DNA & Mitosis Review 9th - 10th Grade Quiz

DNA & Mitosis Review

Assessment

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Deleted User

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Biology

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9th - 10th Grade

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75 plays

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Hard

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29 questions

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MULTIPLE CHOICE

2 mins • 1 pt

A model of a DNA molecule is shown in the picture. The arrow indicates -

MULTIPLE CHOICE

1 min • 1 pt

Characteristics such as a widow’s peak or attached earlobes are determined by the genetic code. Which components of DNA are referred to as the genetic code?

MULTIPLE CHOICE

1 min • 1 pt

How does DNA in cells determine an organism’s complex traits?

MULTIPLE CHOICE

1 min • 1 pt

The sequence of nitrogenous bases in DNA varies widely. The sequence of the bases in DNA is most important for which of the following?

MULTIPLE CHOICE

1 min • 1 pt

A section of a nucleic acid is shown in the photo. The process represented in the diagram produces a molecule that is complementary to the template strand of DNA. What type of molecule is produced?

MULTIPLE CHOICE

1 min • 1 pt

In 1952 Rosalind Franklin took the x-ray photograph shown below, which gave the world its first look at DNA. By studying this photograph, scientists gained knowledge about the —

MULTIPLE CHOICE

3 mins • 1 pt

Organisms can be classified based on homology, which is shared characteristics inherited from a common ancestor. In the past, homologies were based on studies of anatomical structures and patterns of embryonic development. In more recent years, the use of molecular biology techniques has allowed homologies to be compared at the level of nucleotide sequences. Nucleotide sequence comparisons are possible because all organisms share which of the following?

MULTIPLE CHOICE

30 sec • 1 pt

A segment of DNA is represented in the illustration. How is information for a specific protein carried on the DNA molecule?

MULTIPLE CHOICE

30 sec • 1 pt

A student builds a model of a DNA strand as shown in the photo. Which of these models of a DNA strand shows bases that are complementary to the ones on the student’s DNA model?