Chapter2/3:

Question 0

Adenosine Triphosphate(ATP)

Answer 0

The compound that is the important intracellular energy source ; cellular energy

Question 1

Acid

Answer 1

A substance that liberates hydrogen ions when in an aqueous solution

Question 2

Base

Answer 2

A substance that accepts hydrogen ions; proton acceptor

Question 3

Carbohydrate

Answer 3

Organic compound composed of carbon, hydrogen, and oxygen ; includes starches, sugar, cellulose

Question 4

Enzyme

Answer 4

A substance formed by living cells that acts as a catalyst in chemical reactions in the body

Question 5

Lipids

Answer 5

Organic compound formed of carbon,hydrogen,and oxygen ; fats and cholesterol

Question 6

Nucleic Acids

Answer 6

Class of organic molecules include DNA and RNA

Question 7

pH

Answer 7

The symbol for hydrogen ion concentration ; a measure of the relative acidity or alkalinity of a solution

Question 8

Protein

Answer 8

A complex nitrogenous substance; the main building material of cells

Question 9

Nucleus

Answer 9

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

Question 10

Chromatin

Answer 10

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

Question 11

Chromosomes

Answer 11

Bar like body of tightly coiled chromatin; visible during cell division

Question 12

Microvilli

Answer 12

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

Question 13

Cytoplasm

Answer 13

The substance of a cell other than that of the nucleus

Question 14

Cytsol

Answer 14

Part of the cytoplasm that is not held by any organelles in the cell

Question 15

Mitochondria

Answer 15

The rod like cytoplasmic organelle responsible for ATP generation

Question 16

Ribosomes

Answer 16

Cytoplasmic organelles at which proteins are synthesized

Question 17

ER

Answer 17

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

Question 18

Golgi Appartus

Answer 18

Packaging organelle like the ER

Question 19

Lysosomes

Answer 19

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

Question 20

Cytoskeleton

Answer 20

Intracellular proteins that help a cell with shape and support and movement

Question 21

Centrioles

Answer 21

A minute body found near the nucleus of the cell composed of microtubules

Question 22

Template

Answer 22

Pattern

Question 23

Gene

Answer 23

Biological units of heredity located in chromatin

Question 24

Anticodon

Answer 24

Sequence that can base pair to one or more codons for an amino acid

Question 25

Epithelial Tissue

Answer 25

Covers the whole surface of the body

Question 26

Gland

Answer 26

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

Question 27

Extracellular matrix

Answer 27

No living material in connective tissue consisting of ground substance and fibers that separate the living cells

Question 28

Tendons

Answer 28

Cord of dense fibrous tissue attaching a muscles to a bone

Question 29

Ligaments

Answer 29

A fibrous connective tissue that connect two bones