Chapter 29 human biology BUSHONG

interphase

A cell is in _____________ when it is not undergoing mitosis or meiosis.

a. anaphase

b. telophase

c. interphase

d. prophase

b. genetic message

A codon is a _______________.

a. protein molecule

b. genetic message

c. somatic cell

d. cell organelle

germ

All the hereditary information about an individual is contained in the _______ cells.

a. skin

b. blood

c. germ

d. brain

metaphase

Any chromosome damage induced by radiation could be seen during the __________.

a. metaphase

b. anaphase

c. telophase

d. prophase

nucleus

DNA is located in the ____________ of the cell.

a. nucleus and cytoplasm

b. wall

c. cytoplasm

d. nucleus

S

During the ______ phase of cell life, each DNA molecule is replicated into two identical daughter DNA molecules.

a. G2

b. S

c. G1

d. M

genetic

Meiosis is the process of cell division for ___________ cells.

a. genetic

b. somatic

c. muscle

d. skin

cytoplasm

Ribonucleic acid (RNA) is located primarily in the _________________.

a. cytoplasm

b. ribosomes

c. nucleus

d. cell wall

cell

The __________ is the basic functional unit of all plants and animals.

a. cell

b. macromolecule

c. DNA

d. lipid

lysosomes

The ______________ have the function of cleaning contaminants from the cell.

a. ribosomes

b. mitochondria

c. lysosomes

d. chromatids

carbohydrates

The ______________ in the body provide fuel for cell metabolism.

a. carbohydrates

b. water

c. hormones

d. protein

a. DNA and RNA

The _______________ in the cell are nucleic acids.

a. DNA and RNA

b. DNA

c. lipids

d. RNA

c. mitochondria

The cell "engines" are the _________________.

a. nucleoli

b. lysosomes

c. mitochondria

d. ribosomes

hormones

The endocrine glands produce ____________.

a. antigens

b. hormones

c. glycerol

d. lipids

water

The human body is composed of about 80% ______________.

a. carbohydrates

b. water

c. nucleic acids

d. protein

anabolism

The metabolic process of building large molecules from smaller ones is called ______________.

a. catabolism

b. synthesis

c. anabolism

d. homeostasis

DNA

The most radiosensitive target molecule in the human cell is the _________.

a. glucose

b. protein

c. hormone

d. DNA

water

The only principal molecules in the body which are simple molecules are __________ molecules.

a. lipid

b. carbohydrate

c. protein

d. water

23

The process of cell meiosis results in cells with _______ chromosomes each.

a. 48

b. 46

c. 23

d. 22

cytoplasm

The two major parts of the cell are the nucleus and the ________________.

a. nucleolus

b. cytoplasm

c. cell wall

d. mitochondria