Body Systems
Molecular Biology
Ecology
Cells
Genetics
100
Name main organ in the circulatory system
Heart
100
Name one "molecule of life"
Carbohydrate, Lipid, Protein, or Nucleic Acid
100
True or False? The Biosphere is the largest level in ecological organization?
100
The basic unit for all forms of life (and also this category)
Cell
100
Chromosomes are found in the nucleus of a eukaryotic cell, what do they store?
Compact genetic information/DNA
200
At what structure does gas exchange into the circulatory system in the lungs? Hint: air sac
Alveoli
200
Name two of the 6 elements that organic molecules ("molecules of life") are mostly made of?
Carbon, Hydrogen, Nitrogen, Phosphorus, or Sulfur
200
A group of ecosystems that share similar climates and typical organisms.
Biome
200
A thin flexible barrier made of lipids that surrounds all cells and regulates what enters and exits the cells.
Cell membrane
200
Genetic variation among a group of offspring could be cause by:
a mutation
crossing over of homologous chromosomes from each parent during meiosis
300
The basic working unit (a specialized cell) of the brain and nervous system
Neuron
300
An enzyme is a specialized protein that does what?
Reduces activation energy of a reaction to help speed it up!
300
Define producer in Biology
An organism that can make and store energy using resources from its surrounding environment (photosynthesis: sunlight, CO2, water--->glucose, O2)
300
Simple cells that make up single celled organisms such as bacteria and archaea; DNA is not contained within the nucleus
Prokaryotic cells
300
During meiosis, reproductive cells called gametes are produced (i.e. eggs, sperm, pollen, etc). These cells are call ______ cells because they contain only one copy of each chromosome (in humans 23).
haploid
400
Chyme leaves the stomach and enters what part of the digestive system next?
The small intestine (this is where nutrients are absorbed)
400
Name one form that carbon can be found in during the carbon cycle.
Glucose (C6H12O6), Carbon Dioxide (CO2), Methane (CH4)
400
A relationship between two organisms where one benefits and the other derives no benefit or harm (neutral).
Commensalism
400
Homeostasis is the ability of the body or cell to maintain _________ as it deals with external changes.
Equilibrium
400
Organisms who have two identical alleles for a particular gene are called?
Homozygous
500
What is the purpose of the epiglottis?
To lay over the trachea when swallowing food to avoid choking and allowing food to pass down the esophagus towards the stomach.
500
The building blocks for nucleic acids are called nucleotides, give an example of a nucleotide (or the letter abbreviation for one).
Adenine- A
Thymine- T (DNA only)
Guanine- G
Cytosine- C
Uracil-U (RNA only)
500
In ecology, how do we define carrying capacity for a species?
The largest number of individuals for a particular species that an environment can support. Usually stopped by a "limiting factor."
500
The function of the ribosome, an organelle found within a cell is to make what?
Protein! (by using messenger RNA (transcribed in the nucleus) to translate RNA into specific amino acids that link together to for the 3D protein molecule)
500
When the phenotype is a blend of both the parent's alleles we call this?
Incomplete Dominance
