Scientific method
When designing an experiment, scientists will test the relationship between a cause and an effect. The effect is known as the
Dependent variable
What is the function of enzymes in biological systems?
Speed up chemical reactions
What are the characteristics of life? You must have all of them
2. Ability to reproduce
3. Homeostasis
4. Complex chemistry
5 .made of cells
6. Adpat to its environment
Which plant cell organelle uses light energy to produce sugar?
Chloroplast
Substances known to produce or promote cancer are called
Carcinogens
What is the first step of the scientific method?
Make a observation
The activation energy needed for chemical reactions is decreased by the presence of a
Catalyst
45 mg = G
0.045
Which organelle is composed mainly of proteins and lipids, and acts in maintaining homeostasis in a cell?
Cell membrane
What is the difference between cancer and normal cells
Cancer cells divide uncontrollably
What is a control group?
A group that does not receive the experimental treatment
Reactants bind to enzymes at the
active site
9.52 m = Cm
952
What is found in eukaryotic cells but not in a prokaryotic cell?
Nucleus
What is metastasis?
The spread of cancer cells to the other parts of the body
What is the purpose of analyzing data in an experiment?
To determine whether the hypothesis is supported
Energy is released from an ATP molecule for cellular processes when it
Loses a phosphate group creating ADP
In sceience, the distance an organism travels should be measured in
Meters
Which characteristic is not common to both prokaryotic cells and eukaryotic cells?
Multicellular organisms
What happens after the cell takes up the virus?
It inserts into the host DNA
What is a dependent variable?
A variable that is measured in the experiment
Which condition would most directly result in the production of lactic acid by some cells of the human body?
An insufficient amount of oxygen reaching the cells
Sister chromatids are attached to each other at the ......
Centromere
What are the three types of bacteria? Draw a picture for each and label
Bacili -Rods- pills
Cocci- Circles
Spiral- Spiral