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The Scientific Method - ANSWERSObservations Ask questions Hypothesis to answer the question→ new proposition that is compatible with observations and facts already known; must result in testable predictions Make predictions based on your hypothesis Design experiment to test hypothesis Designing Controlled Experiments - ANSWERSManipulate one variable at a time Control group:exposed to the same conditions as the experimental group except for one independent variable Experimental group: ...

In what type of cells and what phase do holliday junctions occur? - ANSWERSGerm cells; prophase Why is sexual reproduction more beneficial to a species living in an unpredictable environment than to one living in a constant environment? - ANSWERSThe real benefit in sexual reproduction seems to be that parents produce children that are genetically unlike either parent and that are not genetically identical to each other. This provides more variation in the population than asexual reproduction ...

Science - ANSWERSThe study of the structure and behavior of the physical and natural world through observation and experiment Biology - ANSWERSThe study of living organisms, divided into many specialized field Characteristics of Living Organisms - ANSWERS1. Composed of cells 2. Have different levels of organization 3. Used energy 4. Respond to their environment 5. Growth 6. Reproduction 7. Adapt to their environment Scientific Literacy - ANSWERSKnowledge and understanding of scien...

The hydrolysis of ATP into ADP + Pi is an example of a reaction in which A. The free energy of the products is equal to the free energy of the reactants. B. The free energy of the products is much greater than the free energy of the reactants. C. The free energy of the products is much less than the free energy of the reactants - ANSWERSC. The free energy of the products is much less than the free energy of the reactants Which of the following is true of endergonic reactions? A. The fre...

In which direction is mRNA always synthesized? A. 5' to 3' B. 3' to 5' C. Depends- can be either 5' to 3' or 3' to 5' - ANSWERSA. 5' to 3' Which of the following completes the phrase to make it a new statement? During the process of transcription: A. DNA polymerase adds nucleotides to the newly synthesized strand B. One DNA strand serves as a template C. a supply of the nucleotides ACGT is required D> Two new RNA molecules are produced - ANSWERS...

Grade I got on this exam with these answers: 32/35 (3 of these answers are wrong) - ANSWERSn/a If a carbon has 4 bonds and has no net electrical charge, what is true of the atom? - ANSWERSit has the same # of electrons as protons A C-C bond is what type of bond? (polarity, bond type) - ANSWERSnonpolar, covalent A C-O bond is what type of bond? (polarity, bond type) - ANSWERSpolar, covalent In the molecule C2H3O2 (acetate), there are 3 hydrogens positioned around a central carbon. T...

Which phase alignment of the chromosomes? - ANSWERSMetaphase what condenses in prophase? - ANSWERSchromatin name the three things that happen in Prometaphase - ANSWERS1. nuclear envelope breaks down. 2. centrioles reach poles. 3. kintecores attach how many chromosomes do you have at the end of Metaphase - ANSWERS2 clloections of chromosomes what phase does the sister chromatid separate? - ANSWERSanaphase what splits in anaphase? - ANSWERScentormere what two things happen in t...

What is Photosynthesis? - ANSWERSEnergy in light is captured to synthesize carbohydrates What is the chemical equation of photosynthesis? - ANSWERSLight Energy + 6CO2 + 6H2O --> C6H12O6 (glucose) + 6O2 What is oxidized and reduced in photosynthesis? - ANSWERS•H2O is oxidized •CO2 is reduced What kind of reaction is photosynthesis? - ANSWERSendergonic What drives photosynthesis? - ANSWERSEnergy from light What is the biosphere? How is it powered? - ANSWERSAll regions on the...

phospholipid bilayer – ANSWERS What are membrane bound organelles seperated by? Nucleus - ANSWERSprovides genetic information Nuclear envelope - ANSWERSdouble membrane surrounding nucleus Nucleolus - ANSWERSgenes that are encoded/transcribed with RNA Nuclear pore – ANSWERS How does mRNA leave the nucleus? Smooth ER - ANSWERSsynthesize lipids degrade toxins Rough ER - ANSWERShouses ribosomes Translation complex rough ER - ANSWERS1. protein N-terminus 2. SRP bind...

Enzyme - ANSWERSa catalyst; a protein that speeds up a chm rxn by lowering amount of energy it takes to get the rxn going What is the reactant that enzyme acts on? - ANSWERSsubstrate What is the active site? - ANSWERSregion on enzyme where substrate binds Lock and Key - ANSWERSShape of active site and shape of substrate fit together like a lock and key( or a puzzle) Enzyme Action (5) - ANSWERS1) substrate enters active site 2) held by weak interactions 3) active site can lower ener...