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28 Cards in this Set
- Front
- Back
which molecule is paired with its correct role in protein synthesis?
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tRNA- transfers amino acids
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which cellular process converts solar energy into chemical energy?
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photosynthesis
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which best explains why a bacterial cell is classified as a prokaryote?
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the absence of a nucleus
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which best describes how enzymes function in the body?
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enzymes lower the activation energy of reactions
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which molecules store and transmit genetic information?
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nucleic acids(DNA, RNA)
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a student notices that the lettuce in a salad wilts soon after salt is added. wilting most likely occurs because the lettuce cells...
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release water in the presence of salt
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in active transport, carrier proteins...
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move substances from a low concentration to high concentration through the use of energy
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which best describes the role of enzymes in a chemical reaction?
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increase the reaction rate
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which best describes how meiosis contributes to genetic variation?
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produces a new individual different from either parent
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which human activity will have the most positive effect on the global environment?
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reducing air pollution across countries by enforcing stricter emissions laws
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some microorganisms, such as yeast, produce energy in oxygen-free environments through the process of...
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anaerobic respiration
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which is an organelle that performs cellular respiration and is paired with its correct function?
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mitochondrion- converts energy found in glucose into energy for use by the cell
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which biomolecule contains nitrogenous bases?
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nucleic acit
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which statement best describes the primary function of DNA replication?
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to ensure daughter cells have a complete copy of the DNA
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which best describes the interaction between DNA and RNA during protein synthesis?
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RNA carries the code from DNA in the nucleus to the ribosome for protein synthesis
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an ion must cross the cell membrane through active transport instead of passive transport when the ion is...
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going against the concentration gradient
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what wold most likely result if nitrogen-fixing bacteria in an area were destroyed?
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vegetation in the area would grow at a slower rate
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which factor is most likely to initiate the process of succession in which a deep freshwater lake becomes a woodland area?
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accumulation of sediment
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meiotic cell division results in gametes that produce sperm and egg cells by
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reducing the daughter chromosome by 50%
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an ecosystem has a stable population of white-tailed deer. what is the most likely outcome if a new species of deer that competed for the same resources were introduced?
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the producer population would decrease
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which process most contributes to genetic variation in a population?
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crossing over during meiosis
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C6H12O6+6O2----->6CO2+CH2O+36ATP
which process does this equation represent? |
aerobic respiration
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a forest area is being harvested for specific types of plants, causing a reduction of resources for organisms. the organism most likely to become extinct as a result of this activity is...
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one with a specialized diet
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antibodies are composed primarily of amino acids. in which class of bio-molecules would antibodies belong?
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proteins
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an inventor has an idea for a pest control product for farms. the inventor proceeds to build and market the product. which step in the engineering design process has the inventor neglected to do?
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verify the results
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which tool is best for a student to use to observe mitosis in an onion root tip>
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microscope
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during the process of protein synthesis, a section of the DNA molecule is copied into which other molecule?
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messenger RNA
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a single sensory neuron cell extends from a person's large toe to an area adjacent to the spinal canal of the central nervous system. which process is responsible for the length of this cell?
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cell growth
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