The oldest cells in a mature leaf are found ____

a. at the base of the leaf
b. near the very center of the leaf
c. at the stomata
d. at the leaf tip
e. as files of cells at the widest point of the leaf


ANSWER: d

Biology & Microbiology

You might also like to view...

How does a species benefit from engaging in mimicry?

a. Discouraging predators b. Obtaining energy c. Preventing parasites d. Increasing habitat size

Biology & Microbiology

Four of the five groups listed below are in the domain Eukarya. Select the exception

a. plants b. protists c. animals d. fungi e. bacteria

Biology & Microbiology

In large populations, the Hardy-Weinberg equilibrium principle can be used to determine whether evolution is occurring

For instances where allelic frequencies are indicated by p and q, the resultant genotype frequencies are indicated by which of the following equations? A) p2 + q2 B) p2 + pq + q2 C) p2 + 2pq + q2 D) p2 + (pq)2 + q2

Biology & Microbiology

Which cells' direct involvement are required for cell-mediated immunity?

A. bacterial cells B. T-cells C. viral components D. B-cells E. neutrophils

Biology & Microbiology