Classification
Which taxa is more specific: Kingdom or Family?
Family
In relative dating, the rock layers/fossils on the ________ are the youngest.
top
Provide the charges of each subatomic particle: protons, neutrons, and electrons.
Protons = +
Neutrons = 0
Electrons = -
Provide a structure that can only be found in plant cells.
cell wall, chloroplasts, central vacuole
What is the shape of DNA?
double helix
Organisms with ______ taxa in common are more closely related.
more
The favorable traits that a population evolves are called...
adaptations
The oxygen atom of a water molecule has a partial _________ charge, while the hydrogen atom has a partial __________ charge.
negative; positive
This organelle stores genetic information.
nucleus
What are the three structures of a nucleotide?
sugar, phosphate, nitrogen base
Is the following scientific name written correctly?
Musca Domestica
NO - lowercase species
A cladogram can be used to determine relatedness and shared characteristics. These shared characteristics are known as (homologous/analogous) structure.
homologous
How can you determine the number of neutrons in an atom?
Mass number - atomic number
During which phase of mitosis do the chromosome copies separate?
anaphase
Briefly describe the process of using a micropipette.
Select correct micropipette, set dial for correct volume, place plastic tip on end, press plunger to first stop, place tip in solution, release plunger, move tip to desired tube, place tip on side wall, press plunger to second stop, remove tip from tube, release plunger
The two options on a dichotomous key must be...
different
The meniscus that water forms in a test tube occurs due to what TWO properties of water?
cohesion and adhesion
What type of cells undergo mitosis?
body cells
What is the complementary DNA strand to the following segment: CAATGC
GTTACG
True/False: Two organisms in the same order, will also be in the same kingdom.
True
The half life of a substance is 20 years. How many half lives have occurred if the sample is now 75% daughter material?
2 half lives
Identify the four macromolecules and their monomers
Carbs - monosaccharides
Lipids - fatty acid
Proteins - amino acid
Nucleic acid - nucleotide
Provide three organelles that are related to proteins.
nucleolus, nucleus, rough ER, ribosomes, Golgi
Briefly explain how gel electrophoresis works to identify an individual
DNA is cut using restriction enzymes, then run through the gel. Electricity causes DNA to move to positive end and small fragments move faster than large ones. Different band patterns for different people.