Why is the biological membrane said to be selectively permeable?

What will be an ideal response?


It allows only some molecules to pass through while barring others.

Biology & Microbiology

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what is the mode of action for quinolones and metronidazol?

What will be an ideal response?

Biology & Microbiology

Which of the following techniques is best suited to study protein interactions?

A) PCR B) The yeast two-hybrid system C) Restriction mapping D) RT-PCR E) Southern blotting

Biology & Microbiology

The structures indicated by the arrows in Figure 4-3 are:a

intermembrane space. b. grana. c. cristae. d. matrices. e. plastids.

Biology & Microbiology

When genes are linked, a few of the recombinant genotypes still occur in the offspring because of

A) mutation. B) linkage. C) independent assortment. D) natural selection. E) crossing over.

Biology & Microbiology