The pairing of chromosomes along their lengths, which is essential for crossing over, is referred to as
A. syngamy.
B. synapsis.
C. prophase.
D. recombination.
E. centromere.
B. synapsis.
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Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction?
A) decreasing the number of reactive molecules B) altering the temperature within the cell to one appropriate for reactions to proceed C) quantum tunneling D) inefficient collisions E) permanently binding substrates
What other information is related to the question? Which information is most useful?
What will be an ideal response?
I am a ribonucleoprotein; I contain both a polypeptide and an RNA molecule. My RNA binds to unique sequences on a DNA molecule, targeting them for cleavage by my polypeptide. I occur naturally in microbes to protect against viral attack, and I can be engineered in the lab for precision DNA editing. What am I?
A. Cas9 nuclease B. EcoR1 restriction enzyme C. 3' oligonucleotide D. RNA polymerase
Proteins that speed metabolic reactions might have first formed when reactants began interacting inside tiny holes in rocks near deep-sea __________.
Fill in the blank(s) with the appropriate word(s).