Substances produced in a cell and exported outside of the cell would pass through__________.
a) endoplasmic reticulum (ER) and Golgi apparatus
b) mitochondria and Golgi apparatus
c) nucleus and lysosomes
d)vacuoles and mitochondria
Ans: a) endoplasmic reticulum (ER) and Golgi apparatus
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Which of the following discoveries would
NOT have called into question the idea that species didn’t change and/or are unrelated?
a. fossils of whales with legs b. dandelions are asexual plants that produce non-functional pollen c. all humans are 99% genetically the same d. the DNA of humans and chimpanzees is 96-98% the same e. more than one of these
Polyploidy may arise from the failure of chromosomes to separate during cell division or by the
fertilization of an egg by more than one sperm. _________________ Indicate whether the statement is true or false.
The anterior pituitary gland produces all of the following EXCEPT which one?
A) ACTH B) LH C) PRL D) TSH E) ADH
The expression of the tryptophan operon is controlled by a(n)
A) repressor that is active when it is alone. B) repressor that is inactive when it binds to lactose. C) repressor that is active when it binds to tryptophan. D) activator that turns the operon on by binding to DNA.