Elephants can live for between 50 and 70 years
and a cow (female elephant) typically gives
birth to 3 or 4 calves. What type of
survivorship curve applies to them?
a. type I
b. type II
c. type III
d. none of these types
e. more than one of these types
A
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Which components are used by the RNA-Seq method when evaluating a transcriptosome?
A. mRNA, microarray, reverse transcriptase, cDNA, adapter DNA with primers, deoxynucleotides, DNA polymerase B. mRNA, reverse transcriptase, cDNA, adapter DNA with primers, deoxynucleotides, DNA polymerase, 2D gel electrophoresis C. mRNA, rRNA, reverse transcriptase, cDNA, adapter DNA with primers, deoxynucleotides, DNA polymerase, computer alignment D. mRNA, reverse transcriptase, cDNA, adapter DNA with primers, deoxynucleotides, DNA polymerase, computer alignment E. mRNA, reverse transcriptase, cDNA, adapter DNA with primers, deoxynucleotides, RNA polymerase, computer alignment
A mature maple tree can have a mass of 1 ton or more (dry biomass, after removing the water), yet it starts from a seed that weighs less than 1 gram. Which of the following processes contributes the most to this huge increase in biomass?
What will be an ideal response?
Which of the following is a K-strategist?
A. moths B. grizzly bears C. bacteria D. mosquitoes
Muscle cells that are not exercised will atrophy, or shrink in size. Lou Gehrig's disease affects nervous tissue but also causes muscle atrophy. What type of nerve cell must be affected to cause this muscle-wasting condition?
A) neuroglial cells B) sensory neurons C) motor neurons D) interneurons