Middle School Science

The sugar in DNA is ?

• sucrose

• glucose

• deoxyribose

• fructose

X outlines a(n) ___________.

• amino acid

• nitrogen base 

• nucleotide

• nitrogen base pair

Tags

NGSS.MS-LS3-1

Identify #2.

• nitrogen base

• phosphate group

• deoxyribose sugar

• nucleotide

Tags

NGSS.HS-LS1-1

If a DNA molecule consists of 29% Guanine, how much cytosine will it contain?

• 29%

• 58%

• 21%

• I have no idea.

Which of the following best describes the ecological relationships of the organisms in the food web?

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Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

A student is investigating the process that changes steel into rust. According to the table, which of the beakers from Investigation 1 does not show evidence of a chemical change?

• Beaker X

• Beaker Y

• Beaker Z

Tags

NGSS.MS-PS1-2

Which of the following describes what primarily causes the ocean tides in Massachusetts?

• Convection from plate tectonics

• Gravity from the Moon and the Sun

• Convection from Earth's north and south poles

• Magnetism from Earth's north and south poles

Tags

NGSS.MS-ESS1-1

NGSS.MS-PS2-4

Which of the following shows the order of formation from oldest to youngest?

• W, X, Y, Z

• Z, Y, X, W

• W, Y, X, Z

• Z, X, Y, W

Tags

NGSS.MS-ESS1-4

A plant (Rr) is crossed with a plant (rr). Which Punnett square correctly shows this cross?

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• 
• 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Given the Punnett square for the traits of rounded seeds (dominant R) and wrinkled seeds (recessive r), what is the probability that an offspring will have rounded seeds?

• 0

• 1