Based solely on the trees in Susan’s study, which site represents the greater species diversity?
a. site 1
b. site 2
A
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Once the strands of DNA are separated, the enzyme DNA polymerase ____ and links nucleotides together
a. reads the nucleotide sequence of the template strand b. transforms the template strand to either 3' or 5' c. transforms adenine to thymine and guanine to cytosine d. folds the bases back on themselves e. unwraps the DNA from the nucleosomes
During their diastole, the heart chambers are contracting.
Answer the following statement true (T) or false (F)
What is the first step of a muscle contraction?
What will be an ideal response?
Which scenario describes a situation for which genetic counseling is recommended?
a. Couples who have no family history of genetic disorders b. Women under age 35 who plan to become pregnant c. Couples who already have a child with a birth defect d. Couples who have undergone IVF e. Women who have had one miscarriage, and no other pregnancies