Chapter 2/3

Question 0

Adenosine Triphosphate

Answer 0

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

Question 1

Acid

Answer 1

A substance that liberates hydrogen ion concentration when in an aqueous solution; compare with base

Question 2

Base

Answer 2

A substance that excepts hydrogen ions; proton acceptor; compare with acid

Question 3

Carbohydrate

Answer 3

Organic compound composed of carbon, hydrogen, and oxygen;

Includes starches,sugars, cellulose.

Question 4

Enzyme

Answer 4

Substance formed by living cells that acts as a catalyst in chemical reactions in the body.

Question 5

Lipid

Answer 5

Organic compound formed of carbon, hydrogen, and oxygen; examples are fats & cholesterol.

Question 6

Nucleic Acid

Answer 6

Class of organic molecules that includes DNA & RNA

Question 7

pH

Answer 7

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

Question 8

Protein

Answer 8

A complex nitrogenous substance; the main building materials of cells.

Question 9

Nucleus

Answer 9

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

Question 10

Nuclear Membrane

Answer 10

……

Question 11

Chromatin

Answer 11

The structures in her nucleus that carry the heredity factors

Question 12

Chromosomes

Answer 12

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

Question 13

Microvilli

Answer 13

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

Question 14

Cytoplasm

Answer 14

The substance of a cell other than that of the nucleus.

Question 15

Cytosol

Answer 15

The aqueous component of the cytoplasm of a cell

Question 16

Mitochondria

Answer 16

The rod like cytoplasmic organelles responsible for ATP generation.

Question 17

Ribosomes

Answer 17

Cytoplasmic organelles at which proteins are synthesized.

Question 18

Endoplasmic reticulum

Answer 18

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

Question 19

Golgi apparatus

Answer 19

A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells

Question 20

Lysosomes

Answer 20

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

Question 21

Cytoskeleton

Answer 21

A microscopic network of protein filaments and tubules in the cytoplasm of many living cells, giving them shape and coherence.

Question 22

Centrioles

Answer 22

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

Question 23

Template

Answer 23

A Nucleic acid molecule that acts as a pattern for the sequence of assembly of a protein, Nucleic acid., or other large molecule

Question 24

Gene

Answer 24

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

Question 25

Anticodon

Answer 25

A sequence of nucleotides

Question 26

Epithelial Tissue

Answer 26

The outermost layer of skin

- the surface layer of the body

Question 27

Gland

Answer 27

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

Question 28

Tendons

Answer 28

Cord of dense fibrous tissue attaching muscle to a bone

Question 29

Ligaments

Answer 29

A cord of fibrous tissue that connects bones