BIOLOGY 1200-CHAPTER 8 AND CHAPTER 9
EXAM NEWEST VERSION 2025-2026 WITH 110+
QUESTIONS AND ACCURATE VERIFIED
ANSWERS ALREADY GRADED A+
A reaction where light energy is captured and used to synthesize
glucose and other organic molecules -Correct Answer-
Photosynthesis
What are the two stages of photosynthesis? -Correct Answer-
1. Light reactions stage
2. Calvin cycle stage
What is the correct equation for photosynthesis?
A. 3 CO2 + 2 H20 --> C6H2O6 + O2 + H20
B. CO2 + H2O + light energy --> C6H2O6 + O2 + H20
C. CO2 + 2 H2O + light energy --> C6H2O6 + O2 + 2 H2O
D. CO2 + H2O --> C6H12O6 + O2 + H2O
-Correct Answer-B
Once a ligand is released, the receptor is ________
A. Changed
B. Inactive
C. Still active
D. Dissolved
-Correct Answer-B
What are the 4 kinds of surface receptors? -Correct Answer-
,1. Enzyme-linked
2. GPCRs
3. Ligand-gated / Ionotropic
4. Intracellular
Most of these receptors are protein kinases
A. GPCRs
B. Ligand-gated
C. Enzyme-linked
D. Intracellular
-Correct Answer-C
The intracellular domain of enzyme-linked surface receptors
functions as a ________ -Correct Answer-Catalyst
A type of receptor found in all EUKARYOTES -Correct
Answer-GPCRs
In GPCRs, subunit and dimer interactions lead to a signaling
____________ -Correct Answer-Pathway
A type of receptor that uses ion channels to transmit synaptic
signals -Correct Answer-Ligand-gated / Ionotropic
A type of receptor that is only found inside the cell either in the
cytosol or nucleus and functions in transcription of specific
genes -Correct Answer-Intracellular
, Signal transduction pathways may involve a cascade of
_________ or generation of intracellular signals called
________ messengers -Correct Answer-Kinases
Second
What is the function of tyrosine kinase? -Correct Answer-To
stimulate epidermal growth factor (EGF)
Kinases are
A. Phosphorylating enzymes
B. Gene transcription enzymes
C. Transport proteins
D. Ligands
-Correct Answer-A
In the EGF pathway, when the EGF receptor is stimulated, Grb
activates ______ which causes Ras to release ______ and bind
GTP -Correct Answer-Sos
GDP
In the EGF pathway, during the protein kinase cascade Ras
binds ________ which phosphorylates Mek. Mek then
phosphorylates ______ -Correct Answer-Raf
Erk
When transcribing genes, the phosphorylated Erk enters the
nucleus and phosphorylates which TWO molecules
A. Myc
B. Grb
EXAM NEWEST VERSION 2025-2026 WITH 110+
QUESTIONS AND ACCURATE VERIFIED
ANSWERS ALREADY GRADED A+
A reaction where light energy is captured and used to synthesize
glucose and other organic molecules -Correct Answer-
Photosynthesis
What are the two stages of photosynthesis? -Correct Answer-
1. Light reactions stage
2. Calvin cycle stage
What is the correct equation for photosynthesis?
A. 3 CO2 + 2 H20 --> C6H2O6 + O2 + H20
B. CO2 + H2O + light energy --> C6H2O6 + O2 + H20
C. CO2 + 2 H2O + light energy --> C6H2O6 + O2 + 2 H2O
D. CO2 + H2O --> C6H12O6 + O2 + H2O
-Correct Answer-B
Once a ligand is released, the receptor is ________
A. Changed
B. Inactive
C. Still active
D. Dissolved
-Correct Answer-B
What are the 4 kinds of surface receptors? -Correct Answer-
,1. Enzyme-linked
2. GPCRs
3. Ligand-gated / Ionotropic
4. Intracellular
Most of these receptors are protein kinases
A. GPCRs
B. Ligand-gated
C. Enzyme-linked
D. Intracellular
-Correct Answer-C
The intracellular domain of enzyme-linked surface receptors
functions as a ________ -Correct Answer-Catalyst
A type of receptor found in all EUKARYOTES -Correct
Answer-GPCRs
In GPCRs, subunit and dimer interactions lead to a signaling
____________ -Correct Answer-Pathway
A type of receptor that uses ion channels to transmit synaptic
signals -Correct Answer-Ligand-gated / Ionotropic
A type of receptor that is only found inside the cell either in the
cytosol or nucleus and functions in transcription of specific
genes -Correct Answer-Intracellular
, Signal transduction pathways may involve a cascade of
_________ or generation of intracellular signals called
________ messengers -Correct Answer-Kinases
Second
What is the function of tyrosine kinase? -Correct Answer-To
stimulate epidermal growth factor (EGF)
Kinases are
A. Phosphorylating enzymes
B. Gene transcription enzymes
C. Transport proteins
D. Ligands
-Correct Answer-A
In the EGF pathway, when the EGF receptor is stimulated, Grb
activates ______ which causes Ras to release ______ and bind
GTP -Correct Answer-Sos
GDP
In the EGF pathway, during the protein kinase cascade Ras
binds ________ which phosphorylates Mek. Mek then
phosphorylates ______ -Correct Answer-Raf
Erk
When transcribing genes, the phosphorylated Erk enters the
nucleus and phosphorylates which TWO molecules
A. Myc
B. Grb
