Chromosomes and DNA

Why is DNA important?

• it is very small and very complicated

• it's in everything

• it serves as the blueprint for traits of all living things

• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

• chromosome

• DNA

• genes

• heredity

Tags

NGSS.HS-LS3-1

Base that pairs with thymine.

• guanine

• cytosine

• adenine

• phosphate

The base that pairs with guanine.

• cytosine

• adenine

• phosphate

• thymine

When bases do not pair up correctly. It changes the genetic sequence.

• genetic mutation

• disease

• genetic error

• mutant

Tags

NGSS.HS-LS3-2

The control center of the cell, containing DNA.

• nucleus

• ribosome

• cell membrane

• nucleotide

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine

• adenine, thymine cytosine, and guanine

• adenine, thymine, cytosine, and gylcerol

• adenine, thymine, cytosine, and glucose

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication

• Translation

• Transcription

A single piece of coiled DNA found in the cells; contains genes that encode traits.

• gene

• chromosome

• trait

• DNA

Tags

NGSS.HS-LS3-1