Antidiuretic hormone (ADH) make the ____ permeable to water.
Fill in the blank(s) with the appropriate word(s).
Answer: collecting duct
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A group of individuals that can interbreed in nature and produce viable offspring would be considered to be a species according to the
A. phylogenetic species concept. B. biological species concept. C. evolutionary species concept. D. ecological species concept. E. general lineage concept.
____ in the skin protects us from harmful ultraviolet light energy
a. Keratin b. Collagen c. Elastin d. Myosin e. Melanin
Which of the following is the main difference between in vivo and ex vivo gene therapy?
A. Ex vivo gene therapy uses an individual's own cells, where in vivo gene therapy uses donor cells from other healthy individuals. B. Ex vivo gene therapy occurs inside the body and in vivo gene therapy occurs outside the body. C. Ex vivo gene therapy occurs outside the body and in vivo gene therapy occurs inside the body. D. Ex vivo gene therapy uses donor cells from other healthy individuals, where in vivo gene therapy uses an individual's own cells.
Which of the following statements is true?
A) Gymnosperms have seeds that are not enclosed in a protective casing, while angiosperms have flowers that produce seeds with a protective casing. B) Gymnosperms have flowers that produce seeds with a protective casing, while angiosperms have seeds that are not enclosed in a protective casing. C) Gymnosperms lack true roots and leaves, while angiosperms lack lignin cell walls. D) Gymnosperms lack seeds, while angiosperms have flowers that produce seeds with a protective casing.