Which is a cause of mechanical weathering?

A.

sunlight

B.

natural acids

C.

physical forces

D.

oxidation

Evolution concerns the following: a. that all living organisms are made by cells. b. capacity that the species must change and develop adaptations to live in specific conditions c.

The composition of sedimentary rock shows the source of the sediment that makes up the rock. Which of the following would provide the best evidence of how the rock formed?

Voltage-gated channels contain charged protein domains, which are sensitive to changes in membrane potential. By responding to a threshold in the membrane potential, these voltage sensors trigger the opening of the channels.

Protein synthesis can be compared to building a doghouse. Sondra wanted to build a doghouse and found a book in the reference section in the local library. She copied the pages of directions using wood and nails to make the doghouse.

The mitochondrial DNA helicase has 612 amino acids. What is the length of the mRNA from this protein is translated? Show your work and explain.

A mechanism of Darwins proposed theory is

Evidence: Farmers Burns and Dexter-Kemp are at their wits end. It has been a rough year farming their crop of oranges. They have noticed an increase in insects climbing on their fruit.

Why is pancreas considered as a heterocrine gland

Describe global temperature cahnge over time

George believes that rotting garbage can turn into maggots that grow up to be flies. Use a principle from cell theory to explain why this cannot occur.