johnny's teacher asked him to explain how to make a wet-mount slide to the rest of the class. here is johnny's response: "well, you start by putting a few drops of water on a clean slide. once you have obtained your specimen, you carefully place your specimen down on the drops of water on top of the slide at a 45 degree angle. you add a few more drops of water, then lower the cover slip over the specimen."

was johnny's description correct?

a. no, you don't need to add water to the slide after adding the specimen.

b. no, he forgot to heat up the water before adding it to the slide.

c. yes, he did not make any mistakes.

d. no, the cover slip needs to be lowered at a 45 degree angle, not the specimen.

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?

Which hormone is used by both males and female?