The main structure for gas exchange in plants is called the

A. chloroplast.
B. root.
C. mesophyll.
D. epidermis.
E. stomata.


Answer: E

Biology & Microbiology

You might also like to view...

Nondisjunction of X chromosomes may occur during meiosis 1 of oogenesis to form 2 types of eggs. If normal sperm fertilize these two types of egg, which of the following are possible sex chromosome complements?

A. XX and XY B. XYY and XO C. XYY and YO D. XXY and XO E. XXX and XYY

Biology & Microbiology

One of the properties of cancer is its ability to spread, or ____________________, to other sites in the body

Fill in the blank(s) with correct word

Biology & Microbiology

Autosomal recessive traits are ________

a. carried on the X chromosome b. inherited by all children of two carrier parents c. carried on any chromosomes except sex chromosomes d. more common in boys than girls

Biology & Microbiology

Hemophilia is an X-linked recessive trait in humans. If phenotypically normal parents have children without hemophilia, what information could be determined by a pedigree analysis?

A) Neither parent carries the hemophiliac allele. B) None of their children is a carrier of the hemophilia allele. C) None of their children could have hemophiliac children. D) The exact genotypes of the parents or children

Biology & Microbiology