Many sponges are hermaphroditic, which means that
a. both males and females are filter feeders.
b. both males and females produce sperm.
c. a single individual produces both sperm and eggs.
d. only males have flagellae.
e. both males and females produce gemmules.
C
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Cancer is caused by rapid cell division that results in tumor formation. Cancer cells often have
mutations in CDK genes. Explain how a mutation in a CDK might help lead to uncontrolled cell growth.
What will be an ideal response?__________ can reveal the order of nucleotide bases in a fragment of DNA. Fill in the blank(s) with the appropriate word(s)
If a person were to receive such a high dose of radiation that all of the cells were to die in this area, anemia would develop. This place is the ________
A) lymph nodes B) red bone marrow C) thymus D) yellow bone marrow
A diagnostic test for congenital defects of the ureter, bladder, and urethra includes:
A) Excretory urography. B) Prenatal ultrasound. C) MRI. D) Biopsy of the affected part.