Which of the following clusters of terms applies when addressing enhancers as elements associated with eukaryotic genetic regulation?
A) trans- and cis-acting, variable position
B) cis-acting, variable position, fixed orientation
C) cis-acting, fixed position, fixed orientation
D) trans-acting, fixed position, fixed orientation
E) cis-acting, variable orientation, variable position
E
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What is the structure labeled B in the accompanying figure?
a. cytoplasm b. nucleoid c. plasma membrane d. capsule e. pilus
You are investigating the structure of the seeds of a newly discovered tropical plant. There is storage material inside the seed. You treat the seed with peptidase (an enzyme that breaks peptide bonds),
glycoside hydrolases (an enzyme that breaks ? glycosidic bonds), and amylase (an enzyme that breaks ? glycosidic bonds). Only the amylase appears to dissolve the storage material in the seed. What does this tell you about the identity of the storage material? A) The seed contains fibrous proteins to store carbon and energy. B) The seed contains lipids to store carbon and energy. C) The seed contains starch to store carbon and energy. D) The seed contains cellulose to store carbon and energy. E) The seed contains globular proteins to store carbon and energy.
Organic molecules that end in the suffix "-ase" often function as ________ molecules
A) structural B) enzymatic C) transport D) storage
Division of the cytoplasm following mitosis or meiosis.
What will be an ideal response?