True or False: The light scattering in flow cytometry provides a way to quantify cells based on their size
a. TRUE
b. FALSE
Answer: A
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You are given two populations of true-breeding tomato plants with two traits that sort independently. Using the multiplication rule, how many of the F2 progeny would you expect to have a dominant phenotype for both traits?
A. 9/16 B. 6/16 C. 3/16 D. 1/16
Answer the following statements true (T) or false (F)
1. The movement of DNA polymerase continues unimpeded if a thymine dimer is present in the DNA double helix. 2. Cells are normally limited to one DNA repair system that corrects DNA mistakes. 3. Patients who suffer from xeroderma pigmentosum (XP) have a defective mismatch repair system. 4. Cancers originate from a single cell.
Enzymes are usually named based on
A. the substrates they act on and the type of reaction they catalyze. B. the type of reaction they catalyze. C. the substrates they act on. D. their molecular structure. E. All of the choices are correct.
A gemma is a sexual reproductive structure produced by certain liverworts
____________________ Indicate whether the statement is true or false.