3. Which is true about a valid scientific hypothesis?

a. It is the same as a scientific theory.

b. It is a testable statement.

c. It can be scientifically proved to be true.

d. It is never rejected.

What happens as a result of osmosis when an animal cell containing 1% sugar is placed in pure water

When you use knowledge and expierence to figure out why a lamp in your house is not lighting, you are using a. classical conditioning b. insight learning c. innate behavior d. trial-and-error learning

The first cloned mammal was a: A. chimpanzee B. sheep C. human D. mouse

The scala media is rich in K + while the scale vestibuli and tympani are rich in Na+. a. True b. False

A plant 3 in. tall grows an average of 0.5 in. each month. Which equation models the flowerÍs height h after x months? 3 = x + 0.5 h = 0.5x + 3 h = 3x + 0.5 h = 0.5 = x + 3

If a diet does not provide adequate carbohydrate to meet immediate energy needs, the body compensates by altering its metabolism of other nutrients. insufficient dietary carbohydrate can lead to elevated levels of ketone bodies.

If an enzyme-mediated reaction were carried out at a temperature that was higher or lower than optimal, the vmax for the reaction would probably be

Which of the following is not a mechanism of microevolution? Group of answer choices migration (gene flow) natural selection speciation genetic drift

What weather factor is also a measurement of energy held within the air? Humidity Pressure Temperature Wind

What is the probability that, in an organism with a haploid number of 12, a sperm will be formed that contains all 12 chromosomes whose centromeres were derived from maternal homologs?