Practice Questions

TLS Online TPP Program

#Question id: 5447

Hydrangea plants of the same genotype are planted in a large flower garden. Some of the plants produce blue flowers and others pink flowers. This can be best explained by which of the following?

#8. Inheritance Biology

the knowledge that multiple alleles are involved
the allele for blue hydrangea is completely dominant over the allele for pink hydrangea
the alleles are codominant
environmental factors such as soil pH affect the phenotype

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TLS Online TPP Program

#Question id: 12723

#6. System Physiology – Plant

GroEL, GroES is an example of the prokaryotic cell, this HSP protein is belong to the which of the following HSP class?

TLS Online TPP Program

#Question id: 12724

#6. System Physiology – Plant

In response to sudden, 5 to 10°C rises in temperature, plants produce a unique set of proteins referred to as heat shock proteins (HSPs). There are five classes of heat shock proteins found in plants such as;

HSP class

Examples (Arabidopsis / prokaryotic)

Cellular location

I) HSP100

a) AtTCP-1 / GroEL, GroES

i) Cytosol

II) HSP90

b) Various AtHSP22, AtHSP20, AtHSP18.2, AtHSP17.6 / IBPA/B

ii) mitochondria

III) HSP70

c) AtHSP101 / ClpB, ClpA/C

iii) chloroplasts