Humans have 22 pairs of autosomes plus one sex chromosome pair. How many autosomes are present in a normal human primary spermatocyte?

A) 22
B) 23
C) 44
D) 45
E) 46


E) 46

Biology & Microbiology

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The origin of replication in bacteria is called OriC

Indicate whether the statement is true or false

Biology & Microbiology

One portion of the cell theory states that ____

a. all cells have a nucleus b. all cells divide by meiosis c. all living organisms are made up of one or more cells d. cells arise through spontaneous generation e. growth is solely the result of cell division

Biology & Microbiology

Signaling involves molecule A that binds another specific molecule B, often delivering the signal in the process. What do we call molecule A in this scenario?

a. target cell b. receptor c. ligand d. enzyme

Biology & Microbiology

Which of the following organelles are associated with the job of cellular digestion?

A. Lysosomes and peroxisomes B. Golgi apparatus and vesicles C. Nucleus and nucleolus D. Smooth and rough endoplasmic reticulum

Biology & Microbiology