Biology Biochemistry

How do marine organisms affect the Earth as a whole?

• They help regulate the climate (remove carbon dioxide from atmosphere)

• They produce more than half of the oxygen in our atmosphere

• They can show us how human activities affect the ocean

• All answers are correct

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If you were researching an anti-venom for sea snakes, what discipline of marine biology would you focus on?

• the chemistry of living things (biochemistry)

• marine botany

• geology

• ecology

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What are the building blocks of proteins?

• Nucleotides

• Monosaccharides

• Amino Acids

• Polysaccharides

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Which molecule stores and transmits genetic information in living organisms?

• Lipids

• Carbohydrates

• DNA

• Proteins

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What is a simple sugar that serves as a primary source of energy for cells?

• Glycogen

• Cellulose

• Glucose

• Starch

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What type of macromolecule is responsible for speeding up chemical reactions in living organisms?

• Lipids

• Enzymes

• Nucleic Acids

• Polysaccharides

What are organic macromolecules that store and transmit genetic information?

• Lipids

• Proteins

• Nucleic Acids

• Carbohydrates

What are proteins made of?

• Nucleotides

• Amino acids

• Glucose molecules

• Fatty acids

What is the primary role of RNA?

• Energy storage

• Protein synthesis and gene expression

• Structural support

• Enzyme catalysis

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NGSS.HS-LS1-1

What is the role of hemoglobin in the body?

• Storing energy

• Transporting oxygen

• Regulating blood glucose

• Catalyzing reactions