Characteristics of Life
What is the smallest biological unit that can perform all life processes?
Cell
Which of the following is not one of the six kingdoms?
A. Prokarya
B. Eubacteria
C. Archaebacteria
D. Animalia
A. Prokarya
True or false: Usually the independent variable is on the bottom and the dependent variable is on the right
True
Weak attraction between a hydrogen atom and another atom
Hydrogen Bond
The four basic macromolecules are:
Protein, Carbohydrate, Lipid, Nucleic Acid
All cells have all of the following except:
A. Cytoplasm
B. DNA
C. Nucleus
D. Cell Membrane
C. Nucleus
What is a Long, tail-like structures that assist some cells in movement?
Flagella
What type of data deals with descriptions, and can be observed but not measured?
Qualitative
Force of attraction between different kinds of molecules
Adhesion
Monomers join to one another to form polymers in a process called dehydration synthesis. This forms a ____ (strong) bond between monomers.
Covalent
What is an organism that obtains food by consuming other living things, also called consumers?
Heterotroph
What is a “false foot” that extends out from cells to help the cell move?
Pseudopodia
In an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for the one factor
Control group (We are basically measuring the Dependent Variable without the Independent Variable)
The pH scale ranges from 0 to 14. pH values that are below 7 have a higher concentration of H+ and are ____. pH values that are above 7 have a low concentration of H+ ions and are ___.
Acidic, basic (or alkaline)
What elements make up Nucleic Acids?
Carbon, Oxygen, Hydrogen, Nitrogen and Phosphorus
True or false: Eukaryotes are larger and more complex than prokaryotes
True
Which of the following is paired incorrectly?
A. Archaea – prokaryotes
B. Bacteria – prokaryotes
C. Eukarya – eukaryotes
D. Archaea – eukaryotes
D. Archaea – eukaryotes
How much total magnification do I have if I am using the scanning objective?
scanning objective 4 X 10 = 40X (40 times what our eye can see)
What are the eight properties of water?
Adhesion – Joins water to other surfaces
Cohesion “Surface Tension” – Joins water to water
Density – Allows substances to sink or float in water
Specific Heat Capacity – Allows water to resist changes in temperature
Polarity - Ends of a water molecule are opposite
Hydrogen bonds – Water molecules are held together by weak bonds
Solvent – Most substances can dissolve easily in water
Evaporative cooling - Water cools the surfaces that it evaporated from
Match the macromolecule with its function:
Lipid, Protein, Carbohydrate, Nucleic Acid
Short-term energy Storage
Transport and regulation
Long-term energy storage and cell insulation
Carry genetic information
Carbohydrate- Energy Storage
Protein – Transport and regulation
Lipid – Energy storage and cell insulation
Nucleic Acid – Carry genetic information
What is the name for all of the organisms that live in a place, together with their nonliving environment?
Ecosystem
How do we characterize the 6 kingdoms?
Cell Type- prokaryote or eukaryote?
Cell Structure- unicellular or multicellular?
Metabolism- heterotrophic or autotrophic?
Reproduction- sexual or asexual?
Locomotion- how does the organism move?
Response to Stimuli- how does the organism respond to factors in the environment?
What are the 6 steps of the scientific method?
Define the Problem
Research
Form a Hypothesis
Experimentation
Data Analysis
Draw Conclusions
What are the six elements of a living cell?
"CHNOPS" Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous, Sulfur
Factors that affect enzyme action
Temperature, pH, Amount of Substrate, Inhibitors