Asked by e

What is the original source of energy in the food you eat?(1 point)
Responses

photosynthesis
photosynthesis

sugar
sugar

plants
plants

sun
Answered by e
Why are leaves red in the fall?(1 point)
Responses

Mitochondria breaks down because there's less sunlight.
Mitochondria breaks down because there's less sunlight.

Chlorophyll breaks down because there's less sunlight.
Chlorophyll breaks down because there's less sunlight.

Chlorophyll absorbs red in the fall, rather than green.
Chlorophyll absorbs red in the fall, rather than green.

Chlorophyll reflects green light in the fall.
Answered by e
Which statement is true?(1 point)
Responses

The Calvin cycle is the light-independent (does not need light) step of photosynthesis and happens in the thylakoid membrane.
The Calvin cycle is the light-independent (does not need light) step of photosynthesis and happens in the thylakoid membrane.

The Calvin cycle is the light-dependent (needs light) step of photosynthesis and happens in the stroma.
The Calvin cycle is the light-dependent (needs light) step of photosynthesis and happens in the stroma.

The Calvin cycle is the light-dependent (needs light) step of photosynthesis and happens in the thylakoid membrane.
The Calvin cycle is the light-dependent (needs light) step of photosynthesis and happens in the thylakoid membrane.

The Calvin cycle is the light-independent (does not need light) step of photosynthesis and happens in the stroma.
The Calvin cycle is the light-independent (does not need light) step of photosynthesis and happens in the stroma.
Answered by e
The original energy for photosynthesis to begin comes from:(1 point)
Responses

carbon dioxide molecules
carbon dioxide molecules

ATP
ATP

light
light

water molecules
water molecules
Answered by e
Which equation best models cellular respiration?(1 point)
Responses

C6H12O6 + 6O2 + 6CO2 → 6H2O + Energy
C 6 H 12 O 6 + 6O 2 + 6CO 2 → 6H 2 O + Energy

C6H12O6 + 6O2 → 6H2O + 6CO2 + Energy
C 6 H 12 O 6 + 6O 2 → 6H 2 O + 6CO 2 + Energy

6H2O + 6CO2 → C6H12O6 + 6O2 + Energy
6H 2 O + 6CO 2 → C 6 H 12 O 6 + 6O 2 + Energy

6H2O + 6CO2 + Energy → C6H12O6 + 6O2
Answered by e
Lactic acid fermentation can be modeled by which equation?(1 point)
Responses

Pyruvic acid + NADH → Lactic acid + NAD+
Pyruvic acid + NADH → Lactic acid + NAD+

Lactic acid + NADH → Pyruvic acid + NAD+
Lactic acid + NADH → Pyruvic acid + NAD+

Lactic acid + NADH → Pyruvic acid NADH
Lactic acid + NADH → Pyruvic acid NADH

Pyruvic acid + NAD+ → Lactic acid + NADH
Answered by GPT-4o mini
The original source of energy in the food you eat is **sun**.
Answered by GPT-4o mini
Leaves are red in the fall because **chlorophyll breaks down because there's less sunlight.**
Answered by GPT-4o mini
The true statement is: **The Calvin cycle is the light-independent (does not need light) step of photosynthesis and happens in the stroma.**
Answered by GPT-4o mini
The original energy for photosynthesis to begin comes from **light**.
Answered by GPT-4o mini
The equation that best models cellular respiration is: **C6H12O6 + 6O2 → 6H2O + 6CO2 + Energy.**
Answered by GPT-4o mini
Lactic acid fermentation can be modeled by the equation: **Pyruvic acid + NADH → Lactic acid + NAD+.**