Alternate forms of genes resulting from mutations are called
A. alterons.
B. isoforms.
C. lethal.
D. alleles.
Answer: D
You might also like to view...
In a small population of alpine foxes, you observe increased ear length over a ten-year period. Can you conclude that increase in ear length is advantageous in this population?
A) Yes B) No
The outside of a neuron is positively charged at resting potential. Why don't negative ions exit from the cell to normalize charge across the membrane?
A. The positive charge outside the cell repels negative ions. B. There are no negative ions inside the cell. C. All of the chloride ions are already outside the cell. D. The negative charge inside the cell is carried by large proteins that cannot diffuse through the membrane.
An infection of the thin layer of tissue around the inner cavities of the heart itself would affect the ________
A) pericardium B) endocardium C) myocardium D) sinoatrial node
How does loading of most carbohydrates into companion cells at a source occur?
a. by diffusion of water from the xylem b. by osmosis c. by active transport d. by proton pumping