Chpt. 3: Cells And Tissues

Question 0

Chromatin

Answer 0

The structures in the nucleus that carry the heredity factors (genes)

Question 1

Nucleus

Answer 1

Dense central body in most cells containing the genetic material of the cell

Question 2

Chromosome

Answer 2

Barlike body of tightly coiled chromatin; visible during cell division

Question 3

Microvilli

Answer 3

Tiny projections on the free surfaces of some epithelial cells; increase surface area for absorption

Question 4

Cytoplasm

Answer 4

Substance of a cell other than that of the nucleus

Question 5

Mitochondria

Answer 5

Rod-like cytoplasmic organelles responsible for ATP generation for cellular activities

Question 6

Ribosomes

Answer 6

Cytoplasmic organelles at which proteins are synthesized

Question 7

Endoplasmic Reticulum

Answer 7

A membranous network of tubular or saclike channels in the cytoplasmic of a cell

Question 8

Lysosomes

Answer 8

Organelles that originate from the Golgi apparatus and contain strong digestive enzymes

Question 9

Centriole

Answer 9

A minute body found near the nucleus of the cell; active in cell division

Question 10

Gene

Answer 10

One of the biological units of heredity located in chromatin; transmits hereditary information

Question 11

Gland

Answer 11

An organ specialized to secrete or excrete substances for further use in the body or for elimination

Question 12

Tendons

Answer 12

Cords of dense fibrous tissue attaching a muscle to a bone

Question 13

Ligament

Answer 13

A cord of fibrous tissue that connects bones

Question 14

Nuclear Membrane

Answer 14

The double lipid bilayer membrane which surrounds the genetic material and nucleolus in eukaryotic cells

Question 15

Cytosol

Answer 15

The aqueous component of the cytoplasm of a cell, within which various organelles and particles are suspended