At birth, a human female's gametes are called ova because they are fully mature egg cells ready for ovulation at the onset of puberty.
Answer the following statement true (T) or false (F)
False
At birth, a human female's gametes are called eggs but have not undergone the complete development into fully mature egg cells. They are ready for ovulation at the onset of puberty.
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Two cells with different cell-surface markers are fused in the presence of polyethylene glycol (PEG). The cells are then placed at 0°C. What do you expect to observe about the individual cell markers?
A) The markers will evenly disperse throughout both membranes. B) Only one marker will disperse, while the other remains stationary. C) Both sets of markers will not mix but will migrate to opposite poles from one another. D) The markers will essentially remain where they are, with little migration. E) The markers will be endocytosed by the fused cell and then redistributed as fused markers.
The p300/CBP (CREB-binding protein) proteins are histone acetyltransferases that help regulate the transcription of many genes. Based on this information you can conclude that these proteins
A. recruit helicases. B. physically connect activator proteins. C. remodel chromatin. D. acetylate purines.
The portion of the DNA molecule that is translated is composed of
a. introns. b. anticodons. c. exons. d. transcriptions. e. exons and transcriptions.
Two blue budgies were crossed. Over the years, they produced 22 offspring, 5 of which were white. What are the most likely genotypes for the two blue budgies?
A) yyBB and yyBB B) yyBB and yyBb C) yyBb and yyBb D) yyBB and yybb E) yyBb and yybb