In the resting, unstimulated (no ligand bound) state, the intrinsic kinase activity of an RTK is very low because:

Activation loop is not phosphorylated

Activation loop is phosphorylated

Phosphorylated loop prevents binding of substrate

Unphosphorylated loop prevents binding of substrate

Which of the following combination is incorrect?

#Question id: 33482

#Unit 2. Cellular Organization

#Question id: 28457

#Unit 5. Developmental Biology

In which case of vulva formation in C.elegan, precursor cell has the ability to become hypodermis ?

#Question id: 11289

#Unit 10. Ecological Principles

Consumption efficiency (CE) is the proportion of production at one trophic level (Prodn n-1) that is eaten by, or ingested, by the next trophic level (In) but Assimilation efficiency (AE) is the proportion of ingested energy assimilated in to blood stream

Which of the following is incorrect statement?

A) In terrestrial herbivore, AE is greater than CE

B) In aquatic herbivore AE is equal to CE 

C) CE of grass land herbivore is often greater than forest herbivore

D) AE of herbivore is often greater than carnivore

#Question id: 5790

#Unit 8. Inheritance Biology

The codon for leucine is CUC. How many different amino acids could possibly result from single-base substitutions?

#Question id: 2243

#Unit 2. Cellular Organization

Features of the fluid mosaic model of membrane structure include:

A. a lipid bilayer.

B. dynamic motion of both membrane lipids and proteins.

C. proteins that may either rest on the surface or penetrate the membrane.

D. the hydrophobic core of the bilayer prevents the unassisted movement of water-soluble substances from one side to the other.

E. Covalent interactions between phospholipids, and between phospholipids and proteins, lend strength and resilience to the membrane.

Which of the following is correct?