Which term refers to the place on a stem where one or more leaves are attached?
a. node
b. internode
c. lateral bud
d. axil
Ans: a. node
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In a DNA molecule, the base pairs provide information, and the sugar-phosphate backbone does not, because
A) the base pairs are all the same, but the sugar-phosphate backbone varies. B) there are eight types of base pairs. C) the bases form a sequence, and the sugar-phosphate backbone does not. D) the sugar-phosphate backbone is highly unstable.
The __________ is a sedimentary cycle; Earth’s
crust is the largest reservoir, and there is no major gaseous form. Fill in the blank(s) with the appropriate word(s).
Which of the following is not a factor that affects germicidal activity?
A. Length of exposure B. Microorganism being treated C. Material being treated D. Strength of the germicide E. All of the choices are factors.
You want to clone a eukaryotic gene and express the corresponding protein in yeast. However, the protein typically localizes within mitochondria
How will you perform your gene cloning so that the protein is secreted from the cell, rather than localized within yeast mitochondria? What will be an ideal response?