Production of sperm in males by the process of meiosis and maturation.
What will be an ideal response?
spermatogenesis
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Messenger RNA molecules have a nontranslated sequence called the ________ , which is located downstream of the termination codon.
Fill in the blank(s) with the appropriate word(s).
What characterizes a thermocline in a temperate zone lake?
1.The layer above it is warm and has lots of oxygen. 2.The layer below it contains the warmest water. 3.It occurs in the spring as the air warms and ice melts. 4.It is very rich in oxygen.
Which of the following is present in a prokaryotic cell?
A) mitochondrion B) ribosome C) chloroplast D) ER
To fight the recent outbreak of Zika virus in the Americas, scientists took advantage of ________ to force a gene to be passed on to progeny that resulted in short-lived offspring that did not reach maturity
A) gene drive B) selective breeding C) CRISPR-Cas D) DNA vaccines