Mutations in germ cells are passed on only to other germ cells in members of future generations
a. True
b. False
False
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The role that an organism plays in its environment is called its
A. role. B. position. C. ecosystem. D. niche.
Answer the following statements true (T) or false (F)
1.Vegetative edible plant parts include roots, fruits, stems, and tubers. 2.If a plant exhibits a pattern of indeterminate growth, it stops growing when it reaches mature size. 3.Herbaceous plants are those that contain little or no woody tissue. 4.The three main types of tissue formed by plant cells are ground tissue, dermal tissue, and vascular tissue. 5.The epidermis of a plant leaf is usually many layers thick and carries out most of the photosynthesis in a leaf.
In which stage of mitosis does exchange of genetic material between chromosomes (crossing over) occur?
A) prophase I B) anaphase I C) prophase II D) none of the above
Which of the following is considered "non-coding" DNA?
A) exons B) introns C) genes that are not constantly transcribed but may be turned on in some cells D) rRNA genes