Describe why the nucleus is said to be the control center for a cell
What will be an ideal response?
The nucleus is said to be the control center because it contains the genetic information, or directions, for making more than 100,000 proteins. The proteins fulfill structural and functional roles that permit the cell to respond to external changes.
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A/an ____________ is a hollow tube that is inserted into a body cavity to inject or remove fluid
Fill in the blank(s) with correct word
During cellular respiration, the coenzyme NAD would be considered oxidized when
It donated a hydrogen atom It converts to FAD It accepts the hydrogen
The thyroid gland is located
A. anterior to the atria of the heart. B. immediately anterior to the trachea. C. immediately superior to the larynx. D. immediately posterior to the cricoid cartilage.
Which of the following makes breathing more difficult?
a. Increased pulmonary compliance b. Increased airway resistance c. Decreased elastic recoil d. both a and c e. both b and c