Chemistry
What subatomic particle exists in the nucleus and is neutral?
Neutrons
Why is water cohesive?
Hydrogen Bonds
Which is more acidic, a pH of 3 or a pH of 5?
What do you need to make a nucleotide?
phosphate, 5 carbon sugar, nitrogen-containing base
How many amino acids are there?
20
What subatomic particle is important because it helps identify what the element is?
Proton
What type of bond is formed between two water molecules?
Hydrogen Bond
What are the 4 basic requirements for all cells?
- Plasma membrane
- Cytoplasm
- DNA
- Ribosomes
What macromolecule is C6O6H12?
Carbohydrate
What is the plant cell wall made out of?
Cellulose
What is described as having the same atomic number but different atomic mass?
Isotope
What type of bond shares electrons unevenly?
Polar Covalent Bond
What organelle do we store calcium in, make lipids, and is a simple detox center?
What macromolecule is chitin?
Carbohydrates
What is the primary structure of a protein?
Sequence or order of amino acids
What is the maximum amount of electrons that can occur in the 2nd subshell?
8
What type of bond does CH4 make?
Nonpolar Covalent Bond
What is the cell theory?
- The cell is the smallest unit of life
- All organisms is made of 1 or more cells
- The only way to get new cells is by previously existing cells
What is the structure of a steroid?
4 carbon ring
What protein structure is described as the overall 3D conformation of the protein?
Tertiary
What orbit will be occupied if you have 12 electrons?
3rd
How many covalent bonds does nitrogen like to form?
3 covalent bonds
What are the basic characteristics of a prokaryote?
All unicellular, no nucleus, and only has a plasma membrane.
Glycerol + 3 Fatty Acid
How do we make biological macromolecules?
Condensation Dehydration Reaction
- Remove Water
- Form a covalent bond