What is the controls passage of materials into and out of the cell?

What is the controls passage of materials into and out of the cell?
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Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction

Description : Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction

Last Answer : Ans. ((a))

A combination of equipment and controls which handles, stores and retrieves materials withprecision,accuracy and speed under a defined degree of automation is known as ____ a.Automated storage and retrieval system (AS/RS) b.Flexible manufacturing system c.Automated guided vehicle d.None of the above

Description : A combination of equipment and controls which handles, stores and retrieves materials withprecision,accuracy and speed under a defined degree of automation is known as ____ a.Automated storage and retrieval system (AS/RS) b.Flexible manufacturing system c.Automated guided vehicle d.None of the above

Last Answer : a.Automated storage and retrieval system (AS/RS)

Homeostasis is (a) tendency of biological systems to change with change in environment (b) tendency of biological systems to resist change (c) disturbance of self regulatory system and natural controls (d) biotic materials used in homeopathic medicines.

Description : Homeostasis is (a) tendency of biological systems to change with change in environment (b) tendency of biological systems to resist change (c) disturbance of self regulatory system and natural controls (d) biotic materials used in homeopathic medicines.

Last Answer : (b) tendency of biological systems to resist change

The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

Description : The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane

Last Answer : Answer : B

Which one controls cell function ?

Last Answer : The nucleus controls cell function.

What factor controls and regulate cell division?

Description : What factor controls and regulate cell division?

Last Answer : There are several factors that control and regulate celldivision. They are CDKs, or cyclin depending protein kinases.Cyclins are a class of regulatory proteins in the cell.

Abscisic acid controls (a) cell division (b) leaf fall and dormancy (c) shoot elongation (d) cell elongation and wall formation.

Description : Abscisic acid controls (a) cell division (b) leaf fall and dormancy (c) shoot elongation (d) cell elongation and wall formation.

Last Answer : b) leaf fall and dormancy

The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of apoferritin-ferritin interconversion in the mucosal cell C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell

Description : The gut controls the entry of ingested iron in the body by: A. Regulating the availability of apoferritin which acts as the carrier of iron across the mucosal cell B. Regulating the turnover of ... mucosal cell and is shed off D. Regulating the number of transferrin receptors on the mucosal cell

Last Answer : C. Complexing excess iron to form ferritin which remains stored in the mucosal cell and is shed off