Which macromolecule catalyzes chemical reactions, thus be considered an enzyme?

When water moves across the cell membrane, it does so through a particular structure. Which statement best describes the movement of water molecules into and out of the cell?

A watershed is the land that water flows across or through on its way to a stream, lake, wetland, or other body of water. What is the main factor that can negatively affect water quality in a watershed? A. amount of precipitation B.

When would green plants carry out photosynthesis only during the day?

Which of the following terms is least associated with tRNA? 1. anticodon 2. DNA 3. amino acid 4. codon 5. ribosome

Nearest to the epiphysis and contains randomly arranged chondrocytes that do not divide rapidly. chondrocytes produce new cartilage through interstitial cartilage growth. chondrocytes divide and form columns resembling stacks of plates or coins.

Which best describes how the government influences scientific research A. The government provides funding for many scientists B. Most types of scientific research are illegal C. The government controls the peer review process D.

Describe the activity of chromosomes in metaphase 1 of meiosis how does this activity differ from the activity

The first organisms to colonize a newly formed, lifeless habitat are part of

Geetha is 13 years old. She weighs 60 kg and is 4 feet and 2 inches tall. What is Geetha's BMI and weight category?

What is a biodiversity hotspot? A. Areas with high numbers of endemic species. B. Areas with high density of species C. Areas with endangered species. D. Areas that are along the equator and experience high temperatures annually.