cells
which of the transport processes uses energy?
Active transport
What are the 4 types of energy?
1. Kenetic
2. Potential
3. chemical
4. Electrical
what is referred to the "Gate keeper"?
Plasma membrane
The number of electrons an atom must lose or gain to have a full outer shell.
what are valence electrons?
How is acidity measured?
What is PH scale
What are the two kinds of transport processes
Active and Passive
whats the difference between DNA and RNA?
RNA has a different sugar and base component then DNA
What elements are the cell composed of?
Carbon, Oxygen, Hydrogen, and Nitrogen
3 types of bonding?
What is Covalent bonding, ionic bonding, Hydrogen bonding
Process that changes chemical bonds and changes one set of chemical bonds into another
What is chemical change
What are two examples of passive transport
Osmosis, Diffusion, and/or filtration
What are the sections between DNA called?
Genes
What part contains Organelles?
Cytoplasm
What type of organic compound is a enzyme made up of?
Protein
PH is lower then 7 what is this called?
Acidity
What are two examples of active transport
Ion pumps, Enocytosis, and/or exocytosis
what are the two types of Nuceic Acids?
1. DNA
2. RNA
What are the 3 main parts of a cell?
Plasma membrane, Cytoplasm, and Nucleus
What is considered a full outter shell?
8
chains of amino acids
What is protein
Define passive and active transport
Passive: Movement of molecules from high to low concentration
Active: Movement of molecules from low to high
What does tRNA assist in?
Bringing specific amino acids to each codon along the mRNA strand
In what part of the cell is the genetic code kept?
Nucleus
What is a hydrogen bond?
Imbalanced electron
The energy needed to start chemical reaction
activation energy