Mitosis and cytoplasmic division function in _____
a. asexual reproduction of single-celled eukaryotes
b. growth and tissue repair in multicelled species
c. gamete formation in bacteria and archaeans
d. [asexual reproduction of single-celled eukaryotes] and [growth and tissue repair in multicelled species]
D
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A Viceroy caterpillar feeds on a leaf. One day's feeding consumes 1000 calories worth of leaves. 50% of the calories are lost in its feces and 33% of the calories are used in cellular respiration.How many calories of the original intake are available to add to the caterpillar’s biomass each day?
A. 830 calories B. 670 calories C. 500 calories D. 330 calories E. 170 calories Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about energy flow? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
At rest, a nerve cell has a high concentration of ____ inside and a high concentration of ____ outside
a. acetylcholine; chlorine b. sodium; potassium c. potassium; sodium d. calcium; phosphorus e. phosphorus; calcium
Blood pressure depends on:
a. the height and weight of an individual. b. atrial volume and stroke rate. c. blood flow and resistance of blood against the vessel walls. d. total blood volume. e. diastole and systole
Which of the following statements is false?
A) Gametes are haploid cells. B) Two haploid cells fuse during fertilization. C) An X chromosome is an autosome. D) A zygote is a fertilized egg.