Which of the following extraembryonic membranes encloses the embryo?
a. amnion
b. chorion
c. yolk sac
d. allantois
a
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As prokaryotes, which structure is found in cyanobacteria?
a. nucleoid b. mitochondrion c. nucleus d. all of these
If cancer is discovered at an early stage, surgical removal is most likely used as a first means of treatment before chemotherapy. This is because chemotherapy agents
A. are not specific and can target all cells of the body. B. can cause damage to other organs and tissues. C. can cause negative side effects including nausea, and hair loss. D. All of the answer choices are correct.
Bands of connective tissue that help muscles attach to bones are termed ________
A) ligaments B) cartilage C) tendons D) fibrocartilage
Human growth hormone is composed of 191 amino acids. This would place it in which class of hormone?
What will be an ideal response?