During mammalian development, a
A) blastula becomes a zygote.
B) morula becomes gastrula.
C) zygote becomes a blastula.
D) gastrula becomes a morula.
E) morula becomes a blastula.
E
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Members of what group are multicellular producers?
a. animals b. protists c. fungi d. plants e. bacteria
Which one of the following statements about the BRCA1 gene for breast cancer is FALSE?
A. It was discovered by Mary-Claire King and her colleagues. B. The gene is also linked to ovarian cancer. C. One mutated copy of BRCA1 is sufficient to cause cancer. D. Although only 1 in 200 females inherit it, 90 percent of them will develop breast cancer. E. It is located on the long arm of chromosome 17.
The amount of energy available to do work is called
A. activation energy. B. free energy. C. potential energy. D. kinetic energy.
A protein that will be transported to the plasma membrane will travel the following path
A) ribosome, endoplasmic reticulum, vesicle, golgi apparatus, vesicle, plasma membrane B) ribosome, smooth endoplasmic reticulum, golgi apparatus, vesicle, plasma membrane C) endoplasmic reticulum, ribosome, golgi apparatus, vesicle, plasma membrane D) nucleus, vesicle,endoplasmic reticulum, vesicle, golgi apparatus, vesicle, plasma Membrane