final pt 2

Question 1

Anabolic pathways of metabolism are pathways that:

Answer 1

build complex molecules from simple ones.

Question 2

Autotrophs typically obtain their carbon from:

Answer 2

CO2

Question 3

Animals such as cats, worms, and butterflies are classified as:

Answer 3

chemoheterotrophs

Question 4

The reactions in the pathways of glycolysis and the citric acid cycle break down glucose into smaller molecules. Therefore, these pathways

Answer 4

are catabolic pathways

Question 5

The second law of thermodynamics states that:

Answer 5

the universe becomes more disorderly over time.

Question 6

Kangaroo rats live in the desert of the southwestern United States. They have many adaptations to minimize water loss. They obtain a small amount of water from seeds that they eat. However, the rest of the water they obtain is from cellular respiration

Answer 6

This could be true, as water is produced in cellular respiration.

Question 7

Which of the following statements is true regarding aerobic respiration?

Answer 7

None of the other answer options is correct.

Question 8

The approximate yield of ATP molecules from the full oxidation of a molecule of glucose is:

Answer 8

32

Question 9

Which one of the following represents the reduced forms of the two major electron carriers?

Answer 9

NADH and FADH2

Question 10

The electron transport chain is part of:

Answer 10

oxidative phosphorylation

Question 11

Which of the following sequences correctly represents the flow of energy through living systems?

Answer 11

light ‣photosynthesis ‣carbohydrate ‣cellular respiration ‣ATP ‣heat

Question 12

In plants and algae, __________ is the source of the electrons needed for photosynthesis.

Answer 12

H2O

Question 13

Where is the photosynthetic electron transport chain located in plant cells?

Answer 13

in the thylakoid membranes of the chloroplast

Question 14

The reducing agent during the Calvin cycle is:

Answer 14

NADPH

Question 15

Beginning with the step catalyzed by rubisco, arrange the steps in the Calvin cycle in the proper sequence in which they occur

Answer 15

carboxylation, reduction, regeneration

Question 16

Which type of cell signaling does not rely on the diffusion of a chemical signal molecule?

Answer 16

juxtacrine

Question 17

Communication between neurons is an example of which type of cell signaling

Answer 17

paracrine

Question 18

The high variability of the types of G protein–coupled receptors allows for:

Answer 18

different types of cells to respond to different types of signals

Question 19

An increased heart rate caused by the release of adrenaline from the adrenal glands is an example of _______________________________.

Answer 19

endocrine signaling

Question 20

Which statement most accurately explains how some signals are amplified?

Answer 20

Second messengers are produced.

Question 21

Plasmodesmata are cell-cell junctions that can be found between ________.

Answer 21

plant cells

Question 22

The shape of cells is determined and maintained by structural protein networks in the cytoplasm called the _________

Answer 22

cytoskeleton

Question 23

The cytoskeleton of animal cells includes:

Answer 23

microtubules, microfilaments, and intermediate filaments.

Question 24

________________ is (are) the most common ECM protein fiber(s), is (are) more elastic than cellulose and forms a flexible extracellular layer.

Answer 24

Collagen

Question 25

the plasma membrane’s phospholipid bilayer has numerous proteins. Which of the following is NOT a protein associated with the plasma membrane?

Answer 25

transintegral proteins

Question 26

A cell with 10 chromosomes undergoes mitosis and cell division. How many daughter cells are produced and what number of chromosomes do they have?

Answer 26

2 daughter cells, 10 chromosomes each

Question 27

Mitosis is the process of chromosome separation. Cytoplasm is divided between the two daughter cells in a process known as ________

Answer 27

cytokinesis

Question 28

Which sequence of the cell cycle is common to eukaryotes?

Answer 28

G1 to S to G2 to M to cytokinesis

Question 29

Homologous chromosomes ________.

Answer 29

carry information for the same traits

Question 30

Crossing over occurs during

Answer 30

prophase I

Question 31

Why are there several structurally different pigments in the reaction centers of photosystems?

Answer 31

This setup enables the plant to absorb energy from sunlight from a variety of wavelengths

Question 32

Which of the following statements is NOT true of mitosis?

Answer 32

Homologous chromosomes synapse in prophase.

Question 33

Dynein motor proteins use ATP energy to:

Answer 33

carry vesicles along a microtubule within a cell in a plus-to-minus direction.