Blastocyst cells that give rise to the embryo's body constitute the
A) blastomere.
B) inner cell mass.
C) outer cell mass.
D) mesoderm.
B) inner cell mass.
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What important metabolic intermediate does not cross the inner membrane of the mitochondria?
A. ATP B. Acetyl-CoA C. Pyruvate D. Oxygen
If you were to genetically engineer a bacterial cell to produce a human protein, you would use a bacterial plasmid as the _____, or carrier of the human DNA
A. vector B. probe C. palindrome D. recombiner E. none of these
Below is a pedigree of a human genetic disease in which solid color indicates affected individuals. Assume that the disease is caused by a gene that can have the alleles A or a. What is/are the possible genotype(s) of person 4?
A) AA
B) Aa
C) Either AA or Aa
D) aa
E) Cannot be determined
Features that contributed to success on land include
__________ and __________ (two types of vascular tissues). Fill in the blank(s) with the appropriate word(s).