Practice Questions

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#Question id: 11556

During mammalian labor and delivery, the contraction of uterine muscles is enhanced by oxytocin. This is an example of ________.

#SCPH28 | Zoology

a negative feedback system
a hormone that acts in an antagonistic way with another hormone
a hormone that is involved in a positive feedback loop
signal transduction immediately changing gene expression in its target cells

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TLS Online TPP Program

#Question id: 19205

#SCPH01 Biochemistry

Optical biosensor has what kind of biological components in it.

1. Enzyme

2. Antibody

3. DNA/RNA

4. Organ

Which of the following above statements are correct?

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#Question id: 10409

#SCPH06 I Botany

Three main classes of photoreceptors mediate the effects of UV-A/blue light:

a) the cryptochromes,

b) the phototropins,

c) the phytochrome and

d) the ZEITLUPE (ZTL)

Function of these photoreceptors are-

i) that can promote plant photomorphogenesis

ii) plays roles in day length perception and circadian rhythms

iii) regulate chloroplast movements, and stomatal opening

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#Question id: 4905

#SCPH12 I Genetics

Which of the correct feature of genetic material effect?

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#Question id: 1285

#SCPH06 I Botany

Proteoglycans are:

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#Question id: 15464

#SCPH05 I Biotechnology

The quantity of heat required to evaporate 1 kg of a saturated liquid is called