In the technique of ________ cropping, farmers do not plow, but they leave leftover cover crops in the fields after harvest to create mulch for the next year's crops
Fill in the blank(s) with correct word
no-till
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Glucose is transported into a cell by ____
a. active transport b. exocytosis c. facilitated diffusion d. phagocytosis e. osmosis
Some researchers argue that short telomeres actually facilitate a longer life span in mammals. The reasoning for this argument includes the idea that ________
A) the activity of telomerase expression?the enzyme that can restore lost bits of telomeres?is repressed B) a reduction in the telomere size for every DNA replication event can serve as an accurate counting mechanism for the number of times a cell has divided C) reducing the number of divisions a cell will go through will also reduce the likelihood of mutation events occurring in the cell's DNA D) All of the above are included in this idea.
What is the function of the histones that are found in a chromosome?
A) They bind nucleotides together to form a single strand of DNA. B) They hold the DNA strands together in a form called the double helix. C) They contain the genes that code for various traits. D) They provide support for the DNA to form into a supercoiled structure.
During which phase in the cell cycle does mitosis happen?
A) G1 phase B) G2 phase C) M phase D) S phase