What did we learn in Biology?

What is the center of the cell where the DNA is housed called?

• Mitochondria

• Nucleus

• Center party thingy

• Cell wall

Which is correct, going from SMALL to BIG?

• organ > tissue > organism > organ system

• tissue > organism > organ system > organ

• tissues > organ > organ system > organism

• organism > organ > organ system > tissues

What are the smallest living things?

• organelles

• molecules

• elements

• cells

Which of the following is a BIOTIC factor in an ecosystem?

• oxygen

• water

• leaves falling from trees

• soil

Which of the following is an ABIOTIC factor in an ecosystem?

• grass

• squirrels

• bacteria

• sunlight

Photosynthesis happens in...

• heterotrophs

• autotrophs

• animals

• humans

Plants look green because they absorb green light.

• True

• False

Plants use photosynthesis to make...

• glucose (food)

• carbon dioxide (CO2)

• sunlight

• chloroplasts

The shape of DNA is known as the:

• hydrogen twist

• antiparallelogram

• double helix

• triple helix

Transcription of the DNA sequence AAGTTC will produce mRNA with the sequence:

• AAGTTC

• TTGUUC

• UUCAAG

• TTCAAG