LIFE Science and Science

Who was Robert Hooke?

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ROBERT HOOKE Who was "Robert Hooke"?

Supercoiling occurs only in "closed" DNA with no free ends.

A. True
B. False

Each chromosome consists of a linear array of genes, and each gene resides at a particular location on the chromosome. The location is more formally called a genetic ________

A. Locus
B. Position
C. Allele
D. None of the above

In the case of Cri-du-Chat syndrome, the deletion occurs in the p arm of

A. Chromosome 1

B. Chromosome 3

C. Chromosome 5

D. Chromosome 10

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The terms cortex and medulla, to describe the two component parts, were first used by

A. Von Basedow
B. Emil Huschke
C. Claude Bernard
D. Eustachius

The two strands in a DNA double is joined by ________

A. Covalent bond
B. Hydrogen bond
C. Ionic bond
D. Phosphodiester bond

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A nucleoside is composed of ______.

A. A base and a sugar
B. A base + A sugar + Phosphate
C. A base and a phosphate
D. None of these

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In eukaryotes, a section of DNA between 140 and 200 base pairs long winds around a distinct set of eight positively charged proteins called a __________

A. Cytoplasm membrane
B. Histone
C. Pistone
D. None of the above

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DNA of humans consists of __________ of linear chromosomes.

A. 23 pairs
B. 24 pairs
C. 25 pairs
D. 26 pairs

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Nucleic acids are _________.

A. Monomeric
B. Dimeric
C. Polymeric
D. None of the above

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DNA of humans consists of __________ of linear chromosomes.

A. 23 pairs
B. 24 pairs
C. 25 pairs
D. 26 pairs

Nucleic acids are _________

A. Monomeric
B. Dimeric
C. Polymeric
D. None of the above

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