Macromolecules
Cells
Taxonomy/Class.
Meiosis/Mitosis
Evolution
100
There are how many major categories of macromolecules?
What is four?
100
This structure contains the DNA in a cell.
What is the nucleus?
100
Which kingdoms have photosynthetic organisms? A. fungi and plants B. fungi and protists C. protists and plants D. plants and animals
What is C. protists and plants?
100
True or False. the production of genetically identical offspring from a single parent is known as sexual reproduction.
What is False?
100
One of the accepted scientific theories describing the origin of life on Earth is known as chemical evolution. According to this theory, which of the following events would need to occur first for life to evolve? A. onset of photosynthesis B. origin of genetic material C. Synthesis of organic molecules D. formation of the plasma membrane
What is C. Synthesis of organic molecules?
200
Name the categories of macromolecules.
What are proteins, carbohydrates, lipids, and nucleic acids?
200
Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge? A. All living things are made of cells. B. All cells come from other preexisting cells. C. Cells form through spontaneous generation. D. Cells are the basic structural and functional units of life.
What is C. Cells form through spontaneous generation?
200
Which of the following is not a characteristic of Linnaeus's system for naming organisms? A. two-part name B. multi-part name describing several traits C. name that identifies an organisms genus D. name that includes the organism's species identifier
What is B. multi-part name describing several traits?
200
In a cell, as surface area (increases/decreases)_____, volume ______(increases/decreases).
What is increases, increases?
200
Which types of organisms developed first due to the early environmental conditions on Earth? A. prokaryotic and aerobic B. prokaryotic and anaerobic C. eukaryotic and aerobic D. eukaryotic and anaerobic
What is B. prokaryotic and anaerobic?
300
There are about ___ (quantity) amino acids.
What is 20?
300
There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells? A. lysosome B. mitochondrion C. nucleus D. ribosome
What is D. ribosome?
300
Which of the following best describes a characteristic that distinguishes Fungi from other kingdoms? A. Fungi are able to reproduce both sexually and asexually. B. Fungi are eukaryotes with complex organ systems. C. Fungi are multicellular and break down dead plant and animal matter. D. Fungi have cell walls and specialized tissues
What is C. Fungi are multicellular and break down dead plant and animal matter?
300
Prokaryotic cells divide by what process?
What is binary fission?
300
Which of the following is evidence in support of evolution? A.Fossil record B.Comparative anatomy C.Comparative embryology D.Biogeography E.Molecular biology F.Observed evolutionary change G. All of the above H. None of the above
What is G. All of the above?
400
You are analyzing a compound in the laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. This compound represents which macromolecule?
What is a carbohydrate?
400
A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which of the following has occurred? A. The swollen gums have absorbed the saltwater solution. B. The saltwater solution lowers the temperature of the water in the gums. C. The salt in the solution has moved against the concentration gradient. D. The water in the gums has moved out due to the high concentration of salt in the solution.
What is D. The water in the gums has moved out due to the high concentration of salt in the solution?
400
In 1990, Carl Woese introduced the three domain system for classifying living things, after the advancement of DNA analysis allowed for a comparison of species genetic code. Which of the following is the best explanation for why domains were added to the previous system of classification? A. The old system of classification was wrong and needed to be corrected. B. New species are evolving too quickly to keep up with the old system of classification C. Domains have always been included, they were just made official recently. D. Some organisms, which were previously characterized together, were determined to be genetically very different.
What is D. Some organisms, which were previously characterized together, were determined to be genetically very different?
400
During which phase of mitosis do the centromeres of duplicated chromosomes line up across the center of the cell?
What is Metaphase?
400
Which of the following best illustrates natural selection? A. An organism with favorable genetic variations will tend to survive and breed successfully. B. A population monopolizes all of the resources in its habitat, forcing other species to migrate. C. A community whose members work together utilizing all existing resources and migratory routes. D. The largest organisms in a species receive the only breeding opportunities.
What is A. An organism with favorable genetic variations will tend to survive and breed successfully?
500
Macromolecules are ______ and must contain the element _____. Monomers are smaller subunits of polymers. The monomers for proteins are called ______. Protein catalysts are called ______ and they _____ the activation energy needed for chemical reactions. An example of a carbohydrate is _______. Nucleotides include: ______, _____, ______, and ______. ______ pairs with ______ and _______ pairs with _______. Saturated fats are _____ at room temperature and contain _____ bonds.
What is organic, carbon, amino acids, enzymes, lower, glucose, thymine, adenine, guanine, cytosine. AT/GC. Solid, single/hydrogen?
500
Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell? A. passive transport by diffusion B. active transport using ATP C. passive transport by osmosis D. phagocytosis
What is B. active transport using ATP?
500
Which of the following provides the best argument for separating Archaea and Bacteria into their own domains instead of leaving them together in the single kingdom, Monera? A. Genetic analyses showed that Archaea are much more ancient than Bacteria. B. It was discovered that they make their membranes differently and copy their DNA differently. C. Phylogenetic studies showed they have evolved different ways of storing their DNA in their nuclei. D. The kingdom was getting much too large as new species were discovered
What is B. It was discovered that they make their membranes differently and copy their DNA differently?
500
A cell that cannot "differentiate" is called a..?
What is a stem cell?
500
Theodosius Dobzhansky discovered that successful species tend to have a wide variety of genes that do not appear to be useful to the species in its present environment. What did this discovery help explain about genetics and the changes that occur in a species over time? A. Environments with more organisms tend to have more successful species. B. Species with greater genetic diversity adapt more easily to changing environments. C. Changing environments prevent species from adapting and surviving. D. Species in a stable environment are more resistant to a changing environment.
What is B. Species with greater genetic diversity adapt more easily to changing environments?
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