TLS Online TPP Program

#Question id: 869


Which statements are correct regarding protein folding

A. Many molecular chaperones were first described as heat shock proteins (Hsp) because Their rate of synthesis is increased at elevated temperatures

B. The renaturation of a denatured protein in vitro may not entirely mimic the folding of a protein in vivo.

C. Molecular chaperones are essential proteins that bind to only partially folded polypeptide chains.

D. Molecular chaperones function to lift folding polypeptides out of the false minima in their folding funnel.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. A & B

  2. A, B & C

  3. A, B, C & D

  4. A, B & D

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TLS Online TPP Program

#Question id: 7151

#Unit 5. Developmental Biology

In developmental biology, what is meant by the concept of "growth"?

a) Growth occurs through increases in cell size.

b) Growth occurs through increases in cell number.

c) Growth can result from increases in the volume of extracellular matrix between cells.

d) Cell death is an important determinant of overall growth.

Which of the following is correct?

TLS Online TPP Program

#Question id: 707

#Unit 1. Molecules and their Interaction Relevant to Biology

A repeating structural unit in a multimeric protein is known as a(n):

TLS Online TPP Program

#Question id: 4921

#Unit 8. Inheritance Biology

Shell coiling in snail determine by genetic maternal effect. S for dextral and s for sinistral.  Following cross allowed between

Male

Female

Progeny   (Genotype)

Dextral

sinistral

Dextral (K1)

Dextral

Sinistral

Sinistral (K2)

Sinistral

sinistral

Dextral (K3)

Dextral

Dextral

Sinistral (K4)

Which of the following progeny not have SS genotype?

TLS Online TPP Program

#Question id: 28313

#Unit 5. Developmental Biology

During acrosome-reacted sperm pathway sperm that have undergone the acrosome reaction bind directly to which of the glycoprotein?

TLS Online TPP Program

#Question id: 12102

#Unit 10. Ecological Principles

Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions


Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?