On mRNA molecules, a nontranslated sequence called the ________ usually precedes the initiation codon.
Fill in the blank(s) with the appropriate word(s).
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Sucrose is composed of ____
a. two molecules of fructose. b. two molecules of glucose. c. a molecule of fructose and a molecule of glucose. d. a molecule of fructose and a molecule of galactose. e. a molecule of glucose and a molecule of galactose.
The number of chromatids present in a duplicated chromosome is
a. 1. b. undetermined. c. half that of an unduplicated chromosome. d. 2. e. 4.
Paul was an orphan found wandering a city street when he was 2 years old. At age 52, he began to experience muscle spasms and was having difficulty walking. Which of the following genetic disorders is most probable?
A) PKU B) CF C) Huntington's disease D) Marfan syndrome
The primary difference between meiosis and mitosis is the
What will be an ideal response?