Biochemistry and the cell

Eukaryotes differ from prokaryotes because eukaryotes have

• DNA
• cytoplasm
• a cell membrane
• membrane-bound organelles

Which organelle is responsible for energy production in eukaryotic cells?

• nucleus
• cytoskeleton
• mitochondrion
• Golgi apparatus

Which of the following are rarely found in plant cells?

• vacuoles
• lysosomes
• chloroplasts
• cytoskeletons

Which of the following processes requires energy?

• osmosis
• diffusion
• active transport
• facilitated diffusion

Stomach cells need to package and secrete large amounts of enzymes for use in digestion. Which of the following organelles would be found in a higher-than-normal frequency in stomach cells?

• ribosomes
• lysosomes
• chloroplasts
• Golgi apparati

The liver is an animal organ that removes and processes waste materials from the blood. Which of the following organelles would be found in a higher-than-normal frequency in liver cells?

• ribosomes
• lysosomes
• mitochondria
• Golgi apparati

Which of the following has the HIGHEST pH?

• stomach acid
• lemon juice
• human blood
• sea water

How are covalent bonds different from ionic bonds?

• covalent bonds involve the valence electrons, whereas ionic bonds do not.
• Covalent bonds are extremely weak, whereas ionic bonds are extremely strong
• Covalent bonds involve electron sharing, whereas ionic bonds involve electron transfer.
• Covalent bonds consist of just two atoms, whereas ionic bonds consist of three or more ions.

Tags

NGSS.HS-PS1-1