Axons and dendrites of individual neurons, arranged in bundles and covered by connective tissue, make up ________
Fill in the blank(s) with correct word
nerves
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Answer the following statements true (T) or false (F)
1. RNA polymerase can bind to the promoter region of the DNA even when the lac repressor is bound to the operator site. 2. Both eukaryotes and prokaryotes require a promoter region for gene transcription. 3. A cis-effect is a form of gene regulation that can occur between two DNA segments that are not physically adjacent. 4. Eukaryotic genes are almost always organized in groups, similar to operons in prokaryotes.
An example of an effector is a(n):
a. sense organ b. efferent neuron c. afferent neuron d. muscle e. interneuron
Each archegonium produces many eggs
_____________________ Indicate whether the statement is true or false.
What is the term used to define a secondary sexual characteristic in males, such as manes on lions or colorful plumage on peacocks?
A. gene flow B. fitness C. sexual selection D. sexual dimorphism