Gene Expression Review

The diagram shows genetic material at different levels of magnification. Which of the following is demonstrated by level A?

• gene

• nucleus

• chromosome

• DNA molecule

Tags

NGSS.HS-LS3-1

The diagram shows genetic material at different levels of magnification. Which of the following is demonstrated by level B?

• gene

• nucleus

• chromosome

• DNA molecule

Tags

NGSS.HS-LS3-1

The diagram shows genetic material at different levels of magnification. Which of the following is demonstrated by level C?

• gene

• nucleus

• chromosome

• DNA molecule

The diagram shows genetic material at different levels of magnification. Which of the following is demonstrated by level D?

• gene

• nucleus

• chromosome

• DNA molecule

Which TWO smaller molecules would make up the blue spiraling part of the large molecule shown here? (Choose 2 answers.)

• deoxyribose

• phosphate

• nitrogen bases

• ribose

Tags

NGSS.HS-LS1-1

The colored parts connecting the spiraling sides of this large molecule are composed of:

• deoxyribose

• phosphate

• nitrogen bases

• ribose

Tags

NGSS.HS-LS1-1

The nitrogen bases on one side of a DNA molecule read "CGTAGA". What would the matching nitrogen bases on the other side of the DNA molecule read?

• GCATCT

• GCAUCU

• CGTAGA

• ATGCTC

DNA is often described has having a "twisted ladder" shape. What two-word phrase would a scientist use to describe the shape of a DNA molecule?

A polymer made up of many amino acids linked together is called a(n):

• DNA molecule

• RNA molecule

• protein molecule

• glucose molecule

How many different amino acids are used by cells to make proteins?

• 4

• 20

• 64

• 3.2 million