New Science

Question 1

Inherited Physical Characteristics are called?

Answer 1

Traits

Question 2

Small Section of DNA that control the traits of an organism are called?

Answer 2

genes

Question 3

The molecule carrying the chemical code that tells what to do is called?

Answer 3

DNA

Question 4

The passing of traits from parents to offspring is called?

Answer 4

heredity

Question 5

The shape of the DNA molecule was discovered by

Answer 5

James Watson and Francis Crick

Question 6

The DNA molecule is something called a____ because it is shaped like a twisted spiral ladder

Answer 6

double helix

Question 7

DNA rungs are formed four molecule called?

Answer 7

bases

Question 8

consists of the brain and spinal cord; makes decisions and controls the body’s actions

Answer 8

central nervous system

Question 9

consists of neurons all over the body; communicates about what goes on in and around the body

Answer 9

peripheral nervous system

Question 10

the main pathway of information that connects the brain to the rest of the body

Answer 10

spinal cord

Question 11

a nerve cell

Answer 11

neuron

Question 12

the gap between neurons over which impulses cross

Answer 12

synapse

Question 13

receives the electrical impulse from another neuron

Answer 13

dendrite

Question 14

sends the electrical impulse on to the next neuron

Answer 14

axon

Question 15

The largest part of the brain is the

Answer 15

Cerebrum

Question 16

The __________ controls balance and muscle coordination.

Answer 16

cerebellum

Question 17

The __________ __________ connects the brain to the spinal cord.

Answer 17

brain stem

Question 18

Special proteins produced by white blood cells that can destroy pathogens are called

antibiotics
antibodies

Answer 18

antibodies

Question 19

The body’s specific defense is called the

immune response
inflammatory response

Answer 19

immune response

Question 20

Chemicals made by microorganisms that are able to destroy other microorganisms are called

antibiotics
antibodies

Answer 20

antibiotics

Question 21

White blood cells that remember pathogens and the specific antibodies needed to defeat them are called

macrophages
memory cells

Answer 21

memory cells

Question 22

When white blood cells mistakenly identify harmless foreign particles as an enemy, an __________ may happen.

allergic reaction
antibody

Answer 22

allergic reaction

Question 23

Some pathogens can be killed by fevers.

True Or False

Answer 23

True

Question 24

Nonspecific defenses include an increase of white blood cells and an inflammatory response.

True or False

Answer 24

True

Question 25

Louis Pasteur discovered that a mold called penicillin kills bacteria. True or False

Answer 25

False

Question 26

An autoimmune disease occurs when the immune system attacks healthy cells that it should protect. True or False

Answer 26

True

Question 27

Scabs, sweat, tears, and earwax are some of the body’s defensive barriers. True or False

Answer 27

True

Question 28

controls skeletal muscle movements

Answer 28

somatic nervous system

Question 29

controls involuntary activities

Answer 29

autonomic nervous system

Question 30

Which nerve carries impulses from the ear to the brain

Answer 30

auditory nerve

Question 31

Where are most of the body’s hormones produced?

Answer 31

endocrine glands

Question 32

Which gland produces a growth hormone and hormones that control other glands?

Answer 32

pituitary