The chromosome makeup of an individual organism is called a:
a. kinetochore.
b. chromosome plot.
c. centromere.
d. karyotype.
e. centriol
D
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A solution contains 0.0000001 (10-7) moles of hydroxyl ions [OH-] per liter. Which of the following best describes this solution?
A) acidic: H+ acceptor B) basic: H+ acceptor C) acidic: H+ donor D) basic: H+ donor E) neutral
All of the following are characteristic of life in a marine environment except?
a. Many nutrients and gases are dissolved in the water and are readily available. b. Buoyancy helps to support the organisms. c. Currents may wash organisms away from suitable habitats. d. Osmotic balance is very difficult for invertebrates to maintain. e. Temperatures are relatively stable.
What are the pH conditions if the Triple Sugar Iron Agar (TSIA) result was Yellow slant/Yellow butt
A. Alkaline/Acid B. Acid/Acid C. The right answer is not listed D. Alkaline/No Change
The complex polysaccharide that provides flexibility to the primary walls of collenchyma cells is called ____.
A. cellulose B. lignin C. fiber D. pectin E. cuticle