Biochemistry
Define metabolism
All chemical reactions in an organism.
Do prokaryotic cells have DNA?
Yes
What function does the Cell Membrane have?
Controls what enters and exits the cell?
What is the role of oxygen in the electron transport chain?
Final electron acceptor
What are the 3 parts of a nucleotide?
Deoxyribose Sugar, Phosphate, and a Nitrogenous Base
What are the subatomic particles
Electron, Proton, Neutrons
Do animal cells have cell walls?
No
What function does the Ribosomes have?
Synthesize proteins and responsible for protein synthesis
Define aerobic and anaerobic
Aerobic - need oxygen for energy production
Anaerobic - does not need oxygen
What does Chargaff's Rule state?
A%=T%
C%=G%
Which subatomic particle is involved in chemical bondings?
Electrons
What does the lysosomes do?
Contains enzymes for breaking down cellular waste
What function does the Golgi Appartus have?
Sorts and packages proteins and lipids from the Endoplasmic Reticulum?
What is the equation in words for cellular respiration?
Glucose + oxygen --> Carbon dioxide + water + ATP
What does DNA helicase do?
Unzips the DNA
What is a polar covalent bond?
Unequally shared electrons
What is the chloroplast?
The site where photosynthesis takes place in plant cells.
What is the difference between Endoplasmic Reticulum Rough ER and Smooth ER?
The Rough ER has Ribosomes and the Smooth ER does not
What bond in an ATP molecule is broken to release energy into the cell? What molecule is formed when it is broken?
A phosphate group leaves, forming ADP
Which state specifically is DNA replicated?
S Phase of Interphase
4 Most abundant elements in biological molecules?
Carbon, Hydrogen, Oxygen, Nitrogen
Define selective permeability
Only certain things enter the cell
What type of transport is for each of these follow (passive or active)
Diffusion:
Facilitated Diffusion:
Active Transport:
Diffusion: Passive
Facilitated Diffusion: Passive
Active Transport: Active
What is the equation for photosynthesis?
6CO2+6H2O+light energy-->C6H12O6+6O
What are the two stages of Protein Synthesis?
Transcription and Translation