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Biology
High School
Why is it difficult to bond three phosphate groups to Adenosine?They have the same charge and repel each other.They form a strong attraction to each other.They are like opposite poles of a magnet.The energy is evenly dispersed across all three bonds.
Biology
High School
What relationship will blood volume have on blood pressure?
Biology
High School
Which of the following describes the most likely way in which two water molecules will interact?A. A covalent bond will form between the hydrogen of one water molecule and the oxygen of the other water molecule.B. An ionic bond will form between the oxygens in each water molecule.C. A metallic bond will form between the hydrogens in each water molecule.D. A hydrogen bond will form between the hydrogen atom of one water molecule and the oxygen atom of the other water molecule.
Biology
College
Part 1 of 1 -Question 9 of 1010 PointsWhen DNA is copied, sometimes there are mistakes. Approximately how often does thishappen?O A. There aren't any mistakes.OB. 1 in a billion bases.OC. 1 in a million bases.OD. 1 in a trillion bases.Reset Selection
Biology
College
Listt any four general characteristics of pisces.
Biology
College
what happen to Potato chips when put into salt water?
Biology
High School
In paragraph form (automatic 1-pt deduction if not), explain the evolutionary benefits of sexual reproduction as a means of increasing variation. Be sure to include (a) at least two ways in which sexual reproduction impacts genotype (i.e. genetic effects), and (b) two ways in which sexual reproduction may affect phenotype (i.e. trait effects).
Biology
College
Most physical characteristics are inherited. Scientists have discovered several genes that contribute to human fatness, particularly genes that regulate the production of specific ____________ , such as ____________ , which stimulates hunger, and ____________ , which reduces hunger.
Biology
High School
Which of the following represents biotic factors? 1. Sunlight II. Oxygen III Plants 1 and 11 ll and III lll only ll only
Biology
High School
2(8)Data about CO2ce in the atmosphere and average global temperatures shows thatA. the CO2 concentration has been decreasing and the average globaltemperature has been increasingB. the CO26, concentration has been increasing and the average globaltemperature has been decreasingC. the CO2 concentration has been increasing and the average globaltemperature has been increasingD. there has been no change in either CO2 concentration or the average globaltemperature
Biology
College
Macronutrients is the most readily available for energy production
Biology
College
Gene expression can be summarized asDNA is translated to mRNA that is then transcribed tomake a protein.ODNA is transcribed to mRNA that is then translated tomake a protein.Protein is translated to mRNA that is then transcribedto make DNA.mRNA is transcribed to DNA that is then translated tomake a protein.
Biology
High School
Whats the Independent variable for Which Bait works best for a homemade fly trap?
Biology
College
bag of skin surrounding the testes is called
Biology
High School
Complete the following. 1. Waste containing dangerous chemicals is ...... waste. 2. Vegetable and fruit peels and food left over comprise ... waste. 3. Hospital waste is highly ...... 4. Plastic is nonbiodegradable, as it does not 5. The method of adding earthworms to compost pits is called ...
Biology
High School
Which process must occur for a muscle to be able to relax?. .The amount of ATP in the neuromuscular junction must increase.OB. Myosin and actin must attach to each other.OC.A nerve must initiate an action potential in the muscle fiber.ODThe concentration of calcium in the myofibril must decrease.
Biology
High School
How many different genotypes are possible from a cross between the parents RRYy and rrYY?
Biology
College
How do make a sperm cell go in to a woman
Biology
High School
What connections are there between the changing surface of the Earth and the evolution of life? Please help!!
Biology
High School
Adaptation:Question 4Which phrase indicates that organisms in a population with the best-adapted set of traits become more common over time?Select one:Mutations are not harmful.Bigger is better.All organisms have a common ancestor.Survival of the fittest.
Biology
High School
What would be the resulting polypeptide chain that is produced from the DNA template code:TACTTCAAAATC? Use the following RNA codon to amino acid table to help you figure out the resulting polypeptide. Show your steps.
Biology
High School
The heart is an example of which level of organization within an organism?cellorgantissueorgan system
Biology
College
Bacterial strain A (met , his-, arg ) is mixed with bacterial strain B (met-, his , arg-), grown in complete media, then plated on minimal media supplemented with histidine. Bacteria grows on the plate, which indicates that ________.
Biology
College
A solid form of precipitation is _____________.
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