AP Bio 3.4-3.7 Photosynthesis and Cellular Respiration

In what organism did photosynthesis first evolve?

• eukaryotic cells

• prokaryotic cells

• archea

• bacteria

primary location for photosynthesis in plants

• stem

• roots

• leaves

Answer explanation

found in mesophyll, the cells that are found in the interior tissue of a leaf

Stomata are present for CO2 and O2 exchange

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which reactant is split in the photosynthesis chemical formula

• CO2

• H2O

• Light Energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Explain was OIL RIG stands for.

Answer explanation

OIL oxidation is loss

RIG reduction is gain

Tags

NGSS.HS-PS1-2

Which of the following is a light independent reaction

• photosynthesis

• light dependent

• calvin cycle

• heterotrophs

Where do light dependent reactions occur?

• stroma

• grana

• thylakoid

• inner membrane

There are two answers to this question.. What are your two energy forms in photosynthesis?

• ADP and NADH

• NADPH and ATP

What excites the photons at the beginning of the light dependent reaction?

• NADH

• LIGHT

• NADPH

• H2O

Tags

NGSS.HS-LS1-5

Which photosystem goes first in the light dependent reaction?

• PS1

• PS2

AFTER the electron is excited from light in PS2...what molecule is split?

• Oxygen

• ATP

• Water

• NADPH

Tags

NGSS.HS-LS1-5