The midrib of a leaf

a. contains the midvein.
b. contains only xylem.
c. is part of the spongy mesophyll.
d. contains only phloem.


b

Biology & Microbiology

You might also like to view...

A five-carbon sugar connected to a purine or pyrimidine ring is most accurately referred to as a(n) ____

Help with this one, please? Thank you.

Biology & Microbiology

Discuss the advantages and disadvantages of self-pollination

What will be an ideal response?

Biology & Microbiology

The granules of neutrophils contain ________.

A. histamine B. antigens C. digestive enzymes D. peroxidase E. antibodies

Biology & Microbiology

Cellular adaptive immunity is carried out by ________.

A) B cells B) T cells C) bone marrow D) neutrophils

Biology & Microbiology