Use vocabulary words and other science words to describe a diatom

Looking at a karaotype of a human, explain how to identify if the chromosomes belong to a male or a female.

What makes possible the precise separation of dna during cell division

2. Which would not reduce the amount of greenhouse gases in the air? Increasing fuel efficiency using solar power using electric cars burning trash at landfills

During the process of cell division, both plant and animal cells A) develop a cell plate. B) develop a cleavage furrow. C) go through a step called metaphase. D) go through telomeric interpretation.

Select all that apply. How do lipids differ from carbohydrates? (a) They are formed from different basic elements. (b) They are not soluble in water. (c) They release less energy. (d) The hydrogen-oxygen ratio is different.

Briefly describe the basic characteristics that all living things on earth have in common

You discover a new cellular protein and find that there are hydrophobic amino acids scattered all along the surface of the folded protein.

How does the filtration membrane prevent certain substances from entering the filtrate?

What important function does the control of body temperature serve in chordates?

Match the chemical signal with the appropriate description. a. chemicals produced by neurons that function as hormones b. chemicals that act locally on nearby cells c. chemical secreted by presynaptic terminal d.