If the wall of a dry fruit splits along definite seams to release the seeds inside, the fruit is categorized as ________
a. a berry
b. dehiscent
c. indehiscent
d. a drupe
b
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Which type of regulatory protein(s) is/are present in Archaea?
A) Activators that stimulate RNA polymerase activity are present in Archaea. B) Repressors that block RNA polymerase activity are present in Archaea. C) Both activators and repressors are present in Archaea. D) Similar to regulation in Eukarya, Archaea lack bacterial-like regulators such as activators and repressors and use transcription factors instead.
Most hormones produced in the anterior pituitary ____
a. affect kidney functioning b. are secreted in response to signals from the medulla oblongata c. control the release of hormones from other endocrine glands d. are steroid hormones e. effect target cells in the posterior pituitary
Damage to the matrix of a bone can result in which of the following complications?
A. There will be a decrease in the production of white blood cells. B. There will be a decrease in available calcium phosphate which could result in decreased concentrations of calcium and phosphate ions in the blood. C. There will be a decrease in potassium resulting in a decrease in bone strength. D. The attachment point for muscles will not be as strong resulting in more injuries. E. None of these are complications associated with damage to the matrix of the bone.
Which of the following types of muscles are striated?
A. skeletal and cardiac B. triceps and biceps only C. skeletal and smooth D. skeletal, smooth, and cardiac E. cardiac only