Chemistry
Why does water do anything that water does?
Hydrogen Bonds
True or false. C10H2O10 is a lipid.
False. It is a carbohydrate.
How many amino acids are there?
20
Where is rRNA made?
Nucleolus
What do enzymes lower?
Energy of activation.
True or false. CO2 is a polar covalent bond.
True.
Give me 3 examples of carbohydrates.
Cellulose, Glycogen, Starch, Chitin etc
False
What organelle stores calcium, makes lipids, and is a detox center?
Which junction is a tunnel that connects the cytoplasm of one cell to the cytoplasm of another cell?
Gap Junction
Atomic Mass = ?
Protons + Neutrons
What is the main component of a biological membrane?
Phosphate
What type of bond connects proteins together?
Peptide bond
What organelle synthesizes proteins?
Ribosomes
What type of diffusion requires no energy, moves from high to low, and doesn't require a protein?
Simple diffusion
Fill in the blank: Electrons like to be ______ and orbits like to be ____.
Paired, Full
What are the three components that make up a nucleotide?
Phosphate, 5 carbon sugar, and a nitrogen containing base
100x
What are the difference between a prokaryote and a eukaryote?
Prokaryotes = No nucleus, no membrane-bound organelles
Eukaryotes = Nucleus, membrane-bound organelles.
If a cell containing 90% water and 10% salt is placed in a solution of 80% water and 20% salt. Is the solution hypotonic, hypertonic, or isotonic?
Hypertonic
What bond is a complete transfer of electrons?
Ionic Bonds
What is the format that tells you you are looking at a lipid?
Lots of Carbons and Hydrogens
Very little Oxygen
The sequence or order of amino acids is ....
primary structure.
What 4 components are in ALL cells?
Plasma membrane, Cytoplasm, DNA, Ribosomes
Explain what occurs in the Na+/K+ ATP pump?
3 Na+ OUT
2 K+ IN
1 ATP
Protein undergoes conformational change