Biology

Front 1

Which of the following is considered a macromolecule?

Back 1

Nucleic acid

Front 2

Which of the following is NOT one of the classes of primary organic molecules?
A) Carbohydrates
B) Proteins
C) Salts
D) Nucleic acids

Back 2

Salts

Front 3

The process by which polymers are turned into monomers is called__________.

Back 3

hydrolysis

Front 4

The molecule that stores the information about the order of amino acids in a protein is _____.

Back 4

DNA

Front 5

The three-dimensional shape of a polypeptide is associated with its _____.

Back 5

tertiary structure

Front 6

The nucleotide that supplies energy for dehydration synthesis is _____.

Back 6

adenosine triphosphate

Front 7

The two strands of DNA are held together by _____ between the purine and pyrimidine bases.

Back 7

hydrogen bonds

Front 8

The bond between two amino acids is ______.

Back 8

known as a peptide bond

Front 9

After hydrolysis of a triglyceride, we would have _____.

Back 9

fatty acids and glycerol

Front 10

Dieticians recommend that the majority of our dietary calories come from ______.

Back 10

carbohydrates

Front 11

Which is the INCORRECT association between monomer and polymer?
A) monosaccharide - polysaccharide
B) nucleic acid - polypeptide
C) nucleotide - nucleic acid
D) amino acid - polypeptide

Back 11

nucleic acid - polypeptide

Front 12

One would expect in the structure of a DNA molecule thymine would always be paired to ________.

Back 12

adenine

Front 13

Each nucleotide's structure should have all of the following except:
A) Sugar
B) Nitrogenous base
C) Phosphate group
D) Amine group

Back 13

Amine group

Front 14

The action of disrupting the three-dimensional shape of a protein is termed _______.

Back 14

denaturation

Front 15

Polysaccharides, the complex carbohydrates, break down into reduced/simple sugars during which of the following processes?

Back 15

Hydrolysis

Front 16

All of the following are functional benefits of the body's fat stores except ________.

Back 16

enzyme action

Front 17

To which group of organic compounds do both DNA and RNA belong?

Back 17

Nucleic acids

Front 18

Which statement best describe the behavior of carbon?

Back 18

Carbon can share pairs of electrons with as many as four other atoms.

Front 19

Complex carbohydrates are stored in animals in the form of

Back 19

Glycogen

Front 20

Fats which have one or more double bonds within their fatty acid tails are labeled as _____ fats.

Back 20

unsaturated

Front 21

The smallest living unit is a _____.

Back 21

cell

Front 22

Protein synthesis in a bacterial cell is done by _____.

Back 22

ribosomes

Front 23

The outermost boundary of prokaryotic cells is their _____.

Back 23

cell wall

Front 24

Sperm cells move by means of _______.

Back 24

flagella

Front 25

Skeletal muscle cells will have a large number of _____ due to their high demand for energy.

Back 25

mitochondria

Front 26

All cells contain the following items except ______.

Back 26

nucleus

Front 27

The stacks of disks containing chlorophyll in a chloroplast are the ______.

Back 27

grana

Front 28

Large storage structures typically found in the center of plant cells are ______.

Back 28

central vacuoles

Front 29

Which of the following statements is false?
A) Some cells are large enough to be seen by the naked eye.
B) Cells with infoldings and outfoldings of their plasma membranes are able to move.
C) All cells are shaped like cubes or are round.
D) In Eukaryotic cells, the central nucleus controls activities in the cell.

Back 29

All cells are shaped like cubes or are round.

Front 30

Cells of more complex organisms are different from bacterial cells in which of the following ways?

Back 30

The variety of organelles and their complexity.

Front 31

Which of these organelles contain digestive enzymes?
A) Mitochondria
B) Ribosomes
C) Lysosomes
D) Golgi bodies

Back 31

Lysosomes

Front 32

Synthesis of lipids occurs in which major organelle?

Back 32

Smooth endoplasmic reticulum

Front 33

The description "9+2 array" in cells refers to _______.

Back 33

microtubules

Front 34

When a cell grows, which of the following occurs?

Back 34

They will increase the volume faster than the surface area of the cell.

Front 35

The large surface area needed for the participants in cellular respiration is provided by the _____ of the mitochondria.

Back 35

cristae

Front 36

Which of the following will NOT be found in abundance in an insulin-producing pancreas cell?
A) Rough endoplasmic reticulum
B) Golgi apparatus
C) Chloroplasts
D) Ribosomes

Back 36

Chloroplasts

Front 37

Debris that is trapped in mucus is moved away from the lungs toward the throat by _____.

Back 37

cilia

Front 38

The _____ participates in ribosome synthesis and is found in the nucleus.

Back 38

nucleolus

Front 39

The endosymbiotic hypothesis attempts to explain _____.

Back 39

the origin of chloroplasts and mitochondria