15 Questions
Where does the filtrate go from the distal convoluted tubule?
Collecting duct
What is the function of RNA Primase?
RNA Primase
Which statement about telomeres is true?
All of the above
Which of the following is most dependent on the energy from solar radiation?
The excitation of chlorophyll
Which functional group has 4 oxygens?
Phosphate
What occurs during a redox reaction?
Electrons are transferred.
What occurs during pyruvate oxidation?
all of the above
Where is insulin produced?
in the beta cells in the islets of Langerhans
Which factor will increase the fluidity of the lipid bilayer?
increasing the number of double bonds in fatty acids
What is true for anaerobic cellular respiration?
All of the above
What does water dissolve?
Polar and ionic compounds
Which gland is considered the 'master gland'?
pituitary gland
'In eukaryotes, introns are removed before mRNA leaves the nucleus because:'
they do not code for proteins
What occurs when light energy absorbed by P700 (PS1) energizes an electron?
It transfers to ferredoxin, which then forms NADPH.
How is DNA different from RNA?
DNA consists of a deoxyribose sugar while RNA consists of a ribose sugar.
Study Notes
Cellular Processes
- Filtrate from the distal convoluted tubule goes to the collecting duct.
- Anaerobic cellular respiration occurs without oxygen.
Molecular Biology
- RNA Primase is an enzyme that synthesizes short RNA primers.
- Telomeres are repetitive DNA sequences at the end of chromosomes that shorten with each cell division.
- DNA differs from RNA in that DNA is double-stranded, has thymine, and is stable, whereas RNA is single-stranded, has uracil, and is less stable.
Energy and Respiration
- Energy from solar radiation is most dependent on photosynthesis.
- During pyruvate oxidation, pyruvate is converted into acetyl-CoA.
- Redox reactions involve the transfer of electrons, resulting in oxidation and reduction of reactants.
Cell Structure
- Insulin is produced in the pancreas, specifically in beta cells of the islets of Langerhans.
- The lipid bilayer's fluidity increases with higher temperatures, higher cholesterol, and shorter or unsaturated fatty acid tails.
General Knowledge
- Water is a universal solvent, dissolving a wide range of substances.
- The pituitary gland is considered the 'master gland' due to its role in regulating other endocrine glands.
Eukaryotic Gene Expression
- In eukaryotes, introns are removed before mRNA leaves the nucleus because they contain non-coding regions.
Photosynthesis
- When light energy absorbed by P700 (PS1) energizes an electron, it is used to generate ATP and NADPH.
Test your knowledge of biology and chemistry with this quiz covering topics such as renal physiology, telomeres, photosynthesis, functional groups, and redox reactions.
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