Biology 2230 (Final Exam Review Test)

Front 1

_____________ RNA has the function of bringing amino acids to the ribosome during translation.

Back 1

Transfer

Front 2

Energy transformations result in a(n) ______________ in entropy.

Back 2

Increase

Front 3

. What type of tissue is especially dependent on adequate plasma glucose levels for energy?

Back 3

Nervous

Front 4

The process in which an amine group is transferred from one amino acid to another is called _______.

Back 4

transamination

Front 5

The function of the _____________ is to produce ribosomal RNA.

Back 5

nucleoli

Front 6

The transport of protons from the intermembrane space to the mitochondrial matrix occurs via ________.

Back 6

ATP synthase

Front 7

Peptide bonds are formed by the process of _______________.

Back 7

dehydration synthesis

Front 8

Glycolysis converts glucose into two ______________ molecules.

Back 8

pyruvic acid

Front 9

The base that is NOT found in RNA is ________.

Back 9

thymine

Front 10

. Which of the following would be most easily broken?

Back 10

a hydrogen bond

Front 11

Anaerobic respiration is triggered .when the ratio of ______________ falls below a critical level.

Back 11

oxygen supply to oxygen need

Front 12

Each turn of the Krebs cycle produces ________________.

Back 12

1 FADH2, 1 ATP, and 3 NADH

Front 13

________homeostatic regulatory mechanisms are "built-in" to the organs being regulated.

Back 13

Intrinsic

Front 14

Epithelial membranes that are more than one layer thick are ___________.

Back 14

stratified

Front 15

The flow of energy in living systems is termed ____________.

Back 15

bioenergetics

Front 16

Microtubules and microfilaments are the primary components of the _____________.

Back 16

cytoskeleton

Front 17

Tendons are composed of ______________.

Back 17

dense regular fibrous connective tissue

Front 18

18. Formation of the maximum number of acetyl CoA molecules from glucose produces ______________ molecules of carbon dioxide.

Back 18

two

Front 19

In the reaction H2O + CO2 ↔ H2CO3, increasing the concentration of H2O would __________.

Back 19

increase the concentration of H2CO3

Front 20

A cell lacking a Golgi apparatus would not be able to add _____________ to proteins.

Back 20

carbohydrates

Front 21

Regulation of a metabolic pathway by the final product of the pathway is termed __________.

Back 21

both end-product inhibition and negative feedback

Front 22

The _______________ electrons are the only electrons to participate in chemical bonding.

Back 22

Valence

Front 23

The importance of the Krebs cycle is the production of significant amounts of _____________.

Back 23

NADH

Front 24

Can undergo metabolic conversion to acetyl CoA and enter the Krebs cycle?

Back 24

Protein
Fatty acids
Glucose

Front 25

This process is also known as reduction division.

Back 25

meiosis I

Front 26

______________ cells normally produce ATP exclusively by anaerobic respiration.

Back 26

Red Blood

Front 27

. A cell which is actively involved in protein synthesis would contain large quantities of _______________.

Back 27

Ribosomes

Front 28

The level of protein structure primarily involved in determining enzyme activity is the _________.

Back 28

tertiary structure

Front 29

What theory explains the ability of the electron transport system to pump protons between the inner and outer mitochondrial membranes?

Back 29

Chemiosmotic theory

Front 30

. The first step in the scientific method involves the formation of a(n) ______________.

Back 30

hypothesis

Front 31

. Digestive enzymes which remove hydrogen atoms from their substrates would be ___________.

Back 31

. dehydrogenases

Front 32

Fatty acid metabolism occurs via ________________.

Back 32

beta-oxidation

Front 33

. ______________ is the opposite of glycogenesis.

Back 33

Glycogenolysis

Front 34

. Membranes are formed by ____________ tissue

Back 34

epithelial

Front 35

Chromosomes move to opposite poles in ______________.

Back 35

anaphase

Front 36

The Cori cycle converts ______________ to pyruvic acid

Back 36

lactic acid

Front 37

In the nucleus of a diploid cell, the amount of cytosine would equal the amount of __________.

Back 37

. guanine

Front 38

. Germinal cells can divide indefinitely probably due to the activity of an enzyme called ________.

Back 38

telomerase

Front 39

. The ____________ is the polysaccharide layer attaching an epithelial tissue to the underlying connective tissue.

Back 39

basement membrane

Front 40

Primary tissues of the body.

Back 40

Nervous
Muscular
Epithelium

Front 41

. Scientific theories are based on a single hypothesis.

Back 41

False

Front 42

Negative feedback results in a response that opposes that of the original stimulus.

Back 42

True

Front 43

The electron transport chain is responsible for the production of the majority of cellular ATP.

Back 43

True

Front 44

All body cells have at least one nonmotile primary cilium with a "9+2" structure.

Back 44

False

Front 45

Crossing over allows for the exchange of genetic material between homologous chromosomes.

Back 45

True

Front 46

Free energy is the only type that can be used to perform cellular work.

Back 46

True

Front 47

Condensation of adenosine diphosphate and phosphate generates adenosine triphosphate and energy.

Back 47

False

Front 48

As the pH of the blood decreases, the amount of hydrogen ions in the blood would decrease.

Back 48

False

Front 49

Hydrogen bonds form between the partially charged atoms of two polar molecules, such as the slightly negatively charged hydrogen atom of one water molecule and the slightly positively charged oxygen atom of another

Back 49

False

Front 50

. Covalent bonds are formed between monosaccharides through dehydration synthesis.

Back 50

True

Front 51

Glucose is stored as a polysaccharide to prevent osmosis of water into the cells.

Back 51

True

Front 52

Mitochondria contain their own DNA.

Back 52

True

Front 53

Oxidizing agents accept electrons from molecules undergoing reduction.

Back 53

True

Front 54

Cyclins are a group of proteins which promote different phases of the cell cycle.

Back 54

True

Front 55

The specific sequence of amino acids in a polypeptide is known as the primary protein structure.

Back 55

True