Which of the following statements about phloem and xylem is true?
a. Both are driven by transpiration.
b. Both have companion cells assisting the process.
c. Both move fluids down or up plant stems.
d. Both move sugars.
c. Both move fluids down or up plant stems.
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Meiosis is thought to have appeared early in evolution because most eukaryotes perform meiosis and the steps of meiosis are the same in all eukaryotes
A. true B. false
This primate is a Philippine tarsier, which has a tail longer than its body, and a brain about the same size of one of its eyes. Tarsiers have the largest eyes relative to their body size of any mammal, and it uses them to hunt the insects, lizards, and small birds that make up its diet. How is the Philippine tarsier classified?
a. Dermopterans
b. Strepsirrhines
c. Haplorhines
d. Catarrhines
Distances between genes in cM are directly proportional to the physical distances between them on the
chromosome. Indicate whether the statement is true or false.
The process of using DNA to produce complementary RNA molecules is called ______
Fill in the blank(s) with the appropriate word(s).