DNA intro

The control center of a cell

• Mitochondria

• Vacuoles

• Nucleus

• Golgi apparatus

Tags

NGSS.MS-LS1-2

DNA stands for:

• Deoxyribonucleic Acid

• Oxygenoic Acid

• Diethylene Acid

• Carbonic Acid

DNA is a very long chain made up of thousands of repeating units called

• bases.

• DNA units.

• sugars.

• nucleotides.

DNA is made up of all of the following EXCEPT

• sugar group

• phosphate group

• lipid group

• nitrogen base

Select all descriptions that describe the structure of DNA.

• Twisted Ladder

• Two spiraling strands

• Parallel Ladder

• Double Helix

Which of the following steps is NOT an actual step in DNA replication?

• Initiation

• Termination

• Isolation

• Elongation

A __________________ is an allele where the physical characteristics are NOT expressed in an individual.

• dominant allele

• silent allele

• recessive allele

• heterozygous allele

The nucleus contains:

• cell wall

• DNA

• nutrients

• cytoplasm

Tags

NGSS.MS-LS1-2

In which organisms is DNA found?

• prokaryotes

• eukaryotes

• proteins

• single-celled organisms

DNA contains the instructions needed for an organism to (check all that apply):

• develop

• survive

• reproduce

• respond to stimuli

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

NGSS.MS-LS4-4