Axial filaments are found on
a. spirochetes.
b. rod-shaped bacilli.
c. staphylococci.
d. streptococci.
Answer: a. spirochetes.
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The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?
A. exergonic B. endergonic C. catabolic D. feedback
The ____ model of genetic analysis of complex traits assumes that each gene involved has an equal effect on the phenotype
a. cumulative b. additive c. epigenetic d. polygenic e. phenotypic
A population of salamanders consisting of 2150 individuals will lose genetic diversity due to genetic drift at _______ the rate of a population consisting of 250 individuals.
A. five times B. ten times C. one tenth D. twice E. one hundredth
On Easter Island in the Pacific Ocean, from
original population of 100 humans the population rose to around 3000. In time, the entire island was under cultivation and eventually the soils became so over cultivated that crops could no longer be grown. People started dying from starvation and disease. This Easter Island population had exceeded its
a. density-independent factors. b. biotic potential. c. logistic growth. d. carrying capacity. e. opportunistic life history