Structure

Which parts of the atom move around the nucleus?

• electrons

• protons

• electrode particles

• neutrons

The name of this particle means indivisible and it is the building block of matter

• molecule

• compound

• atom

• isotope

Tags

NGSS.MS-PS1-1

The sugar found in DNA.

• phosphate

• cytosine

• deoxyribose

• dextrose

Two strands of nucleotides wound about each other; the shape of DNA.

• helix

• spiral

• double helix

• ladder

The chemicals that make up the rungs of the DNA ladder.

• deoxyribose

• phosphate

• nitrogen bases

• nucleotides

Nucleotides are made of a molecule of deoxyribose, connected to a phosphate & a nitrogen base. They make up one side of the DNA double helix.

• true

• false

The control center of the cell, containing DNA.

• nucleus

• ribosome

• cell membrane

• nucleotide

Tags

NGSS.MS-LS1-2

This part of the nucleotide helps hold the DNA structure together.

• base

• deoxyribose

• guanine

• phosphate

Found in the nucleus of an atom. This particle has a positive charge.

• Neutron

• Proton

• Electron

• Decepticon

Tags

NGSS.HS-PS1-8

What is the primary structure of a protein?

• A sequence of amino acids

• A folded 3D shape

• A complex of multiple proteins

• A double helix