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Exploring DNA and Cellular Functions

Authored by Dani White-Yelito

Science

12th Grade

NGSS covered

Exploring DNA and Cellular Functions
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the subatomic particles contributes almost no weight to an atom?

protons in the electron shells

electrons in the nucleus

neutrons in the nucleus

electrons at various energy levels

Tags

NGSS.HS-LS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The atomic number tells you the:

number of neutrons in the nucleus.

number of protons in the atom.

atomic mass of the atom.

number of its electrons if the atom is neutral.

Tags

NGSS.HS-LS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An atom that has two electrons in the outer shell, such as calcium, would most likely:

share to acquire a completed outer shell.

lose these two electrons and become a negatively charged ion.

lose these two electrons and become a positively charged ion.

bind with carbon by way of hydrogen bonds.

Tags

NGSS.HS-LS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Radioactive elements differ in their:

number of protons.

atomic number.

number of neutrons.

number of electrons.

Tags

NGSS.HS-LS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

When an atom gains electrons, it:

forms a negatively charged ion.

forms a positively charged ion.

forms covalent bonds.

forms ionic bonds.

Tags

NGSS.HS-LS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A covalent bond is indicated by:

plus and minus charges attached to atoms.

dotted lines between hydrogen atoms.

concentric circles about a nucleus.

overlapping electron shells or a straight line between atomic symbols.

Tags

NGSS.HS-LS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The shape of a molecule:

is dependent in part on the angle of bonds between its atoms.

influences its biological function.

is dependent on its electronegativity.

is dependent on its place in the periodic table.

Tags

NGSS.HS-LS1-1

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