# 1pilihan
short day plant will flower when there is a
low level of Pfr
high level of Pfr
medium level of Pfr
no Pfr
chap 10 1.0
NUR 'AFIQAH BI
Ikut Turutan
Universiti
Sains
chap 10 1.0
51
Universiti
Sains
chap 10 1.0
51
20 soalan
Allow incorrect answer
Sembunyikan jawapan
public kuiz
# 2pilihan
high level of Pfr in long day plant will make the plant
not flowering
die
flowering
live longer
# 3pilihan
similarities between steroid and non-steroid hormone [can choose more than one]
both act on specific target cell
both bind to specific receptor
both produce cAMP
both form hormone-receptor complex
# 4pilihan
role of myelin sheath
block impulse transmission
slow down the rate of impulse transmission
speed up the rate of impulse transmission
add more impulse
# 5Jawapan pendek
protein involve in photoperiodism
phytochrome
# 6pilihan
factor that made impulse unidirectional
photo period
refractory period
all or none event
speed of conduction
# 7pilihan
what does a high level of Pfr in long day plant do
doesn't stimulate dopamine to prevent flowering
doesn't stimulate florigen to prevent flowering
stimulate dopamine to induce flowering
stimulate florigen to induce flowering
# 8pilihan
type of hormone in animal [can choose more than one]
steroid and water soluble
water soluble and non-steroid
lipid soluble and steroid
lipid soluble and non-steroid
# 9pilihan
mechanism of hormone action for steroid hormone
gene activation
second messenger
first messenger
gene inactivation
# 10pilihan
roles of ATP in muscle contraction [can choose more than one]
energizing power stroke
use in glycolysis
pump calcium ion into sarcoplasmic recticulum
detach myosin head from myosin binding site
# 11Jawapan pendek
theory of muscle contraction
sliding filament theory
# 12pilihan
role of sarcoplasmic reticulum
produce and release calcium ion
store and release calcium ion
produce and store calcium ion
release calcium ion
# 13pilihan
when do myosin head bind to myosin binding site
when in its high-energy configuration and myosin binding sites are exposed
when in its high-energy configuration
myosin binding sites are exposed
when in its low-energy configuration
# 14pilihan
myosin head has
transferase
isomerase
ATPase
oxidoreductase
# 15pilihan
what did the myosin head form when it binds to the myosin binding site
circle bridges
cross bridges
plus bridges
triangle bridges
# 16pilihan
thin filament consists of [can choose more than one]
troponin
troponin complex
tropomyosin
actin
# 17pilihan
when muscle contract
H zone decrease in length
M line and A band decrease in length
H zone and I band decrease in length
I band decrease in length
# 18Jawapan pendek
what is the name of region in sarcomere that has thin filament only
I band
# 19pilihan
neurotransmitter involve in muscle contraction
norepinephrine
dopamine
cocaine
acetycholine
# 20Jawapan pendek
name of the location where neuron and muscle meet
neuromuscular junction
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