Hydrochloric acid formed in the stomach converts pepsinogen into pepsin, which enables the stomach to begin digesting ________
Fill in the blank(s) with correct word
proteins
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The undulating membrane of Parabasala is used for
a. defensive purposes. b. asexual reproduction. c. structural support. d. food absorption. e. movement.
In cats an X-linked pair of alleles, B and b, controls color of fur. The alleles are incompletely
dominant: B produces black, b produces yellow, and Bb produces tortoise-shell. (a) A yellow cat had a litter of two tortoiseshell kittens and one yellow. What is the sex of the yellow kitten? (b) A tortoiseshell cat brings home a litter of black, yellow, and tortoiseshell kittens. The color of which sex would tell you the color of the tomcat that produced them? (c) A yellow male is crossed with a tortoiseshell female. If the female has all male kittens in her litter of four, what color(s) would they be? (d) A tortoiseshell cat brings home her litter of black, yellow, and tortoiseshell kittens. By what method could you possibly decide whether the male parent was the black tomcat next door? What will be an ideal response?
Decomposers perform their recycling efforts on organisms
a. at the end of a food chain. b. on the top of a pyramid. c. that are producers. d. that are consumers. e. all of these.
From where does the O2 released during the light reactions of photosynthesis come?
A) C6H12O6 B) H2O C) CO2 D) RuBP E) ATP