A dichotomous key is used to:

a. locate an organism
b. identify an organism
c. divide a kingdom
d. interbreed species


Ans: b. identify an organism

Biology & Microbiology

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he route that most accurately describes secretory protein movement through the endomembrane system would be

A. Golgi apparatus?smooth endoplasmic reticulum ?lysosome?vesicles?plasma membrane B. plasmid?plasma membrane?nuclear envelope?smooth endoplasmic reticulum?vesicles C. nuclear envelope?vesicles?Golgi apparatus?rough endoplasmic reticulum?plasma membrane D. lysosomes?rough endoplasmic reticulum?smooth endoplasmic reticulum?vesicles?plasma membrane E. rough endoplasmic reticulum?vesicles? Golgi apparatus?vesicles ?plasma membrane

Biology & Microbiology

Which of the following correctly indicates the terms in order of increasing size?

a. oxygen, hemoglobin, red blood cell, capillary b. hemoglobin, oxygen, capillary, red blood cell c. red blood cell, oxygen, capillary, hemoglobin d. capillary, red blood cell, hemoglobin, oxygen

Biology & Microbiology

What part of the cell produces the body's major energy source in the form of adenosine triphosphate (ATP)?

A) Nucleus B) Mitochondria C) Golgi complex D) Endoplasmic reticulum

Biology & Microbiology

If antibiotics seem effective against a human illness, then this illness is probably caused by a/an:

A) virus. B) protist. C) bacterium. D) autoimmune disease.

Biology & Microbiology