While testing amylase activity, John uses a buffer of ph 6 and substrate starch. he incubates then at 104f (40c). all the tubes show glucose formation, except one, which had no starch solution. Why did this happen

Name every part of a plant

How should an unknown organism be classified

Fact or Fantasy? Just guess, no research! Human's give off a small amount of light not visible to the human eye.

Which of the following best explains what will occur when a population grows larger than the carrying capacity of its environment A) the birth rate will increase B) the death rate will increase C) the emigration rate will decrease D) the competition

Which one of the following plays the most significant role in regulating the distribution of blood into tissues? a. venulesb. arteriesc. capillariesd. veinse. arterioles

She is the northern hemisphere tilted toward the sun?

Describe how the ocean plays a role in stabilizing Earth's weather conditions

Q: A: Which numbered organelle produces ATP during cell respiration

From earliest to most recent, what is the correct order in which organisms appear in the fossil record? a. dinosaurs, invertebrates, reptiles, mammals b. invertebrates, amphibians, dinosaurs, mammals c.

Is it possible for technological advancements to have both positive and negative effects on the world