Exocrine glands secrete all of the following
EXCEPT
a. mucus.
b. hormones.
c. earwax.
d. milk.
e. digestive enzymes
B
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Which of the following types of bonds require electrons to be shared between atoms?
a. non-polar covalent only b. polar covalent only c. ionic only d. both polar and non-polar covalent
The part of the stomach designated by the letter “C”
in the above figure is called a. pyloric sphincter. b. esophagus. c. mucosa. d. duodenum. e. none of these.
In eukaryotes, transcription takes place in the ________ and translation takes place in the ________.
A. nucleoid, cytoplasm B. nucleus, nucleus C. cytoplasm, nucleus D. nucleus, cytoplasm E. cytoplasm, cytoplasm
Once an egg has been fertilized, what event is crucial for preventing additional sperm from inserting DNA into the egg?
A. the acrosomal reaction B. cleavage C. follicle maturation D. the cortical reaction