic mass of an atom, one needs to know…

Answer 6

the number of protons and neutrons

Question 7

(Ch 3) Hydrogen bonds are…

Answer 7

weak chemical bonds that hold separate molecules together.

Question 8

(Ch 3) Sodium chloride (NaCl) dissolves well in water because…

Answer 8

it has charges that allow it to interact with water.

Question 9

(Ch 4) Osmosis is a form of…

Answer 9

simple diffusion

Question 10

(Ch 4) This structure is primarily responsible for the enzymatic breakdown of large molecules in the cell.

Answer 10

Lysosome

Question 11

(Ch 4) Molecules sometimes move across a plasma membrane by passing through channel proteins or with the help of transport proteins. If no energy is used by the cell during this process, the process is called…

Answer 11

facilitated diffusion

Question 12

(Ch 5) The electrons that are released by the splitting of H20 molecules during photosynthesis ultimately end up in…

Answer 12

NADPH

Question 13

(Ch 5) The Calvin cycle is driven by _____________ that convert CO2 into sugars.

Answer 13

enzymes

Question 14

(Ch 5) During cellular repsiration, __________ is the step that produces the greatest number of ATP molecules.

Answer 14

oxidative phosphorylation (80%)

Question 15

(Ch 5) If you consider the combined process of photosynthesis and cellular respiration, the electrons found in H2O at the beginning of the light reactions end up attaching to__________ during respiration.

Answer 15

O2 to make new H2O

Question 16

(Ch 5) Anabolism usually __________ energy to produce polymers, whereas catabolism __________ energy to produce monomers.

Answer 16

requires; releases

Question 17

(Ch 5) The protons moved by the proton pump during the light-dependent reactions of photosynthesis come from…

Answer 17

H2O

Question 18

(Ch 5) In a multistep metabolic pathway, the products of the first enzyme-catalyzed reaction typically…

Answer 18

are the substrates for the next reaction in the pathway

Question 19

(Ch 5) Which of the following is closely associated with mitochondria?

A. Krebs cycle
B. Glycolysis
C. Calvin cycle
D. Thylakoid

Answer 19

A. Krebs cycle

Question 20

(Ch 5) During which cellular process is ATP NOT released?

Answer 20

Calvin cycle

Question 21

(Ch 5) Which of the following ultimately provides the O2 used during the process of oxidative phosphorylation?

A. Light-dependent reactions of photosynthesis
B. Krebs cycle
C. Carbon fixation
D. Calvin cycle of photosynthesis

Answer 21

A. Light-dependent reactions of photosynthesis

Question 22

(Ch 6) Replication of a cell’s genetic material occurs during…

Answer 22

S phase

Question 23

(Ch 6) A characteristic that distinguished meiosis from mitosis is…

Answer 23

the total number of chromosomes present in daughter cells.

Question 24

(Ch 6) The nuclear envelope breaks down during which phase of mitosis?

Answer 24

Prophase

Question 25

(Ch 6) During which phase of mitosis do replicated chromosomes line up at an invisible plane along the center of the cell?

Answer 25

Metaphase