UCI Bio 93 Midterm 2 questions with verified
answers
"Every energy transformation increases the entropy (disorder) of the
universe." Ans✓✓✓ 2nd law of thermodynamics
"The energy in the universe is constant. Cannot be created or destroyed"
Ans✓✓✓ 1st law of thermodynamics
A spontaneous reaction is a type of reaction that leads to ___________
Ans✓✓✓ An increase in entropy
About how many ATP/Glucose is made during cellular respiration?
Ans✓✓✓ 30-32
attaches cells together, permanent anchors enabling cells to pass
molecules back and forth. i.e. yeast mating Ans✓✓✓ gap junction
(local)
Cancer cells lose what two aspects of the normal cell? Ans✓✓✓
Anchorage dependence and density-dependent inhibition.
Characteristics are:
- bound ribosomes
- synthesizing of proteins for organelles or membrane.
- membrane factory Ans✓✓✓ Rough ER
,Characteristics are:
- DNA storage
- pores to regulate import and exports
- nucleolus where tRNA, rRNA and ribosomes are made Ans✓✓✓
Nucleus
Characteristics are:
- synthesis of lipids
- metabolism of carbs
- detoxification of drugs and poison
- Ca 2+ storage Ans✓✓✓ Smooth ER
Characteristics are:
- take in particles, molecules
- storehouse for breaking down things machinery
- proton pump
- protein which can break proteins down
- recycles organic material
- very acidic Ans✓✓✓ Lysosomes and Vacuoles
Characteristics are:
- where post-translational modif. take place on proteins
, - carbohydrates are attached to glycoproteins
- shipping and receiving side Ans✓✓✓ Golgi Apparatus
Chloroplast and Mitochondria both use what process to generate ATP?
Ans✓✓✓ Chemiosmosis
diffusion of signal for a few cells wide Ans✓✓✓ paracrine signaling
double membrane enclosing the nucleus, perforated by pores, continuous
with rough ER Ans✓✓✓ nuclear envelope
EGF (ligand), uses ATP, Monomers bind to each other and become
dimers. Kinases phosphorylated. Ans✓✓✓ Receptor Tyrosine Kinases
embryonic development, immune response, maintaining adult stem cells
Ans✓✓✓ local contact mediated
Enzymes are biological ___________ Ans✓✓✓ Catalysts
Establishing the H+ gradient is a major function of what? Ans✓✓✓ The
electron transport chain
Gibbs free energy Ans✓✓✓ Portion of a system that can perform work
when temp and pressure are uniform throughout the system.
answers
"Every energy transformation increases the entropy (disorder) of the
universe." Ans✓✓✓ 2nd law of thermodynamics
"The energy in the universe is constant. Cannot be created or destroyed"
Ans✓✓✓ 1st law of thermodynamics
A spontaneous reaction is a type of reaction that leads to ___________
Ans✓✓✓ An increase in entropy
About how many ATP/Glucose is made during cellular respiration?
Ans✓✓✓ 30-32
attaches cells together, permanent anchors enabling cells to pass
molecules back and forth. i.e. yeast mating Ans✓✓✓ gap junction
(local)
Cancer cells lose what two aspects of the normal cell? Ans✓✓✓
Anchorage dependence and density-dependent inhibition.
Characteristics are:
- bound ribosomes
- synthesizing of proteins for organelles or membrane.
- membrane factory Ans✓✓✓ Rough ER
,Characteristics are:
- DNA storage
- pores to regulate import and exports
- nucleolus where tRNA, rRNA and ribosomes are made Ans✓✓✓
Nucleus
Characteristics are:
- synthesis of lipids
- metabolism of carbs
- detoxification of drugs and poison
- Ca 2+ storage Ans✓✓✓ Smooth ER
Characteristics are:
- take in particles, molecules
- storehouse for breaking down things machinery
- proton pump
- protein which can break proteins down
- recycles organic material
- very acidic Ans✓✓✓ Lysosomes and Vacuoles
Characteristics are:
- where post-translational modif. take place on proteins
, - carbohydrates are attached to glycoproteins
- shipping and receiving side Ans✓✓✓ Golgi Apparatus
Chloroplast and Mitochondria both use what process to generate ATP?
Ans✓✓✓ Chemiosmosis
diffusion of signal for a few cells wide Ans✓✓✓ paracrine signaling
double membrane enclosing the nucleus, perforated by pores, continuous
with rough ER Ans✓✓✓ nuclear envelope
EGF (ligand), uses ATP, Monomers bind to each other and become
dimers. Kinases phosphorylated. Ans✓✓✓ Receptor Tyrosine Kinases
embryonic development, immune response, maintaining adult stem cells
Ans✓✓✓ local contact mediated
Enzymes are biological ___________ Ans✓✓✓ Catalysts
Establishing the H+ gradient is a major function of what? Ans✓✓✓ The
electron transport chain
Gibbs free energy Ans✓✓✓ Portion of a system that can perform work
when temp and pressure are uniform throughout the system.
