Frogs and toads belong to the ____ lineage

a. Caudata
b. Aves
c. Squamata
d. Gymnophiona
e. Anura


ANSWER: e

Biology & Microbiology

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A researcher creates a mutant pea plant in which cytokinins are over-expressed and gibberellic acid is under-expressed. What is the most likely phenotype of this mutant pea plant?

A. The pea plant would be shorter with more branches compared to wild-type plants. B. The pea plant would be taller with more branches compared to wild-type plants. C. The pea plant would be shorter with fewer branches compared to wild-type plants. D. The pea plant would be taller with fewer branches compared to wild-type plants.

Biology & Microbiology

The ploidy of cells characteristic of an aneuploid is best represented by which of the following?

A) 2n + 1 B) n C) 2n D) 4n E) both choices B and C

Biology & Microbiology

The stage of mitosis characterized by the physical separation of sister chromatids is called:

A. Telophase B. Prometaphase C. Anaphase D. Metaphase

Biology & Microbiology

In the previous unit, you learned about organ systems. Name three organ systems in humans that are affected by the endocrine system. For each organ system named, identify a hormone that influences that system. For each hormone named, describe how the hormone works to alter the organ system.

What will be an ideal response?

Biology & Microbiology