What the hell is an allele, anyway? Give an example.
Different forms of a gene for the same trait. Ex: the genes for skin color.
Name three biogeochemical cycles?
Water/Carbon/Phosphorus
a) What term refers the THICKNESS of blood?
b) Will increased intake of lipids cause this to increase or decrease?
a) viscosity; b) increase
What is the chemical formula for Glucose?
C6H12O6
This gas, essential for modern life, was mostly absent from Earth's early atmosphere.
Oxygen
If we crossed a Red/Tall plant with a Purple/Short plant, this cross would be called a. ____hybrid cross. Explain why!
Dihybrid cross. YOU explain!
Why are plants referred to as "producers?"
Plants PRODUCE/use photosynthesis to MAKE/PRODUCE their food source--GLUCOSE!
Where does fertilization normally occur in humans?
In one of the Fallopian tubes.
What CARBOHYDRATES are present in DNA and RNA?
Deoxyribose and Ribose
This famous experiment by Miller and Urey simulated early Earth conditions and produced these building blocks of proteins.
Amino Acids
If Red is dominant to Purple and Tall is Dominant to short, the letters ggTt represent what two alleles?
Purple/Tall
If two organisms relate where one benefits and the other is harmed....like a virus and its host cell, what is the relationship called?
Parasitism
How many chambers are present in the human heart?
4
There are 20 of these MONOmers from which all protein POLYmers are constructed.
Amino Acids
The hypothesis that life originated from non-living matter is called this.
Abiogenesis
"ggTt" from the previous questions represents the _________type of the plant.
GENOType
Name two organisms usually found a the third trophic level of the energy pyramid? Explain your reasoning.
Give your examples and EXPLAIN your reasoning!
Blood pumped from the heart to the body is referred to as being "Oxygen-_____?"
Oxygen-Rich
1) What are two locations in the cell where RNA is usually found?
2) The synthesis of what macromolecule occurs in the Smooth Endoplasmic Reticulum?
1) Nucleolus and Rough Endoplasmic Reticulum
2) Lipids
These simple, single-celled organisms were likely the first forms of life on Earth.
Prokaryotes
Define "Phenotype" and give four examples from four different organisms of this term.
A physical, observable trait. What are YOUR examples?
Three units of energy are present in an energy pyramid for the primary consumers.
a) How many units of energy are present for the tertiary consumers?
b) How many units of energy are present for the producers?
a) 300; b) ) 0.3
What two types of immune cells are most directly involved with the creation and functioning of antibodies?
B-cells and T-cells
Name two lipids whose blood level adults are medically tested for that are major contributors to heart disease?
Cholesterol and Triglycerides
According to the endosymbiotic theory, mitochondria and chloroplasts originated from these once free-living organisms.
Bacteria