Vitamin D is required for ____ absorption

a. sulfur
b. phosphorus
c. calcium
d. potassium
e. zinc


C

Biology & Microbiology

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The photosynthetic systems of algae living in deeper water are adapted to absorb more of the light of which of the following colors?

A. yellow B. red-orange C. blue-green D. purple E. white

Biology & Microbiology

The exponential growth rate of a population

under ideal conditions is its

a. carrying capacity. b. logistic growth. c. biotic potential. d. realized niche. e. density dependence

Biology & Microbiology

With each turn of the Krebs cycle, ____

a. the majority of ATP are produced b. oxygen is produced c. carbon dioxide is utilized d. NADH and FADH2 are produced e. pyruvate is produced

Biology & Microbiology

Which of the following characteristics is NOT a distinguishing feature of all primates?

Select one: a. opposable thumb b. fingernails c. usually single birth d. extended period of parental care e. expanded hindbrain

Biology & Microbiology