The concept of endosymbiosis is widely accepted. What kind of relationship is it?

A. Neither organism benefits.
B. One organism benefits, but the other is not affected.
C. One organism in the partnership benefits, and the other is harmed.
D. Both organisms in the partnership benefit.


Answer: D

Biology & Microbiology

You might also like to view...

Four of the five answers listed below are functions performed by the same organ. Select the exception

a. regulates pH of body fluids b. removes toxic substances from the blood c. storage and interconversion of carbohydrates, fats, and proteins d. inactivates hormones e. formation of urea from nitrogenous waste

Biology & Microbiology

Which of the following is not an activated monomer?

A) adenosine triphosphate B) glucose-6-phosphate C) aminoacyl tRNA D) amino acid E) uracil triphosphate

Biology & Microbiology

Quantitative traits typically have multiple genetic influences in which alleles of a number of genes contribute individual amounts to the final phenotype without classical dominance or epistasis

The term used for the observed variation that results from this is A) VA. B) VD. C) VE. D) VG. E) VI.

Biology & Microbiology

What is responsible for the selective permeability of a cell membrane?

a. the position of cholesterol in the membrane bilayer b. the integral proteins of the membrane c. the hydrophobic core formed by the phospholipid tails d. the hydrophilic end facing the cell exterior

Biology & Microbiology