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【多选题】
The interactions between hormones are（ ）
A.
Mutual antagonism
B.
Synergy
C.
Competition
D.
Feedback
E.
Allow function
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举一反三
【单选题】Mitochondrial DNA replicates in（ ）
A.
dispersive replication
B.
D-loop replication
C.
reverse transcription
D.
conservative replication
【单选题】Which is NOT a final product of gene expression?（ ）
A.
mRNA
B.
protein
C.
rRNA
D.
tRNA
【单选题】The Shine-Dalgarno sequence is found on the ________. （ ）
A.
large ribosomal subunit
B.
mRNA
C.
small ribosomal subunit
D.
initiator tRNA
【多选题】During calm breathing, the phase when the pulmonary pressure is equal to atmospheric pressure is（ ）
A.
At the beginning of inhalation
B.
At the end of inhalation
C.
During exhalation
D.
At the beginning of exhalation
E.
At the end of exhalation
【多选题】The increase in systolic blood pressure during strenuous exercise is due to（ ）
A.
Increased stroke volume
B.
Increased heart rate
C.
Increased initial length of myocardium
D.
Increased venous return blood volume
E.
Increased myocardial contractility
【多选题】What should not be present in normal urine（ ）
A.
Glucose
B.
NaCl
C.
Urea
D.
Protein
E.
Red blood cells
【单选题】In prokaryotes, RNA polymerase can bind upstream sequences of promoters directly. Eukaryotes need some proteins to facilitate the binding. What are the names of these proteins? （ ）
A.
Introns
B.
TATA box proteins
C.
Exons
D.
Transcription factors
【多选题】In order to relax the muscle, which point can be suppressed during the process of the nerve-muscle junction（ ）
A.
Release of ACh from nerve endings
B.
Nerve terminal cytoplasmic Ca2+
C.
ACh receptor gated channel on endplate membrane
D.
Ca2+ channels in nerve endings
E.
cholinesterase on endplate membrane
【多选题】The physiological effects of glucocorticoids are（ ）
A.
Enhance the body's resistance to stress stimulation
B.
Increase hepatic glycogenesis and decrease sugar utilization
C.
Promote catecholamine degradation
D.
Increase the secretion of gastric acid and pepsinogen
E.
Lower the number of lymphocytes
【多选题】Which is correct in the following statement about peripheral neurotransmitters（ ）
A.
Acetylcholine is the transmitter released by most parasympathetic postganglia fibers
B.
The transmitter released by autonomic preganglionic fibers is acetylcholine
C.
The transmitter released by somatic motor nerve endings is acetylcholine
D.
Norepinephrine is the transmitter released by all sympathetic postganglionic fibers
E.
Purine and peptide transmitters are released by nerve plexus cells in the gastrointestinal wall