When scientists are attempting to breed for increased ability of a plant to utilize carbon dioxide they must consider improvement of:

A. stomatal openings
B. bundle-sheath cells
C. mesophyll air spaces
D. chlorophyll production
E. stress tolerance


B. bundle-sheath cells

Biology & Microbiology

You might also like to view...

The results of the treatment of 20 boys with SCID-X1 showed that ____

a. SCID-X1 can be cured through genetic engineering b. none of those treated were cured of the disease c. a bone marrow transplant can cure SCID-X1 d. our understanding of the human genome exceeds our ability to modify it e. the “treatment” caused numerous unforeseen complications.

Biology & Microbiology

During which stage do chromosomes line up in pairs on the equatorial plane?

A. metaphase I B. telophase I C. anaphase II D. metaphase II E. telophase II

Biology & Microbiology

During this stage of mitosis, the chromosomes become attached to the spindle at their kinetochores.

A. anaphase B. metaphase C. telophase D. prophase E. prometaphase

Biology & Microbiology

Which group of vertebrates possessed an anatomical feature that made evolution of the limbs of all tetrapods possible?

A) reptiles B) amphibians C) lobe-finned fish D) sharks

Biology & Microbiology