By the end of prophase, each of the following has occurred except

A. tighter coiling of the chromosomes

B. breaking down of the nuclear envelope

c. disappearing of the nucleolus

d. lining up of chromosomes in the cell

How is an ionic bond formed? An electron is transferred from one atom to another. Two atoms share the electrons in their outermost shells. Both atoms in the bond lose an electron. Both atoms in the bond gain an electron.

What percentage of human sperm cells carry an x chromosome?

Refer to Animation: Proofreading in DNA Replication. What is the name for the enzyme activity that DNA polymerase has when it removes an improperly paired base from the end of the growing strand?

Which are most closely associated with an element on the periodic table?

Which of the following things contain organic molecules? lettuce ketchup butter All of the choices are correct.

What is the predominant fiber type in the postural trunk muscles?

Human sperm cells and egg cells are A) haploid, each containing 23 chromosomes B) haploid, each containing 46 chromosomes C) diploid, each containing 23 chromosomes D) diploid, each containing 46 chromosomes

Produces gametes used in sexual reproduction

By definition for osmosis to occur the membrane separating two compartments

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