Accommodation refers to the adjustment of the lens curvature by the ciliary muscle when you focus on near or far objects.

a. true
b. false


Answer: a. true

Biology & Microbiology

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Day length is sensed by the flower buds of a plant, not their leaves

A. true B. false

Biology & Microbiology

How does the body use absorbed fatty acids?

What will be an ideal response?

Biology & Microbiology

Before mRNA can be used in translation (the making of a new protein), nonfunctional segments of the gene that have been transcribed into the strand of pre-mRNA have to be "edited" out. The nonfunctional parts of the gene are cut out (and the functional parts spliced together) by a special type of enzyme. What are these enzymes called?

a) introns b) exons c) genomes d) snRNPs ("snurps") e) polyribosomes

Biology & Microbiology

Suppose a region of DNA is 100 bp long. How many unique sequences could it potentially represent?

A) 1004 B) 4100 C) 400 D) 4,000 E) 10,000

Biology & Microbiology