FINAL EXAM Chapter 1-Biochemistry and the Unity of Life Flashcards

1
Q

Know the abundant elements that are important for Biochemistry

A
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2
Q

What are the four major classes of Biomolecules?

A

-Proteins
-Nucleic Acid
-Lipids
-Carbohydrates

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3
Q

What roles does a protein have?

A

-Signal molecules
-Receptors for signal molecules and enzymes
-Biological catalysts

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4
Q

What are Nucleic Acids? and what are the two types of Nucleic Acid?

A

-Information molecules of the cell
-DNA and RNA

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5
Q

What are lipids?

A
  • Storage form of fuel and serve as a barrier
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6
Q

What are the dual properties of a lipid?

A

-Hydrophobic tail
-Hydrophilic head

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7
Q

What are Carbohydrates?

A

important fuel source

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8
Q

What enzyme is DNA replicated by?

A

DNA polymerase

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9
Q

Which enzyme catalyzes transcription?

A

RNA polymerase

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10
Q

Translation occurs within__________

A

Ribosomes

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11
Q

What is the key difference between Eukaryotes and Prokaryotes ?

A

Eukaryotes have membrane enclosed compartment inside the cell and prokaryotes lack that.

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12
Q

What is the key difference between Plant cells and Animal cells?

A

Plant cells have a cell wall and a cell membrane but Animal cells have only a cell membrane

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13
Q

What is the function of a Plasma membrane ?

A

-Separates the inside of the cell from the outside.

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14
Q

What is the function of a plant vacuole?

A

-to store water, ions, and various nutrients
-Keeps the cell rigid by increasing pressure inside the cell

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15
Q

What is the function of a Cytoplasm

A

gel like fluid in the cell, it is the medium for any reactions

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16
Q

What is the function of MItochondria?

A

Primary site of ATP generation in eukaryotic cells

17
Q

Function of Chloroplasts?

A

Found in plant cells, the site of photosynthesis

18
Q

What are the roles of both the Endoplasmic ER ?

A

Rough ER plays a role in protein processing
Smooth ER plays a variety of biochemical forces

19
Q

What is the function of Golgi Complex?

A

-play a role in protein sorting-

20
Q

What happens during exocytosis?

A

-Secretory granules secrete biomolecules. in the process of exocytosis

21
Q

What is the function of Endocytosis?

A

-bringing molecules into the cell

22
Q

WHat is the function of Phagocytosis?

A
  • Large amounts of material can be taken into the cell by process of phagocytosis
23
Q

What is the function of a Lysosome?

A

-contain variety of digestive enzymes