Chemistry of Life
Positively charged particles in an atom are called ________/
Protons
Higher concentration of solute , net movement of water is out of the cell is what type of solution?
Hypertonic
Why do the phosphate groups in the phospholipid bilayer face towards the outside of the cell?
Answers may vary. Because they are hydrophilic and face the watery environment.
A pump located in a cell's plasma membrane transports sodium and _____________
Potassium
Which organelle is the powerhouse of the cell?
Mitochondria
This bond forms when electrons are shared.
Covalent Bonds
The spread of a drop of food dye throughout a glass of milk is called __________.
Diffusion
The branch of science that studies carbon and its compounds is called _____________ ___________.
Organic Chemistry
Which macromolecule stores genetic information?
Nucleic Acid
Which organelle produces protein for a cell?
Ribosomes
The hydrogen, oxygen, and carbon atoms in a glucose molecule are held together by _____________________ bonds.
Covalent
Ammonia is a compound that forms hydroxide ions when it is dissolved in water, it is a __________.
base
Contrast Endocytosis and Exocytosis
Answers may vary.
Which macromolecule is involved in nearly every function in the human body?
Protein
Which organelle is large in plant cells but small or absent in animal cells?
Vacuole
two atoms of uranium that differ in their number of neutrons are called __________.
Isotopes
Why is it important the enzymes can only bind to specific substrates?
Answers may vary.
Discuss why our bodies need enzymes to lower the activation energy of various biological reactions, instead of obtaining energy from other sources.
Answers may vary.
The bacterium E. Coli is a type of cell called a ______________.
Prokaryotic cell or Prokaryote
Which organelle is present in a paramecium protozoan but absent in a berry plant?
Cilia - DOUBLE JEOPARDY
Name the four most abundant elements found in living things.
Hydrogen, oxygen, nitrogen, carbon
Which satisfies the law of conservation of matter?
A) 3O2 + 2Al --> 2 AlO3
B) 3O2 + 2Al --> 3 AlO3
C) 4O2 + 3Al --> 3 AlO3
A) 3O2 + 2Al --> 2 AlO3
Name the three principles of cell theory.
1. Cells are the basic unit of life
2. Cells come from preexisting cells.
3. All living organisms are composed of cells.
DOUBLE JEOPARDY
Substances would have a more difficult time moving across the plasma membrane without a substance called _________ ________________.
Transport Proteins
Predict how oxygen crosses the plasma membrane if the concentration of oxygen is lower inside the cell than it is outside the cell.
A) Oxygen enters the cell through channel proteins.
B) Oxygen leaves the cell through channel proteins.
C) Oxygen enters the cell through the plasma membrane.
D) Oxygen leaves the cell through the plasma membrane
C) Oxygen enters the cell through the plasma membrane.