During the cell cycle dna is replicated

1. Ecosystems tend to lose energy as a result of ... A) photosynthesis B) chemosynthesis C) the storing of chemical energy in the molecules of organisms D) the radiation of heat by organisms using chemical energy 2.

Which of the following activities is powered by ATP? A. muscle contractions B. active transport C. Both a and b are correct.

How many factors should a well designed experiment test at one time

Lead has a density of 11.3 g/cm3 and a mass of 282.5 g. What is its volume?

In rna adenine pairs with uracil

What could cause mutations to occur?

In what way are cells similar to atoms

Which biomolecule carries genetic information

Which structure receives sensory information, such as the sound of a car, from the thalamus

Clara asks you for advice on how much alcohol she should consume during her pregnancy, based on the available research evidence. To give her the best advice possible, how should you reply?