Biology Final Exam

Building blocks of proteins are

• Simple sugars
• Amino acids
• Monosaccharides
• Polysaccharides

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

A scientist was studying the effect of temperature on bacterial growth.  What is the independent variable?

• Length of the experiment
• Number of bacteria
• Reproduction rate
• Temperature

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

Which is NOT TRUE about a prokaryotic bacteria?

• It stores its genetic information in DNA
• It has ribosomes to make proteins
• It has a cell membrane
• It has a membrane-bound nucleus

The passive transport of water across a selectively permeable membrane is called___

• Osmosis
• Facilitated diffusion
• Active transport
• Exocytosis

Sugar, starch and cellulose are examples of

• Lipids
• Carbohydrates
• Proteins
• Nucleic Acids

Fats, oils and waxes are examples of 

• Nucleic Acids
• Carbohydrates
• Lipids
• Proteins

Diffusion is the movement of molecules from____

• an area of low concentration to an area of high concentration
• an area of high concentration to an area of low concentration
• an area of equilibrium to an area of high concentration
• no movement at all

Most cellular activities are processes regulated by the action of ____

• Polysaccharides
• Lipids 
• Enzymes
• Carbohydrates

Tags

NGSS.MS-LS1-7

What is an enzyme?

• A biological catalyst that works in living cells to speed up chemical reactions.
• A biological catalyst that works outside living cells to speed up chemical reactions.
• A protein that increases activation energy
• A product of chemical reactions.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5