How many dna molecules will be found in each cell during prophase?

One group of scientists has proposed a new theory on Natural Selection. A majority of scientists worldwide agree with the theory. The theory is most likely valid. biased. unreliable. elaborate.

Which of these is an example of thermal pollution? O A. Water carries radioactive particles from a deposit of radioactive matter. O B. Lake water is used for cooling in a power plant. O C. Fertilizers run off into nearby waterways. O D.

Malfunctions of the mitochondria can cause a number of disorders. Which statement best explains how mitochondrial problems can affect an organism?

What causes the "heat island" effect? a. heat produced from a large number of people b. the materials used in building cities retain heat c. the large amount of reflected light from glass windows d. all of the above

A plant produced through sexual reproduction will have the exact same genes as a parent. True or false

What is a cell membrane?

Which of these describes a requirement for all healthy dating relationships? O A. Making your partner jealous O B. Sexting with your partner O C. Supporting each other O D. Criticizing your partner

As part of an early experiment on the secretory system, an in vitro translation system consisting only of mRNA and ribosomes resulted in secretory proteins that were larger than the identical protein when translated in a cell. Why?

Rising sea levels are a result of a. increased amounts of precipitation. b. melting ice only. c. increased carbon dioxide levels in the water. d. melting ice and expansion of heated water.

If a bird is moving at a velocity of 70 km/h east and a car is moving at a velocity of 80 km/h east, what is the velocity of the bird relative to the passengers in the car? A. 10 km B. 10 km/h C. 10 km/h west D. 70 km/h east