Chapter Three

Question 0

Nucleus is bound in this double membrane barrier

Answer 0

Nuclear Membrane

Question 1

A dense central body in most cells containing the genetic material of the cell.

Answer 1

Nucleus

Question 2

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

Answer 2

Chromatin

Question 3

Barlike body of tightly coiled chromatin; visible during cell division

Answer 3

Chromosomes

Question 4

The tiny projections on the free surfaces of some epithelial cells; increase surface area for absorption.

Answer 4

Microvilli

Question 5

The substance of a cell other than that of the nucleus

Answer 5

Cytoplasm

Question 6

Semitransparent fluid that suspends the other elements.

Answer 6

Cytosol

Question 7

The rod like cytoplasmic organelles responsible for ATP generation for cellular activities.

Answer 7

Mitochondria

Question 8

Cytoplasmic organelles at which proteins are synthesized.

Answer 8

Ribosomes

Question 9

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

Answer 9

Endoplasmic Reticulum

Question 10

Appears as a sack of flattened membranous sacs, associated with swarms of tiny vesicles

Answer 10

Golgi apparatus

Question 11

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

Answer 11

Lysosomes

Question 12

Elaborate network of protein structures that extends throughout the cytoplasm; acts as bones and muscles of cell

Answer 12

Cytoskeleton

Question 13

A minute body found near the nucleus of the cell composed of microtubules; active in cell divisions.

Answer 13

Centrioles

Question 14

Set of instructions for building a new nucleotide strand

Answer 14

Template

Question 15

Biological units of heredity located in chromatin; transmits hereditary information.

Answer 15

Gene

Question 16

Three-base sequence on the head of (blank) that can bind to the complementary codon

Answer 16

Anticodon

Question 17

One of the primary tissues; covers the surface of the body and lines the body cavities,ducts, and vessels.

Answer 17

Epithelial Tissue

Question 18

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

Answer 18

Gland

Question 19

Nonliving material in connective tissue consisting of ground substance and fibers that separate the living cells.

Answer 19

Extracellular Matrix

Question 20

Cord of dense fibrous tissue attaching a muscle to a bone.

Answer 20

Tendons

Question 21

A cord of fibrous tissue that connects bones

Answer 21

Ligament