Biology Mid Term

Building blocks of proteins are

• Simple sugars
• Amino acids
• Monosaccharides
• Polysaccharides

Tags

NGSS.HS-LS1-1

Two structures present in plant cells but NOT animal cells are:

• Chloroplasts and centrioles
• Chloroplasts and cell wall
• Chloroplasts and cell membrane
• Chloroplasts and ribosomes

Controls what goes in and out of the cell

• Cell membrane
• Cell wall
• Chloroplasts
• Nucleus

One of the main difference between prokaryotic and eukaryotic cells is that - 

• eukaryotic cells have a nucleus
• eukaryotic cells have a smaller cell nucleus
• prokaryotic cells do not have a plasma membrane
• prokaryotic cells are always much larger

The process of photosynthesis converts which type of energy to chemical energy?

• heat
• kinetic
• potential
• light

Tags

NGSS.HS-LS1-5

What is true about enzymes?

• They act on nonspecific, randomly chosen substrates.
• After a reaction, they cannot be reused.
• They can speed up metabolic processes in the body.
• They cannot change shape.

The organelle that provides energy for the cell and acts like the "power house" is the

• Nucleus
• Lysosome
• Golgi bodies
• Mitochondria

Tags

NGSS.MS-LS1-7

What makes a water molecule polar?

• Water has the ability to be frozen.
• A water molecule has a slight opposing charge on each end
• A water molecule is made up of three atoms.
• The pH of pure water varies with the temperature.

Tags

NGSS.HS-ESS2-5

Carbon can only for triple bonds

• Maybe
• True
• False
• I don't know

Neutral solutions have a pH of ______________?

• 4.5
• 7
• 6
• 21