Some animal species found in caves have tiny, nonfunctional eyes. These are best described as

A) mutations. B) analogous structures.
C) homologous structures. D) vestigial structures.


D

Biology & Microbiology

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The cell membrane is a rigid structure that provides bacteria with their characteristic shapes.

Answer the following statement true (T) or false (F)

Biology & Microbiology

These are responsible for cell shape, internal organization, and movements

a. ribosomes b. cytoskeleton c. vesicles d. Golgi bodies e. endoplasmic reticulum

Biology & Microbiology

Tricyclic antidepressants, such as imipramine hydrochloride, have been prescribed for treatment of ADHD (attention deficit hyperactivity disorder) to enhance neural circuit activity because they affect the reuptake of excitatory neurotransmitters

Predict the effect of such drugs on the postsynaptic neuron and explain your rationale. What will be an ideal response?

Biology & Microbiology

In the cross AaBbCc × AaBbCc, what is the probability of producing the genotype AABBCC?

A) 1/4 B) 1/8 C) 1/16 D) 1/64

Biology & Microbiology