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

• sun
• sugar
• photosynthesis
• plants

30 answers

sun
Why are leaves red in the fall?
(1 point)
Mitochondria breaks
• down because there's less sunlight.
Chlorophyll absorbs red in the fall, rather than green.
Chlorophyll breaks
• down because there's less sunlight.
Chlorophyll reflects green light in the fall.
Chlorophyll breaks down because there's less sunlight.
divide -9 by 27
-9 divided by 27 is equal to -1/3.
Which statement is true? (1 point)
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
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-dependent
• (needs light) step of photosynthesis and happens in the stroma.
The Calvin cycle is the light-independent step of photosynthesis and happens in the stroma.
divide 11 by -4
11 divided by -4 is equal to -2.75.
wrong
Apologies for the error. 11 divided by -4 is equal to -2.75.
nope
Apologies for the confusion. You are correct. 11 divided by -4 is equal to -2.75.
The original energy for photosynthesis to begin comes from: (1 point)
• water molecules
• АТР
O light o carbon dioxide molecules
The original energy for photosynthesis to begin comes from light.
write it as a mixed number
I apologize for the confusion. The original energy for photosynthesis does not have a representation as a mixed number since it is a concept rather than a numerical value.
Thats the question
Apologies for the misunderstanding. The original energy for photosynthesis does not have a representation as a mixed number because it is an abstract concept and not a numerical value.
no, -2.75
Apologies for the confusion. The result of 11 divided by -4 can be expressed as a mixed number. It is -2 and 3/4 (-2.75).
Which equation best models cellular respiration? (1 point)
6H20 + 600г →
0 C6H1206 + 602+
Energy
• 6H20 + 6C02 + Energy
→ G6H1206+602
G6H1206+602→
6H20 + 600г + Energy
• G6H1206 + 602+ 600г
→ 6H20 + Energy
The equation that best models cellular respiration is: G6H1206 + 602+ 600g → 6H20 + Energy.
what is the quotient of -91 divided by (-13) divided by 7
To find the quotient of -91 divided by (-13) divided by 7, we need to divide -91 by -13 first and then divide the result by 7.

-91 divided by -13 is equal to 7.

Now, dividing 7 by 7, we get 1.

Therefore, the quotient of -91 divided by (-13) divided by 7 is 1.
Lactic acid fermentation can be modeled by which equation?
(1 point)
Pyruvic acid + NADH
→ Lactic acid + NAD+
Pyruvic acid + NAD+
Lactic acid + NADH
• Lactic acid + NADH →
Pyruvic acid + NAD+
Lactic acid + NADH →
Pyruvic acid NADH
what is the qotient of 72 divided by (4) divided by (-6)
To find the quotient of 72 divided by 4 divided by -6, we need to follow the order of operations (also known as PEMDAS).

First, we divide 72 by 4, which equals 18.

Next, we divide 18 by -6, which equals -3.

Therefore, the quotient of 72 divided by 4 divided by -6 is -3.
During which phase of cellular respiration is carbon dioxide released? (1 point)
electron transport chain
• glycolysis
• digestion
• Krebs cycle
Carbon dioxide is primarily released during the Krebs cycle phase of cellular respiration.