Bio Final Exam

Question 1 of 39

1

What is a Metabolic pathway?

Select one of the following:

Metabolic energy that is captured more easily if it is released in large amounts rather than in small
A series of steps (in cells) in which molecules are broken down OR assembled
substrates fit onto the enzyme in such a way that they are oriented to react.

Explanation

Question 2 of 39

1

Enzymes catalyze (speed up) reactions in metabolic pathways

Select one of the following:

True
False

Explanation

Question 3 of 39

1

Energy transformations are always 100% efficient.

Select one of the following:

True
False

Explanation

Question 4 of 39

1

Organisms are open systems (constant energy in-flow).

Select one of the following:

True
False

Explanation

Question 5 of 39

1

Shape determines protein function. Enzymes are proteins.

Select one of the following:

True
False

Explanation

Question 6 of 39

1

Substrate molecules bind to Enzymes active sites

Select one of the following:

True
False

Explanation

Question 7 of 39

1

What is chemical energy responsible for?

Select one of the following:

Chemical energy determines how active certain chemicals in your bloodstream are
Providing living cells with energy from food
Providing the energy the body needs to regulate the amount of chemicals in the body.
All of the above

Explanation

Question 8 of 39

1

What is encode?

Select one of the following:

one must attend
one must review
one must rehearse

Explanation

Question 9 of 39

1

What does it mean to consolidate?

Select one of the following:

One must review
One must attend
One must rehearse

Explanation

Question 10 of 39

1

Which of the following is NOT a component of the Unified Cell Theory?

Select one of the following:

All living things are composed of one or more cells
All new cells arise from existing cells
A network of protein fibers that maintain the shape of the cell
The cell is basic unit of life (the smallest entity that can be “living”)

Explanation

Question 11 of 39

1

Which of the following is NOT a component of Plasma Membrane

Select one of the following:

Cholesterol
Proteins
Carbohydrates
Ribosomes
Phospholipids

Explanation

Question 12 of 39

1

Which of the following does not stand true for Membrane Functions and molecules that perform functions:

Select one of the following:

Carbohydrates→ “identification tags” showing type of cell and whether it belongs in organism
Proteins→ “doors” and “pumps” for transporting molecules in or out of the cell
Cholesterol→ gives stability to fluid membrane of animal cells and responds to temperature conditions in the cell’s environment
Ribosomes→ a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cell
Osmosis→ diffusion of water molecules across a permeable membrane
Flows from high to low→ molecules, from high to low concentration

Explanation

Question 13 of 39

1

Which of the following does NOT require energy?

Select one of the following:

Sugars flowing through protein channels from high blood levels to low levels in brain cells
Movement of sodium ions from low concentration outside a cell to higher concentration inside a cell
Moving fat or lipid molecules from low concentration in the blood to high concentration in fat storage cells

Explanation

Question 14 of 39

1

Which of the following DOES require energy?

Select one of the following:

Flow of oxygen-rich red bloods cells, to oxygen-starved muscle cells during exercise
Diffusion of water or gases through the membrane.
Moving fat or lipid molecules from low concentration in the blood to high concentration in fat storage cells

Explanation

Question 15 of 39

1

-In all the cases below, blood sugar (glucose) is flowing into a cell, through a channel protein in the cell membrane.
In which case will the flow of sugar be fastest?

Select one of the following:

Sugar concentration outside the cell: 10%. Sugar concentration inside the cell: 3%
Sugar concentration outside the cell: 6%. Sugar concentration inside the cell: 3%
Sugar concentration outside the cell: 10%. Sugar concentration inside the cell: 9%

Explanation

Question 16 of 39

1

Fill the blank spaces to complete the text.

Catabolic pathway: → (energy out, exits; exergonic)

Explanation

Question 17 of 39

1

Fill the blank spaces to complete the text.

Anabolic pathway: → (energy in, enters; endergonic)

Explanation

Question 18 of 39

1

Fill the blank space to complete the text.

Thermodynamics: Takes in →comes out as heat or makes you move, grow, etc.

Explanation

Question 19 of 39

1

Fill the blank space to complete the text.

Prokaryote is

Explanation

Question 20 of 39

1

Fill the blank space to complete the text.

Eukaryote is a

Explanation

Question 21 of 39

1

Which type of energy is stored within the bonds of all the food molecules we eat?

Select one of the following:

Heat Energy
Potential Energy
Light Energy
Kinetic Energy

Explanation

Question 22 of 39

1

What is chemical energy responsible for?

Select one of the following:

Providing the energy the body needs to regulate the amount of chemicals in the body.
Providing living cells with energy from food
Chemical energy determines how active certain chemicals in your bloodstream are
All of the above

Explanation

Question 23 of 39

1

Which type of energy is stored within the bonds of all the food molecules we eat?

Select one of the following:

Heat Energy
Potential Energy
Light Energy
Kinetic Energy

Explanation

Question 24 of 39

1

Fill the blank space to complete the text.

Heat Energy→ energy that is created as a byproduct of energy transfers and transformations

Explanation

Question 25 of 39

1

What is energy required for? Choose an answer

Select one of the following:

Sleep
Synthesis & breakdown of molecules
Heavy labor & exercise
All of the above

Explanation

Question 26 of 39

1

Fill the blank space to complete the text.

Bioenergetics→ concept of flow through living systems like cells

Explanation

Question 27 of 39

1

Fill the blank space to complete the text.

Passive transport: needed: When things flow from high to low (water pressure, air pressure, water elevation, electricity)

Explanation

Question 28 of 39

1

Fill the blank space to complete the text.

Active transport: : When things are pumped from low to high (concentration, charge, pressure)

Explanation

Question 29 of 39

1

Fill the blank space to complete the text.

Osmosis: Diffusion of across permeable membrane

Explanation

Question 30 of 39

1

Fill the blank space to complete the text.

Contractile Vacuoles: Squeeze excess water out of a so it does not explode

Explanation

Question 31 of 39

1

Fill the blank spaces to complete the text.

Diffusion: movement of particles from to

Explanation

Question 32 of 39

1

2nd Law of Thermodynamics→ Energy transports are never 100% efficient

Select one of the following:

True
False

Explanation

Question 33 of 39

1

Thermodynamics: Takes in calories→comes out as heat or makes you move, grow, etc.

Select one of the following:

True
False

Explanation

Question 34 of 39

1

1st Law of Thermodynamics→ states that the total amount of energy in the universe is constant and conserved; i.e. there has always been and will always be exactly the same amount of energy in the universe

Select one of the following:

True
False

Explanation

Question 35 of 39

1

Catalyst- Breaks things up , shoves them together

Select one of the following:

True
False

Explanation

Question 36 of 39

1

Enzyme: A protein with a certain region called active site, will grab a particular molecule(substrait), will break up the molecules so that it could absorb into enzyme

	Created by ashleyrobinson5155 over 8 years ago

Bio Final Exam

Bio Final Exam

Bio Final Exam

Question 1 of 39

What is a Metabolic pathway?

Select one of the following:

Explanation

Question 2 of 39

Enzymes catalyze (speed up) reactions in metabolic pathways

Select one of the following:

Explanation

Question 3 of 39

Energy transformations are always 100% efficient.

Select one of the following:

Explanation

Question 4 of 39

Organisms are open systems (constant energy in-flow).

Select one of the following:

Explanation

Question 5 of 39

Shape determines protein function. Enzymes are proteins.

Select one of the following:

Explanation

Question 6 of 39

Substrate molecules bind to Enzymes active sites

Select one of the following:

Explanation

Question 7 of 39

What is chemical energy responsible for?

Select one of the following:

Explanation

Question 8 of 39

What is encode?

Select one of the following:

Explanation

Question 9 of 39

What does it mean to consolidate?

Select one of the following:

Explanation

Question 10 of 39

Which of the following is NOT a component of the Unified Cell Theory?

Select one of the following:

Explanation

Question 11 of 39

Which of the following is NOT a component of Plasma Membrane

Select one of the following:

Explanation

Question 12 of 39

Which of the following does not stand true for Membrane Functions and molecules that perform functions:

Select one of the following:

Explanation

Question 13 of 39

Which of the following does NOT require energy?

Select one of the following:

Explanation

Question 14 of 39

Which of the following DOES require energy?

Select one of the following:

Explanation

Question 15 of 39

-In all the cases below, blood sugar (glucose) is flowing into a cell, through a channel protein in the cell membrane. In which case will the flow of sugar be fastest?

Select one of the following:

Explanation

Question 16 of 39

Fill the blank spaces to complete the text.

Catabolic pathway: → (energy out, exits; exergonic)

Explanation

Question 17 of 39

Fill the blank spaces to complete the text.

Anabolic pathway: → (energy in, enters; endergonic)

Explanation

Question 18 of 39

Fill the blank space to complete the text.

Thermodynamics: Takes in →comes out as heat or makes you move, grow, etc.

Explanation

Question 19 of 39

Fill the blank space to complete the text.

Prokaryote is

Explanation

Question 20 of 39

-In all the cases below, blood sugar (glucose) is flowing into a cell, through a channel protein in the cell membrane.
In which case will the flow of sugar be fastest?