Deck 4: Cell Metabolism

Question 1

Sucrose,lactose,and maltose are classified as

A) enzymes.
B) disaccharides.
C) peptides.
D) nucleotides.

Answer 1

disaccharides.

Question 2

Which of the following is most related to glycolysis?

A) Krebs cycle
B) mitochondria
C) lactic acid
D) aerobic

Answer 2

lactic acid

Question 3

Starch is classified as a(n)

A) lipid.
B) fatty acid.
C) amino acid.
D) polysaccharide.

Answer 3

polysaccharide.

Question 4

Which of the following is a waste product of glucose metabolism?

A) ATP
B) CO₂
C) urea
D) glycogen

Question 5

Which of the following describes the breakdown of glucose to lactic acid?

A) aerobic
B) Krebs cycle
C) glycolysis
D) gluconeogenesis

Question 6

Which of the following is not a carbohydrate term?

A) glycogen
B) monosaccharide
C) glycerol
D) sucrose,maltose,and lactose

Question 7

Which of the following terms is most descriptive of ribose and deoxyribose?

A) steroids
B) lipids
C) sugars
D) disaccharides

Question 8

Which of the following are building blocks of protein?

A) monosaccharides
B) glucose,fructose,and galactose
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C) amino acids
D) cellulose and glycogen

Question 9

Ketone body formation is most likely to cause

A) infection.
B) acidosis.
C) bleeding.
D) protein deficiency.

Question 10

Which of the following is most descriptive of glucose?

A) disaccharide
B) peptide
C) glycerol
D) carbohydrate

Question 11

In the absence of oxygen,glucose is catabolized to

A) lactic acid.
B) carbon dioxide and water.
C) urea.
D) fatty acid.

Question 12

Which of the following is least related to lactic acid?

A) glycolysis
B) Krebs cycle
C) anaerobic
D) cytoplasmic

Question 13

Which of the following are joined together by peptide bonds?

A) amino acids
B) monosaccharides
C) lipids
D) steroids

Question 14

Which of the following is (are)produced by the rapid and incomplete breakdown of fatty acids?

A) acetone and ketoacids
B) lactic acid
C) amino acids
D) urea

Question 15

Which of the following is a nitrogen-containing waste product?

A) glucose
B) adenosine triphosphate
C) carbon dioxide
D) urea

Question 16

Cholesterol is

A) an essential amino acid.
B) stored as glycogen.
C) degraded to sucrose,lactose,and maltose.
D) used to synthesize steroids.

Question 17

Glucose is usually broken down in order to

A) make carbon dioxide.
B) provide energy (ATP)for the working cells.
C) use up urea.
D) make glycogen.

Question 18

Glycogen is

A) an end-product of fatty acid catabolism.
B) stored within adipose tissue.
C) the storage form of glucose.
D) an essential amino acid.

Question 19

Which of the following forms most ATP?

A) glycolysis
B) conversion of glucose to glycogen
C) aerobic catabolism of glucose
D) catabolism of glucose to lactic acid

Question 20

Starches,amylases,and disaccharidases are related to

A) carbohydrates.
B) steroids.
C) enzymes.
D) peptides.

Question 21

Which of the following is a double-stranded nucleic acid that is called the "blueprint for life"?

A) urea
B) DNA
C) gene
D) RNA

Question 22

With which process are both DNA and mRNA involved?

A) transcription
B) translation
C) glycolysis
D) ATP production

Question 23

Adenine,uracil,cytosine,and guanine are

A) sugars used to synthesize nucleotides.
B) bases of RNA.
C) nonessential amino acids.
D) ketone bodies.

Question 24

DNA

A) is double-stranded and stores the genetic code.
B) contains ribose as its sugar.
C) is located within the cytoplasm.
D) contains the following bases:cytosine,guanine,adenine,and uracil.

Question 25

In G?,the cell is

A) resting.
B) undergoing mitosis.
C) duplicating DNA.
D) making mRNA.

Question 26

Gluconeogenesis

A) increases blood cholesterol.
B) increases urea synthesis.
C) increases blood glucose.
D) causes hypoglycemia.

Question 27

Which of the following carries the individual amino acids from the cytoplasm to the ribosome for assembly into a protein?

A) DNA
B) tRNA
C) mRNA
D) ATP

Question 28

Gluconeogenesis is a process which makes

A) glucose from glycogen.
B) glucose from protein.
C) protein from glucose.
D) protein from fat.

Question 29

Adenine,thymine,cytosine,and guanine are

A) bases of DNA.
B) sugars used to synthesize nucleotides.
C) intermediates of the Krebs cycle.
D) amino acids.

Question 30

tRNA reads the genetic code stored in

A) DNA.
B) ribosomes.
C) mRNA.
D) nuclear membrane.

Question 31

An NH₂ group and a COOH group is most characteristic of a(n)

A) fatty acid.
B) amino acid.
C) monosaccharide.
D) ketoacid.

Question 32

mRNA "gets" the genetic code from

A) DNA.
B) tRNA.
C) the ribosomes on the ER.
D) centrioles.

Question 33

Which of the following is least related to urea?

A) hepatic synthesis
B) nitrogenous waste
C) chemical formula is NH4+
D) excreted in the urine

Question 34

Which of the following is true of base-sequencing?

A) occurs within the mitochondrion
B) occurs along the ribosome
C) stores the genetic code
D) is a function of the Krebs cycle

Question 35

With which base can adenine pair?

A) guanine
B) cytosine
C) ribose
D) uracil