Explain why a cell needs to constantly break down and synthesize ATP

For another type of frog, 3 eggs in a row measure 6 mm across. What is the length of a line of 12 eggs

Jane waters her plants every morning. Which path does the water take to be a part of photosynthesis?

How are cetaceans considered mammals

How does a cell maintain homeostasis?

How does euglena resemble a plant cell?

Explain why a mark on a blade of grass will move away from the ground as the grass blade grows

What do enzymes react with? A. the products of chemical reactions B. the active site of the plasma membrane C. proteins in the cytoplasm D. a specific substrate

Isaac watched a movie where a tsunami washed across the coastline. He related the incident to the geology of the ocean he learned at the school. Which geological phenomenon did Isaac relate to? A. plate tectonics B. upwelling C.

How do mutations affect an organism? A. they may cause the development of a disease-causing allele B. they may cause the development of a more beneficial allele C. they, in some cases, may have no noticeable affect D. all of the above

Scientists make two types of observations that can be either