CH 6 Review Questions

Question 1

In a DNA macromolecule, the sequence of ______ determines the characteristics of every living thing

Answer 1

Nitrogenous Organic Bases

Question 2

How many base pairs are there in the human genome

Answer 2

2.9x10^9

Question 3

Radiation induced Chromosome damage may be evaluated during which of the following processes

Answer 3

Metaphase

Question 4

If exposure to ionizing radiation damages there components involved in molecular synthesis beyond repair, cells do what?

Answer 4

Function abnormally or die

Question 5

What produces antibodies?

Answer 5

Lymphocytes

Question 6

Water constitutes approx. _____ of the bodies weight

Answer 6

80-85%

Question 7

What must the human body provide to ensure efficient cell operation

Answer 7

Food, Oxygen, Water

Question 8

What human cell component controls cell division and multiplication as well as biochemical reactions that occur within the cell

Answer 8

Nucleus

Question 9

What is a chemical secretion manufactured by various endocrine glands and carried by the bloodstream to influence other parts of the body?

Answer 9

Hormones

Question 10

Somatic cells divide through the process of

Answer 10

Mitosis

Question 11

Protoplasm is the chemical building material for all living things. It cannot however..

Answer 11

Create oxygen

Question 12

Nucleic acid constitute approximately ____% of cell content

Answer 12

1

Question 13

Ribosomes DO NOT:

Answer 13

Function as the powerhouse of the cell

Question 14

What is NOT a phase of mitosis

Answer 14

Spermatogenesis

Question 15

The ER transports…

Answer 15

mRNA
Food
Waste

Question 16

Lipids make up what percentage of protoplasm

Answer 16

2%

Question 17

Water accounts for what % of protoplasm

Answer 17

80-85%

Question 18

An individual amino acid is called

Answer 18

A monomer

Question 19

Proteins make up what % of cell content

Answer 19

15%

Question 20

4 Primary elements of the human body

Answer 20

Carbon
Hydrogen
Oxygen
Nitrogen

Question 21

Proteins are made up of

Answer 21

Amino Acids

Question 22

Protoplasm is composed of ___ elements

Answer 22

24

Question 23

What holds the largest amounts of RNA?

Answer 23

Nucleolus

Question 24

Cells are made of

Answer 24

protoplasm

Question 25

Purines

Answer 25

Guanine and Adenine

Question 26

Mineral Salts are necessary for…

Answer 26

Cell function and Mineral salts

Question 27

How many different amino acids are involved in protein in protein synthesis

Answer 27

22

Question 28

Cytosine bonds only to

Answer 28

Guanine

Question 29

Adenine bonds only with

Answer 29

Thymine

Question 30

DNA Synthesis phase

Answer 30

S

Question 31

What is a highly coiled strand that is one of two duplicated DNA that appear during cell division

Answer 31

A chromatid