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الامتحان الثاني للعلوم الحياتية 1||اللجان الطلابية
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مدة الامتحان 40 دقيقة وعدد الاسئلة 30 ودرجة الاختبار من 30
مع امنياتنا لكم بالتوفيق
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Q1
Score: 1
enzyme and substrate
ATP and mechanical work
enderogonic and spontaneous
none of the above
Q2
Score: 1
coenzyme
cofactor
substrate
product
inhibitor
Q3
Score: 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
Q4
Score: 1
enzymatic activity
RNA production
facilitated diffusion
hormonal receptors
intracellular joining
Q5
Score: 1
receptor mediated endocytosis
simple diffusion
active transport
facilitated diffusion
cotransport with Na
Q6
Score: 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
Q7
Score: 1
DNA nucliotide
an amino acid with 3 phosphate groups
RNA nucleotide
phospholipids
Q8
Score: 1
plasmolysis
receptor mediated endocytosis
exocytosis
pinocytosis
phagocytosis
Q9
Score: 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
Q10
Score: 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
Q11
Score: 1
cell movement
Na an K pump
glycolysis
active transport
diffusion
Q12
Score: 1
active transport
endocytosis
exocytosis
facilitated diffusion
Q13
Score: 1
amphipathic
sandwished between two layers of proteins
hold togather by ester bond
rarely move leterally
both A and C
Q14
Score: 1
facilitated diffusion
exocytosis
endocytosis
pinocytosis
sodium potassium pump
Q15
Score: 1
hydrolysis
synthesized
loses phosphate groups
A AND C
None of the above
Q16
Score: 1
glucose and oxgeyn
glucose and water
carbon dioxide and O2
hydrocarbon and k ions
both c and D
Q17
Score: 1
isotonis
hypotonic
hypertonic
dead sea warter
Q18
Score: 1
allosteric side
N-terminus
C-terminus
active site
none
Q19
Score: 1
changing the shape of the enzyme
binding with the substrate
blocking the active site of the enzyme
modifying the product of reaction
Q20
Score: 1
plasmolysis
receptor mediated endocytosis
exocytosis
pinocytosis
phagocytosis
Q21
Score: 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
Q22
Score: 1
7.3
1.2
20.5
180
168
Q23
Score: 1
hypertonic
isotonic
hypotonic
any of the above
Q24
Score: 1
facilitated diffusion
exocytosis
phagocytosis
pinocytosis
sodium potassium pamp
Q25
Score: 1
glygolipids
saturated fatty acid
cholestrol
triglysarol
Q26
Score: 1
activiation energy
kinetec energy
thermal energy
heat
none of the following
Q27
Score: 1
lipids
nucleic acid
proteins
glycolipids
all of them
Q28
Score: 1
membrane lipids bilayer
membrane aquaporin
active transport system
cotransport Na ions
cotransport H+
Q29
Score: 1
simple diffusion
faciliated diffusion
active transport
cotransport
pinocytosis
Q30
Score: 1
pump excess water outside the cell
help paramecium live in fresh water
involved in phagocytosis
involved in pinocytosis
only A and B
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