Triglycerides are composed of three fatty acids attached to a molecule of ________.
Fill in the blank(s) with the appropriate word(s).
glycerol
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What technique of genomic library construction allows the genome to be cut by a given restriction enzyme at some but not all recognition sequences?
What will be an ideal response?
An organism that is heterozygous for a specific trait is a __________.
Fill in the blank(s) with the appropriate word(s).
Many neurotransmitter receptors are chemically activated ion channels known as:
a. ligand-gated channels. b. metabotropic channels. c. voltage-gated channels. d. G protein-coupled channels. . e. neurotransmitter-selective channels
You are given a sample of plant tissue and asked to identify the type of tissue and its location in the plant. Using your microscope, you notice two distinct layers of cells. One layer contains cells that are tightly compacted together while the other layer has loosely arranged cells. The cells in both layers contain many chloroplasts. Based on this information, you determine the tissue is
A. vascular tissue from a root. B. vascular tissue from a leaf. C. mesophyll tissue from a leaf. D. ground tissue from a stem. E. mesophyll tissue from a stem.