Home
Class 11
BIOLOGY
The channels and pumps that control mole...

The channels and pumps that control molecular traffic in and out of a cells are collectively known as

A

intrinsic proteins

B

permeases

C

receptors

D

cytochromes

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|303 Videos
  • CHEMICAL COORDINATION AND INTEGRATION

    TRUEMAN BIOLOGY|Exercise Multiple choice questions|177 Videos

Similar Questions

Explore conceptually related problems

The embryo at 16 celled stage is known as

A process by which a part of genetic material separated from a broken cell is transferred to another cell is known as

[A] : Usually the cells of animals and plants have controlled growth . [R] : In certain special circumstances the cells begin to grow and multiply continuously , forming tumors.

A student collected an alga and found that its cells contain both chl a and chl d as well as phycoerythrin but no chl b and flagella. The alga bolongs to

The chemical substances released by activated spermatozoa that acts on the ground substances of the follicle cells is known as

Glomerular filtrate is 1. formed continuously by the process of ultrafiltration occurring at Malpighian corpuscles, in which the blood cells and the colloidal macromolecules are not allowed to pass across the filtering surface 2. the electrolyte free fluid collected within the lumen of Bawman's capsule 3. the protein free fluid collected within the lumen of Bowman's capsule 4. formed by the process of selective reabsorption

Go through the following statements: (i) a typical nucleosome contains 400 bp of DNA helix. (ii) The positively charged DNA is wrapped around the negatively charged histoned octamer to form a structure called nucleosome. (iii) Histones are rich in the basic amino acid residues asparagine ad valine (iv) The packaging of chromatin at higher level requires additional set of proteins that collectively are referred to as nonhistone chromosomal proteins. Find out the wrong statements:-

A passive hydathode comprises a group of loosely arranged colourless and parechymatous cells known as

How do substance like CO_(2) and water move in and out of the cell ? Discuss.