Life at the Molecular and Cellular Level for TD

Which of the following is the building block of proteins?

• Nucleotides

• Amino acids

• Fatty acids

• Monosaccharides

Tags

NGSS.HS-LS1-6

What is the primary function of nucleic acids in cells?

• Store energy

• Store and transmit genetic information

• Provide structural support

• Speed up chemical reactions

Tags

NGSS.HS-LS1-1

Which macromolecule is primarily responsible for catalyzing biochemical reactions in the cell?

• Carbohydrates

• Proteins

• Lipids

• Nucleic acids

Which structure controls the movement of substances into and out of the cell?

• Nucleus

• Cell membrane

• Mitochondria

• Ribosome

Tags

NGSS.MS-LS1-2

What is the function of ribosomes in a cell?

• Store genetic material

• Synthesize proteins

• Produce energy

• Transport substances

Which of the following best describes the role of enzymes in biological systems?

• They provide energy for reactions

• They speed up chemical reactions by lowering activation energy

• They store genetic information

• They transport molecules across membranes

Which of the following is a characteristic unique to multicellular organisms?

• Composed of a single cell

• Specialized cells performing different functions

• Lack of cellular organization

• No need for energy

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Which process describes the movement of water across a selectively permeable membrane?

• Diffusion

• Osmosis

• Active transport

• Endocytosis

Which of the following best explains why DNA is important for protein synthesis?

• DNA provides energy for the cell

• DNA contains the instructions for assembling amino acids in the correct order

• DNA transports proteins to their destination

• DNA breaks down waste products

Tags

NGSS.HS-LS1-1

How do the structures of plant and animal cells differ in terms of energy production?

• Only animal cells have mitochondria

• Only plant cells have chloroplasts for photosynthesis

• Both have chloroplasts

• Both lack mitochondria

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5