What contributes to limiting the size of a single cell? Cell size is limited due to:
What will be an ideal response?
diffusion of wastes out and nutrients in which is only efficient over short distances.
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The first federally approved gene therapy for humans was designed to treat ____
a. severe combined immune deficiency b. Diabetes c. cystic fibrosis d. Hemophilia e. Leukemia
Glands that lack ducts and secrete hormones are called ________
A) exocrine B) endocrine C) scent D) mammary
Describe constitutive heterochromatin and facultative heterochromatin
Based upon this information, what would you predict would happen during the embryonic development of an organism if some regions of facultative heterochromatin were changed to constitutive regions? What will be an ideal response?
These creatures are nonmotile, spore-forming, unicellular parasites of animals.
A. ciliates B. amoeba C. water molds D. apicomplexans