(26) If a human cell placed in hypertonic solution

a. cell will swell

b. cell will remain unchanged

c. the cell will shrink

d. cell be burst

(27) Elodea is

a. a fungi

b. a green aquatic plant

c. a protist

d. a mold

(28) Vinegar diffuses into bromothymol-dyed cubes similar to how nutrients diffuse into cells

a. true

b. false

(29) The following enzyme breaks down protein in our stomach

a. protease

b. hydrochloric acid

c. all choices are correct

d. catalase

e. amylase

(30) A base is a substance that dissolves in water_____________

a. none of these choices are correct

b. to absorb OH-ions

c. to release OH-ions

d. to release oxygen molecules

(31) 83 cm = 8.3×1000?m

a. true

b. false

(32) In writing a report, the abstract goes at the beginning of the report.

a. true

b. false

(33) The high molecular weight solutes are transported down aconcentration gradient via diffusion.

a. true

b. false

(34) When acid dissolves in water _______________

a. hydrogen ions are released

b. none of the choices are correct

c. carbon dioxide is released

d. oxygen is released

e. OH ions are released

(35) “George did not sleep at all last night because he was up finishing his paper”. This is

a. no testable hypothesis

b. testable hypothesis

c. not a hypothesis

(36) 451,000,000 ?m is equal to

a. 4510m

b. 451m

c. 45m

d. 4.51m

e. 45.1m

(37) The following molecule will be generally impermeable to a biological membrane system.

a. water

b. oxygen

c. uncharged solute

d. carbon dioxide

e. polysaccharide

(38) A testable hypothesis can be deduced from the following information.”The teller at the bank with brown hair and brown eyes is taller than the other tellers”

a. true

b. false

(39) The optimal pH for seed germination is between

a. 4-7

b. 6.0 – 6.5

c. 6-7

d. 6-8

(40) Catalase is

a. an enzyme

b. faty acid

c. a polysaccharide

d. a large protein

e. disaccharide

(41) Hydrogenase is an enzyme that is vital to break down ____________ in human and plant cells

a. none of the choices are correct

b. sodium bicarbonate

c. hydrogen superoxide

d. hydrogen monoxide

e. hydrogen peroxide

(42) Oxygen passes through the cell membrane by a process called osmosis

a. true

b. false

(43) The following is a base

a. fresh yogurt

b. milk

c. orange juice

d. mild lemon juice

(44) The more the enzyme, the higher the reaction rate. If there are more enzyme molecule than are needed,adding additional enzyme will increase the rate of reaction.

a. true

b. false

(45) Chlorophyll does not absorb green light

a. true

b. false

(46) Testable hypotheses will never include things that cannot be physically measured or determined

a. true

b. false

(47) Carotenoid does not absorb colors with wavelength above about 550 nm

a. true

b. false

(48) When sucrose is dissolved in water, a solution is formed. In this solution the solute is the water.

a. true

b. false

(49) A genotype is the composite of an organism’s observable characteristics or traits.

a. true

b. false

(50) Some plants are more tolerant of a broad range of pHs. One example is the hydrangea flower, which turns blue in basic conditions and pink in alkaline conditions

a. true

b. false