biology test guide pt. 2
The enzyme 1.___________ catalyzes the transformatin of 2. ________ to 3.__________ Fill in blank number 3
ADP
Which of the following can be compared to a battery in need of recharging? *
ADP
The enzyme 1.___________ catalyzes the transformatin of 2. ________ to 3.__________ Fill in blank number 2. *
ATP
The main chemical compound cells use for energy is
ATP
Which of the following molecules is the energy currency of the cell?
ATP
ATP releases energy when it 1._______________ bonds between its phosphate groups. This reaction is called 2.___________. Fill in the blank number 3
ATPase
The enzyme 1.___________ catalyzes the transformatin of 2. ________ to 3.__________ Fill in blank number 1*
ATPase
Which of the following statements is true of surface area to volume ratio?
An increase in a cell's volume has a much greater effect on than an increase in its surface area.
what does diffusion rely on?
Diffusion relies on the random movement of particles and the concentration gradient.
Where does the energy come from in the secondary active transport?
Electrochemical gradient
Which is not a type of passive cellular transport?
Endocytosis
Which of the following occurs when a phosphate-phosphate bond in an ATP molecule is broken? *
Energy is released in the cell.
Which of the following is not a type of Active Cellular transport?
Facilitated diffusion
Phagocytosis is the process of taking molecules in from the cellular fluids. *
False
The following statements are true about facilitated diffusion, EXCEPT
It involves small molecules such as oxygen.
All of the following statements about diffusion are true, EXCEPT *
It occurs due to the fact that particles are constantly at rest.
Which of the following statements is incorrect regarding endocytosis?
It removes waste from the cell
Which of the following is not an example of a structure which demonstrates an increased surface area?
Large leaves on a very tall tree
Which of the following does not occur when sodium and potassium are moved across the cell membrane?
Na+ and K+ move down their concentration gradient.
is a 5-carbon sugar molecule that is part of an ATP molecule
Ribose
Adenosine triphosphate (ATP) is made up of...
Ribose, adenine base and triphosphate group.
Which of the following is true of an animal cell placed in an isotonic solution?
The cell remains intact as water flows in and out.
Surface area to volume ratio is...
The ratio of the area on a cells surface compared to the area inside
An animal cell was placed in a solution and was observed to have shrunk in size and shriveled up. What can be inferred about the solution?
The solution has less water than the cell.
The main role of exocytosis is...
To remove waste and export proteins out of the cell
Which type of transport refers to the movement of particles against a concentration gradient?
active cellular transport
The form of cellular transport that expends the cells energy is known as...
active tranaport
ATP releases energy when it 1._______________ bonds between its phosphate groups. This reaction is called 2.___________. Fill in the blank number 1. *
breaks
_______________ is the process in which energy from glucose is transferred to ATP
cellular respiration
Complete the analogy: Plant Cell : Plasmolysis = Animal Cell :
crenation
Shriveling of an animal cell is called
crenation
In active transport, particles move from an area of higher concentration to an area of lower concentration or down the concentration gradient. *
false
Pinocytosis is the process by which solid particles are taken in by the cell. *
false
The movement of materials towards the outside of the cell is known as endocytosis.
false
ATP releases energy when it 1._______________ bonds between its phosphate groups. This reaction is called 2.___________. Fill in the blank number 2
hydrolysis
Which is not one of the three types of solution based on the water content?
hydrotonic
Bursting of animal cell in a hypotonic solution is called
lysis
Which property of the cell membrane allows for the flow of water into and out of the cell?
permeability
The _____________ molecules in ATP are the key to its ability to store and supply energy. *
phosphate
Which of the following is responsible for allowing large particles to enter the cell, using passive transport?
proteins
what is the cell membrane NOT?
rigid! it's only rigid in plants
A cell is placed in a solution and is observed to have increased in size. Based on this, which of the following is a correct inference?
the solution is hypotonic
Active cellular transport expends the cell's energy
true
Endocytosis has different variations but shares common characteristics
true
Exocytosis is a form of active transport that expels materials from the cell.
true
If the energy is used indirectly, then it is referred to as secondary active transport.
true
In exocytosis, waste material is enveloped in a membrane and fuses with the interior plasma membrane. *
true
Primary active transport utilizes energy in the form of ATP.
true
