Biology TEKS

Which statement is true about photosynthesis?

• Carbon dioxide is produced

• Sugar is produced

• Oxygen is consumed

• It occurs in the mitochondria

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which biomolecule is correctly paired with its function?

• Lipids - express genes

• Protein - form enzymes

• Carbohydrates - create hormones

• Nucleic acids - insulate animal tissue

What happens to this metabolic pathway when enzyme B is removed?

• The reaction skips enzyme B and goes to enzyme C

• The reaction slows down

• The reaction speeds up

• The reaction stops

In the Enzyme-Substrate Complex shown above, what is represented by Y?

• Enzyme

• Substrate

• Active site

• Product

What does Step III in the diagram above illustrate?

• Enzyme specificity

• Changes in enzymes after reaction

• Conversion of substrate into products

• Release of activation energy

Which of the following statements accurately names and describes the function of the organelle labeled B?

• A mitochondrion produces energy from food to power cellular processes.

• A mitochondrion produces food using radiant energy.

• A chloroplast produces energy from food to power cellular processes.

• A chloroplast produces food using radiant energy.

Tags

NGSS.HS-LS1-7

What cellular process is occurring in the organelle labeled A?

• Photosynthesis

• Cellular respiration

• Chemosynthesis

• Protein Synthesis

Tags

NGSS.HS-LS1-5

Analyze the graphic above. What are the chemicals represented by the Y?

• H₂O +O₂

• H₂O + CO₂

• C₆H₁₂O₆ + O₂

• C₆H₁₂O₆ + CO₂

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-7

Which of the following macromolecules is a prominent part of animal tissue that functions in helping animals conserve heat?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

Which is the most valid conclusion based on this graph?

• Enzymes are not affected by temperature.

• Enzymes work most effectively at low temperatures.

• Raising the temperature always makes an enzyme work better

• Enzyme function decreases after a certain optimal temperature