Which of the following are characteristics of heterogeneous mixtures?

distinguishable components

evenly distributed components

particles too small to be seen with a microscope

components in varying proportions

particles that may settle

What precautions should one use when working with phenacetin?

For a science fair project, two students decided to repeat the Hershey and Chase experiment, with modifications. They decided to label nitrogen of the DNA, rather than the phosphate.

Which parts of the circulatory system make up the network of vessels by which the heart pumps blood through the body? A. lungs, heart, and brain B. capillary, vein, and artery C. Type A, Type B, Type AB, and Type O D. platelets, plasma and oxygen

Which of the following organism convert energy from the sun into chemical energy?

Part of the dermal tissue that is made of hard, dead, cork cells is the

A man has a large inversion on one of his chromosomes. How might this impact his offspring?

Explain how living things, such as people and trees, are different from nonliving things, such as rocks and the tent.

Mark all of the things that describe the Solar System. Question 11 options: a group of objects that interact with one another the main interaction of objects is with the sun Pluto at the boundary of the Solar System 50% of the Solar System's mass

All organisms in the kingdoms protista, plantae, fungi, and animalia are

If you looked at heart cells, would you expect to see a lot of mitochondria or only a few? Why?