As a primary oocyte develops within a follicle of the ovary, it is nourished by ________ cells
Fill in the blank(s) with correct word
granulosa
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In order for a muscle to contract, calcium ions released from the sarcoplasmic reticulum must bind to
A. myosin. B. ATP. C. tropomyosin. D. troponin. E. actin.
What is polycistronic mRNA?
What will be an ideal response?
In humans, the embryonic and fetal forms of hemoglobin have a higher affinity for oxygen than that of adults. This is due to _____
A) nonidentical genes that produce different versions of globins during development. B) pseudogenes, which interfere with gene expression in adults. C) the attachment of methyl groups to cytosine following birth, which changes the type of hemoglobin produced. D) histone proteins changing shape during embryonic development.
GgTt pea plants can produce __________ type(s) of gamete(s), but a ggtt plant can produce __________ type(s) of gamete(s).
A. four ... one B. two ... one C. one ... two D. four ... two