Which is true about secondary messengers?

Secondary messengers relay the signal into the cell

Which statement about metabolism is correct?

Catabolism occurs through hydrolysis, Anabolism occurs through dehydration synthesis

The hydrogen bonds within water form between...

the partially positive H and the partially negative O

Which is NOT evidence of the endosymbiotic theory?

Mitochondria and chloroplasts contain a nucleus

Which description is true about cell cycle regulation?

Changing concentrations of cyclin result in binding to cdk

Which statement is NOT true concerning movement of molecules?

Diffusion; solutes move toward the lower concentratio of H2O

Where is CO2 needed within the process of photosynthesis?

CO2 provides the carbon for the Calvin cycle

What are the final electron acceptors for the ETC in photosynthesis and cellular respiration?

NADP+ in photosynthesis and O2 in respiration

Which statement is correct?

Kinases add phosphates and phosphatases take them off

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AP Bio midterm 1 review

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Questions 28

Answers

1
Which cell is the MOST efficient at cellular transport? (Surface area:volume)
1:1
3:1
4:1
2:1
2
Which is true about secondary messengers?
Secondary messengers are the ligands
Secondary messengers relay the signal into the cell
Secondary messengers serve as the receptors on the membrane
Secondary messengers phosphorylate proteins
3
This theory describes the evolution of mitochondria and chloroplasts from an engulfed bacteria.
Endosymbiotic theory
Fermentation theory
Germ theory
Biogenesis theory
4
What is created by the light cycle that is needed by the Calvin cycle?
H2O and ATP
NADPH and CO2
NADH and FADH2
ATP and NADPH
5
Which statement about metabolism is correct?
Anabolism occurs through hydrolysis
Catabolism occurs through hydrolysis
Anabolism occurs through dehydration synthesis
Catabolism occurs through Dehydration synthesis
6
Which number indicates S phase?
IV
III
II
I
7
The hydrogen bonds within water form between...
the partially positive H and the partially negative O
the partially negative O and the partially negative O
the partially positive H and the partially positive H
the partially positive O and the partially negative H
8
Which number indicates G2 phase?
II
IV
III
I
9
Which is NOT evidence of the endosymbiotic theory?
Mitochondria and chloroplasts contain a nucleus
mitochondria and chloroplasts have their own circular DNA
mitochondria and chloroplasts have ribosomes
Mito and chloroplasts can split independently of the cell
10
Which macromolecules make up enzymes?
Proteins
Lipids
Carbs
Nucleic acids
11
Which of the following is NOT an important property/function of water?
Water shrinks as it freezes.
Cohesion of water allows for transport of water in plants.
Bodies of water regulate temperatures on Earth.
Water facilitates evaporative cooling of plants and animals
12
The electron transport chain of cellular respiration occurs in the following location:
Mitochondrial outer membrane
Mitochondrial inner membrane
Mitochondrial Intermembrane space
Mitochondrial matrix
13
Vesicles transport numerous molecules throughout the cell. Which is a probable pathway?
mitochondria, ER, Golgi
Golgi, mitochondria, plasma membrane
ER, mitochondria, cytoplasm
ER, Golgi, plasma membrane
14
Which description is true about cell cycle regulation?
Changing concentrations of cyclin result in binding to cdk
MPF complex formation decreases with increased cdk levels
Changing concentrations of cdk result in binding to cyclin
MPF complex formation decreases with increased cyclin levels
15
What is the key point of control in cellular respiration?
Water
Acetyl CoA
Phosphofructokinase
Glucose
16
Which number indicates Mitosis?
III
II
I
IV
17
Each pH level changes by what factor? (example: going from pH8 to pH9)
factor of 1
factor of 10
factor of 100
factor of 1000
18
Which statement is NOT true concerning movement of molecules?
Diffusion; solutes move toward the hypotonic region
Diffusion; solutes move toward the lower concentratio of H2O
Osmosis; water moves from high water conc to low water conc
Osmosis; water moves toward the hypertonic solution
19
Which diagram illustrates positive feedback?
A
D
B
C
20
Which is a simple cell with no organelles?
Eukaryotic cell
Prokaryotic cell
21
Where is CO₂ needed within the process of photosynthesis?
CO2 is split for donation of electrons into the light cycle
CO2 is produced from the light cycle
CO2 acts as the electron acceptor at the end of the ETC
CO2 provides the carbon for the Calvin cycle
22
What are the final electron acceptors for the ETC in photosynthesis and cellular respiration?
H2O in photosynthesis and O2 in respiration
NADP+ in photosynthesis and O2 in respiration
O2 in both
CO2 in both
23
Which would NOT inhibit ATP synthesis during cellular respiration?
accumulation of AMP
poking holes in the inner membrane making it permeable
absence of oxygen
degradation of all FADH2 and NADH
24
Water-soluble ligands bind to _____ receptors, and lipid-soluble ligands bind to ____ receptors
intracellular; intracellular
intracellular; membrane-bound
membrane-bound; membrane bound
membrane-bound; intracellular
25
Which statement is correct?
Phosphatases add phosphates and take them off
Phosphatases add phosphates and kinases take them off
Kinases add phosphates and phosphatases take them off
Kinases add phosphates and take them off
26
Which organelle/structure does both plants and animals have?
Central vacuole
Chloroplasts
Cell wall
Mitochondria
27
Which number indicates G1?
III
IV
II
I
28
What is the correct term for water movement to and evaporation from the leaves of plants?
Transition
Translation
Transpiration
Translocation

AP Bio midterm 1 review Flashcards | StudBud