Which of the following protein is produced by the enzyme produced in the cell of fingers and toes?
a) albumin
b) haemoglobin
c) keratin
d) pepsin
Explanation: keratin protein forms nails
Which of the following protein is produced by the cells of stomach walls?
a) albumin
b) haemoglobin
c) keratin
d) pepsin
Explanation: pepsin is a digestive enzyme
Why the cells of stomach and fingers produce different proteins despite having identical nuclei?
a) they have different ribosomes
b) they have different golgi complex
c) they have different endoplasmic reticulum
d) they have different cytoplasm
Which of the following play/s important role in the normal development of an embryo?
a) nucleus
b) cytoplasm
c) cell membrane
d) both a and b
Which of the following determine/s the characteristics of the individual?
a) nucleus
b) cytoplasm
c) cell membrane
d) both a and b
Which of the following is/are selectively “turns on” some genes and “switches off” others?
a) nucleus
b) cytoplasm
c) cell membrane
d) both a and b
