Bacterial chromosomes are always circular DNA molecules.
Answer the following statement true (T) or false (F)
False
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Lignin is a complex polymer of methoxylated ________ compounds and is present in ________
A) silica / aquatic environments B) mineral / rocks C) oil / fossil fuels D) aromatic / vascular plant material
The amount of DNA can be increased when primers are heated with a mix of the original small amount of DNA, DNA polymerase, and nucleotides in the process known as ________
Fill in the blank(s) with correct word
Which of the following statements is true regarding pedigree analysis?
a. Pedigree charts always enable you to predict the characteristics of the offspring. b. Squares represent females, while circles represent males. c. Darkened shapes always represent individuals with the trait being traced. d. Horizontal lines connect siblings. e. The length of the vertical lines is dependent on the relatedness coefficient between two individuals.
The common ancestor that produced the most evolutionary recent derived characters is
A. 12 B. 8 C. 9 D. 6