Indicate whether the following statements are true or false
_____ Brains are required for movement.
_____ Cephalization is thought to be an adaptation for forward locomotion.
_____ Cephalization evolved once.
_____ All animals show cephalization.
_____ All members of the Bilateria show cephalization.
_____ Ganglia are nerve cell bodies that provide local processing of sensory information and
result in motor output or another physiological effect.
What will be an ideal response?
f Brains are required for movement.
t Cephalization is thought to be an adaptation for forward locomotion.
f Cephalization evolved once.
t All animals show cephalization.
f All members of the Bilateria show cephalization.
t Ganglia are nerve cell bodies that provide local processing of sensory information and
result in motor output or another physiological effect.
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With __________, offspring inherit the same number
and kinds of genes from one parent. Fill in the blank(s) with the appropriate word(s).
A microbiologist is working with two genera of bacteria, A and B, to determine if cells are competent. Strains are grown under optimal conditions, and DNA fragments that carry the gene for green fluorescent protein are added to each culture at 20-minute intervals. Samples from each treatment are plated to nutrient agar and incubated, after which the plates are examined under an ultraviolet lamp. The microbiologist observes that all plates of bacteria B contain colonies that are fluorescent, while for bacteria A only the plates from stationary phase demonstrate fluorescent colonies. What can be concluded from these results?
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A) 20% B) 10% C) 5% D) 1.5%