Which of the following is suitable for the fertilization of an egg?
A) sperm
B) spermatid
C) primary spermatocyte
D) spermatogonium
A
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Given that hepatocytes carry out much of the lipid synthesis of the body, including the manufacture of cholesterol and phospholipids, what organelle would you expect to be particularly abundant in these cells?
A. Mitochondria B. Lysosomes C. Golgi apparatus D. Ribosomes E. Smooth endoplasmic reticulum
What virus may lead to obesity by transforming adult tissue-specific stem cells into fat-storing adipocytes?
a. HIV b. HepB c. adenovirus-36 d. corona virus e. influenza B
In the nucleus, DNA is wrapped with proteins. This complex is called ________.
A. cytoplasmic organelles B. a DNA wrap C. DNA particles D. chromatin E. nucleoli
Which of the following is considered a required enzyme for the process of transcription?
A. DNA polymerase B. Aminoacyl-tRNA synthetase C. RNA polymerase D. Amine transferase