مركز الاختبارات الالكترونية و المحوسبة

الامتحان الثاني للعلوم الحياتية 1||اللجان الطلابية

رقم السؤال: 1 درجة السؤال: 1

plasmolysis

receptor mediated endocytosis

exocytosis

pinocytosis

phagocytosis

رقم السؤال: 2 درجة السؤال: 1

transport Na down their concentration gradient

transport K down their concentration gradient

an electrogenic pump

transport Na and k through protein channel

all of the above

رقم السؤال: 3 درجة السؤال: 1

enzyme and substrate

ATP and mechanical work

enderogonic and spontaneous

none of the above

رقم السؤال: 4 درجة السؤال: 1

require energy

is highly specific for a particular molecule

move molecule down their gradient only

only B and c correct

all of they are correct

رقم السؤال: 5 درجة السؤال: 1

active transport

endocytosis

exocytosis

facilitated diffusion

رقم السؤال: 6 درجة السؤال: 1

amphipathic

sandwished between two layers of proteins

hold togather by ester bond

rarely move leterally

both A and C

رقم السؤال: 7 درجة السؤال: 1

receptor mediated endocytosis

simple diffusion

active transport

facilitated diffusion

cotransport with Na

رقم السؤال: 8 درجة السؤال: 1

coenzyme

cofactor

substrate

product

inhibitor

رقم السؤال: 9 درجة السؤال: 1

membrane lipids bilayer

membrane aquaporin

active transport system

cotransport Na ions

cotransport H+

رقم السؤال: 10 درجة السؤال: 1

isotonis

hypotonic

hypertonic

dead sea warter

رقم السؤال: 11 درجة السؤال: 1

plasmolysis

receptor mediated endocytosis

exocytosis

pinocytosis

phagocytosis

رقم السؤال: 12 درجة السؤال: 1

glygolipids

saturated fatty acid

cholestrol

triglysarol

رقم السؤال: 13 درجة السؤال: 1

changing the shape of the enzyme

binding with the substrate

blocking the active site of the enzyme

modifying the product of reaction

رقم السؤال: 14 درجة السؤال: 1

hydrolysis

synthesized

loses phosphate groups

A AND C

None of the above

رقم السؤال: 15 درجة السؤال: 1

facilitated diffusion

exocytosis

endocytosis

pinocytosis

sodium potassium pump

رقم السؤال: 16 درجة السؤال: 1

(lowering activation of energy (EA

increasing the amount of heat required to begin

allowing reactant to reach transition state faster

all of the above

A and C are true

رقم السؤال: 17 درجة السؤال: 1

DNA nucliotide

an amino acid with 3 phosphate groups

RNA nucleotide

phospholipids

رقم السؤال: 18 درجة السؤال: 1

simple diffusion

faciliated diffusion

active transport

cotransport

pinocytosis

رقم السؤال: 19 درجة السؤال: 1

allosteric side

N-terminus

C-terminus

active site

none

رقم السؤال: 20 درجة السؤال: 1

is the second step in the oxidation of glucose

is processed used to oxidase fatty acid

is a process used to delaminate amino acid

is a process used to digest some polysacaride

both B and C are true

رقم السؤال: 21 درجة السؤال: 1

hypertonic

isotonic

hypotonic

any of the above

رقم السؤال: 22 درجة السؤال: 1

facilitated diffusion

exocytosis

phagocytosis

pinocytosis

sodium potassium pamp

رقم السؤال: 23 درجة السؤال: 1

enzymatic activity

RNA production

facilitated diffusion

hormonal receptors

intracellular joining

رقم السؤال: 24 درجة السؤال: 1

lipids

nucleic acid

proteins

glycolipids

all of them

رقم السؤال: 25 درجة السؤال: 1

decrease rate of the reaction

lowering the activation of energy

change the direction of chemical reaction

permanently alter their structure by the reaction their catalyze

provide activation energy for the reaction they catalyze

رقم السؤال: 26 درجة السؤال: 1

cell movement

Na an K pump

glycolysis

active transport

diffusion

رقم السؤال: 27 درجة السؤال: 1

glucose and oxgeyn

glucose and water

carbon dioxide and O2

hydrocarbon and k ions

both c and D

رقم السؤال: 28 درجة السؤال: 1

7.3

1.2

20.5

180

168

رقم السؤال: 29 درجة السؤال: 1

pump excess water outside the cell

help paramecium live in fresh water

involved in phagocytosis

involved in pinocytosis

only A and B

رقم السؤال: 30 درجة السؤال: 1

activiation energy

kinetec energy

thermal energy

heat

none of the following

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من نحن | شروط الاستخدام | سياسة الخصوصية