Cell Structure - Biology Today

Course

Introductory Biology

Study Pack

Set 1: Invitation to Biology

Set 2: Molecules of Life

Set 3: Cell Structure

Set 4: Energy and Metabolism

Set 5: Photosynthesis

Set 6: Releasing Chemical Energy

Set 7: Dna Structure and Function

Set 8: Gene Expression and Control

Set 9: How Cells Reproduce

Set 10: Patterns of Inheritance

Set 11: Biotechnology

Set 12: Evidence of Evolution

Set 13: Processes of Evolution

Set 14: Prokaryotes, Protists, and Viruses

Set 15: Plants and Fungi

Set 16: Animal Evolution

Set 17: Population Ecology

Set 18: Communities and Ecosystems

Set 19: The Biosphere and Human Effects

Set 20: Animal Tissues and Organs

Set 21: How Animals Move

Set 22: Circulation and Respiration

Set 23: Immunity

Set 24: Digestion and Excretion

Set 25: Neural Control and the Senses

Set 26: Endocrine Control

Set 27: Animal Reproduction and Development

Set 28: Plant Form and Function

Set 29: Life Cycles of Flowering Plants

Set 3 Cell Structure

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Set 3 Cell Structure

Question 1

(Multiple Choice)

Free

To visualize the structure of DNA, which has a width of 10 nm, which microscope would be best?

A) fluorescence microscope
B) light microscope
C) staining microscope
D) polarized microscope
E) electron microscope

Answer

Question 2

(Multiple Choice)

Free

Eukaryotic cells have their DNA enclosed in the _____.

A) plasma membrane
B) nucleus
C) nucleoid
D) nuclear envelope
E) nucleotide

Answer

Question 3

(Multiple Choice)

Free

Since viruses are typically 20-200 nm in diameter, the ____ microscope is best for viewing them.

A) light
B) electron
C) fluorescent
D) polarizing
E) contrasting

Answer