题目内容

Ribosomes are made up of ____subunits. ()

A. 0 (They are whole.)
B. 2
C. 3
D. 4

查看答案
更多问题

Proteins synthesized in association with the endoplasmic reticulum are synthesized by: ()

A. ribosomes within the endoplasmic reticulum, with the messenger RNA passed through a translocon in the membrane
B. ribosomes initially free in the cytosol, but guided to the endoplasmic reticulum when the nascent protein contains a signal sequence at the amino-terminus
C. ribosomes permanently attached to the endoplasmic reticulum membrane
D. ribosomes that first attach to the endoplasmic reticulum and then to mRNA which they translate

The rough ER is so named because it has an abundance of __________on it. ()

A. mitochondria
B. lysosomes
C. Golgi bodies
D. ribosomes

You would expect a cell with an extensive Golgi apparatus to ()

A. secrete a lot of material
B. make a lot of ATP
C. move actively
D. perform photosynthesis

1.toddler age is from what time to what time?

A. from delivery to 1 year old
B. from 1 to 3 years old
C. from fertilized ovum to delivery
D. from umbilical ligation to 28thday
E. from 6-7 years old to adolescence

答案查题题库