Chemistry (Macromolecules)
A(n) ____ forms when one atom donates electrons to another atom?
Ionic bond
Is bacteria a prokaryotic organisms?
Yes
What would cause an enzyme to denature?
Too hot of temperature
During what stage of the cell's life cycle does DNA replicate?
S phase
Gametes cells are formed in which process?
Meiosis
What does a condensation reaction do?
It joins monomers into polymers
Exocytosis
Energy from sunlight is trapped by chlorophyll located in the...?
Thylakoid membrane
In what stage of Mitosis does the spindle form?
prophase
What type of cells are at the end of Meiosis?
Haploid
The four most common elements in living organisms are?
C,H,O,N
Which ER synthesizes proteins?
Rough ER
What kind of inhibitors permanently alter the substrate?
Noncompetitive
What are daughter cells?
Genetically identical cells formed when a cell undergoes division by mitosis.
Cancer happens when what happens?
growth factors do not work properly
What are the 5 properties of Water?
1. Cohesion & Adhesion
2. Surface Tension
3. Specific Heat
4. Good Solvent
5. Heat of vaporization
What is responsible for detoxifying the blood and storing calcium?
The smooth ER
The process of maintaining internal equilibrium is called?
Homeostasis
What happens in prometaphase?
The nuclear envelope breaks down
Centrioles arrived at the opposite sides of the cell
Spindle fibers attach to kinetochores
What is the difference in cytokinesis between plant and animal cells?
Animals - cleavage furrow
Plants - cell plate
Proteins differ from one another because?
The sequence of amino acids in the polypeptide chain differs from protein to protein
The Phospholipid molecules of most membranes have...?
A hydrophobic head and a hydrophilic tail
Cells store energy when...?
The third phosphate group breaks off from an ATP molecule
What happens in Telophase?
Chromosomes uncoil into chromatin
The spindle fibers disappear
The nucleolus reforms
The nuclear envelope reforms
The histones break down
What happens in Prophase 1?
This is the only place where crossing over can occur
Synapsis is the place where homologous pairs line up next to each other in order to cross over
The same things that happened in mitosis prophase happen here, except for the crossing over