Lab

Question 1

Cytokines

Answer 1

Signaling molecules that enhances the immune response

Question 2

Muscle cells consist of?

Answer 2

Proteins: actin-thin contractile filament and myosin-thick contractile filament

Question 3

What is a waxy coating called? What does it do?

Answer 3

A waxy coating called the cuticle helps prevent water loss from the epidermis

Question 4

Macrophages:

Answer 4

A type of wbc, surrounds and kills microorganisms, removes dead cells and the stimulates the action of other immune system cells

Question 5

What do parietal cells secrete?

Answer 5

Hydrogen and chloride ions separated into the lumen of the stomach

Question 6

In woody plants protective tissue is called

Answer 6

Periderm

Question 7

Chief cells secrete ———

Answer 7

Inactive pepsinogen, which is activated to pepsin when mixed with hydrochloric acid in the stomach

Question 8

In woody plants protective tissue is called

Answer 8

Periderm

Question 9

Esophagus connects to the

Answer 9

Stomach

Question 10

Lipid and water are what type of vitamins?

Answer 10

Soluble vitamins

Question 11

Ligaments

Answer 11

Attaches two bones together

Question 12

Tendons

Answer 12

Attach bones to muscle

Question 13

Organ is

Answer 13

Several types of tissues

Question 14

What does double fertilization ensure?

Answer 14

That the endosperm only develops in ovules containing fertilized egg

Question 15

B cells become——which releases—-

Answer 15

B cells become plasma cells, which releases antibody and B cells also become memory cells

Question 16

4 floral organs of a flower:

Answer 16

Carpel, stamen, sepal, petal

Question 17

Disulfide bonds=

Answer 17

Covalent link btwn sulfur atoms of 2 cysteine amino acids

Question 18

Mast cells==

Answer 18

Type of connective tissue, they release histamine

Question 19

Xylem:

Answer 19

Transports water from roots up to leaves

Question 20

Phloem

Answer 20

Transports sugars made during photosynthesis, moves from leaves to rest of plants