Living Environment Regents Review

Cellular respiration is called an aerobic process because it requires_____

• exercise

• light

• glucose

• oxygen

Each body cell contains the same genetic information, but can differ in appearance

and size. The diagram below shows three different types of cells found in the human

body.

A. Identify one similarity, other than the genetic information, that these body cells have.

B. Explain why differences in these human body cells are a biological advantage.

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Explain why glucose molecules can cross a cell membrane and starch molecules can not.

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A photograph of human cells as seen with a

compound light microscope is shown below. A

cell structure is labeled A.

Structure A is most likely a

• mitochondrion that synthesizes food for the

  cell

• nucleus that is the site of food storage

• nucleus that is responsible for the storage of

  information

• mitochondrion that absorbs energy from the

  Sun

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Which diagram best illustrates the relationship between the number of cells, tissues, and organs in a

complex multicellular organism?

• 
• 
• 
• 

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State one way the two molecules could differ that would explain the difference in their ability to pass through

the artificial plant cell membrane.

(a)  

Answer explanation

— Molecule A is smaller than molecule B.

— Molecule B has an electrical charge.

— They could be different sizes.

— size of the molecule

— One is a sugar/monosaccharide and the other is a starch/polysaccharide.

Match the following definitions

• Another way to say "Homeostasis"

• Feedback Mechanism

• All chemical processes in the body

• Dynamic Equilibrium

• Cycles to maintain homeostasis

• Homeostasis

• A balanced state in the body

• Metabolism

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Reorder the following from smallest unit to largest

• Organ

• Cell

• Organelle

• Organ System

• Tissue

Match the following

• Controls what enters and leaves cell

• Ribosomes

• Contains DNA

• Mitochondria

• Synthesize (build) proteins

• Chloroplast

• Does cellular Respiration; energy

• Cell Membrane

• Carries out photosynthesis

• Nucleus

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​ (a)   are self feeders that use ​ (b)   materials from the environment such as ​ (c)   and synthesize ​ (d)   materials for their own purposes such as ​ (e)   .

• Autotrophs

• inorganic

• carbon dioxide

• organic

• glucose

• Heterotrophs

• Carnivores

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