In a mature plant cell, ____ may occupy more than 90% of the cell's volume
a. the nucleus
b. chromoplasts
c. rough endoplasmic reticulum
d. the central vacuole
e. chloroplasts
ANSWER: d
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In microscopy, resolution can be defined as the:
a. magnification power. b. extent to which detail in the magnified object is maintained. c. ability of objects to stand out from the background. d. ability to see objects against a black background.
Given what you now know, what information is most likely to produce the correct answer?
What will be an ideal response?
When Avery and McCarty were attempting to identify the substance involved transferring hereditary material, they tested the ability of a bacterial S cell extract to transform R cells after different components of the extract were degraded by enzymes. Which treatment inhibited the ability of the S cell extract to transform R cells?
a. DNAse degrading enzymes b. RNAse degrading enzymes c. protein degrading enzymes d. lipid degrading enzymes e. amino acid degrading enzymes
Advanced human cognitive structures arise from which of the five vesicles?
A. Diencephalon B. Mesencephalon C. Metencephalon D. Myelencephalon E. Telencephalon