Biology EOC 2

Movement of materials down the concentration gradient through a protein channel is an example of 

• facilitated diffusion
• active transport
• respiration
• osmosis 

What structures do protists and paramecium use to remove waste?

• Cillia
• Flagella
• Psuedopods
• Contractile Vacuole 

Humans are made up of different cells that preform different functions. From which cells do nerve cells develop? 

• Muscle cells
• Stem cell
• Sperm cells
• White blood cells 

Which uses cilia for movement?

• Euglena
• Amoeaba
• Paramecium
• Volvox

Which best describes the function of enzymes?

• to speed up chemical reactions in a cell
• to produce cellular energy
• to produce proteins
• to speed up cell division

What are the products of photosynthesis? 

• glucose and oxygen
• glucose and carbon dioxide
• glucose and water
• water, carbon dioxide, and energy

Which process uses ATP to move materials across the plasma membrane against the concentration gradient?

• passive transport
• active transport 
• facilitated diffusion
• osmosis

Which process of the carbon cycle removes carbon dioxide from the atmosphere? 

• photosynthesis
• cellular respiration
• combustion of fossil fuels 
• death and decomposing organisms 

What type of growth is shown by the human population? 

• Carrying capacity
• Logistical
• Exponential
• Stabilizing 

Which statement describes how complementary strands of DNA are linked?

• each sugar in one strand is paired with a complementary base in the other strand. 
• Each sugar in one strand is pained with a complementary phosphate in the other strand
• Each phosphate in one strand is paired with a complementary phosphate in the other
• Each base in one strand is paired with a complementary base in the other