04.1 - Energy and Life (25pts.)

Cells use a molecule called ​ (a)   to store and release energy like a battery. The energy is stored in chemical bonds between ​ (b)     groups of the molecule, and the energy is released when the chemical bonds are broken.

• ATP

• phosphate

• RNA

• CMP

• ribose

• nucleotide

Answer explanation

Cells use ATP to store and release energy like a battery. The energy is stored in chemical bonds between phosphate groups of the molecule, and released when the bonds are broken.

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HS-LS2-5

HS-LS2-3

Tag the SUGAR ribose.

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HS-LS1-7

Tag the Phosphate that is lost during energy transfer.

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HS-LS1-7

Which stage of the cycle would you select for a energy molecule after active transport has taken place?

Tags

HS-LS2-5

Plants, algae, and some bacteria use the energy of sunlight in the process of  ​ (a)   . The process converts the energy from sunlight into chemical energy stored in the bonds of ​ (b)  

• photosynthesis

• photoperiodism

• herbivory

• respiration

• carbohydrates

• lipids

• proteins

Answer explanation

Plants, algae, and some bacteria use the energy of sunlight in the process of photosynthesis. This process converts the energy from sunlight into chemical energy stored in the bonds of carbohydrates.

Tags

HS-LS1-5

Organize these options into the right categories

Groups:

(a) Heterotroph

,

(b) Autotroph

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

Tags

HS-LS2-5

Match the following molecule to their description

• Molecule with stored chemical energy

• 
• Molecule that can hold 90x energy of ATP

• 
• Molecule with less stored energy

• 
• Part of ATP that breaks off

• 

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HS-LS1-7

Which of these events occurs during the normal function of ATP in the cell?

• A chemical bond forms between the adenine unit and the third phosphate group.

• The chemical bond breaks between the adenine and ribose units.

• The chemical bond breaks between the ribose unit and the first phosphate group.

• The chemical bond breaks between the second and third phosphate groups.

Answer explanation

The correct choice is when the chemical bond breaks between the second and third phosphate groups during the normal function of ATP in the cell.

Tags

HS-LS2-3

Which statement BEST describes the relationship between adenosine diphosphate (ADP) and adenosine triphosphate (ATP)?

• With an input of energy, ADP rearranges to become ATP.

• Without any energy change, ADP rearranges to become ATP.

• With an input of energy, ADP combines with a phosphate group to become ATP.

• With a release of energy, ADP combines with a phosphate group to become ATP.

Answer explanation

ADP combines with a phosphate group to form ATP with an input of energy, representing the relationship between the two molecules.

Tags

HS-LS1-7

Which would be the MOST useful next step for Chloe to develop the photosynthesis model further?

• Extend the lines for sunlight so that they pass through the autotroph.

• Represent a chemical reaction in the autotroph that produces high-energy carbohydrates.

• Represent a chemical reaction in the autotroph that produces high-energy proteins.

• Draw a circle to represent a heterotroph, and draw a line to connect it to the autotroph.

Answer explanation

The correct choice is to represent a chemical reaction in the autotroph that produces high-energy carbohydrates, as this step would further develop the photosynthesis model by showing the key process of energy production.

Tags

HS-LS1-5