Biology Concepts

DNA is abbreviated as

• Deoxy robose nucleic acid

• Deamino ribose nucleic acid

• Deoxy ribose nucleic acid

• None

A prokaryote

• Do not contains chromosome

• Do not contains DNA

• Do not contains nucleus

• None

Acts like a gatekeeper- allowing some materials to pass through it, but not others. 

• cytoplasm
• cell membrane
• mitochondria
• vacuoles

Tags

NGSS.MS-LS1-2

What structure is in  plant cells but not animal cells. 

• cell membrane
• mitochondria
• cell wall
• vacuole

What is number 14?

• stage clips
• stage
• diaphragm
• light source

What is diffusion?

• when molecules move from a low concentration to a high concentration 
• when molecules move from a high concentration to a low concentration.
• no movement 
• molecules move everywhere

Tags

NGSS.MS-PS1-4

"powerhouse of the cell" breaks down sugar molecules to release energy, site of cellular respiration, double membrane, self-replicating, contains own DNA, cristae

• Mitochondria
• Chloroplast
• Cell Wall
• Vesicle

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

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.MS-LS3-1

NGSS.MS-LS4-4

Which is the BEST description of biology?

• the study of humans and animals
• the study of life and living things
• the study of health care
• the study of humans, plants, and animals