The movement of a substrate from an area of lie concentration to an area of high concentration is called a. osmosis b. diffusion c. passive transport d. active transport

What would happen to the structure and order of the amino acids in the protein if the mRNA strand accidentally deleted one of the letters from its sequence?

Which of the following can change shape and carries oxygen to cells that need it? white blood cells red blood cells veins Platelets

You perform a simple stain and when viewed under a microscope you see tiny and large bacillus bacteria. you can conclude this is a pure culture because all species on the slide are clearly bacillus.

Aerobic respiration takes place in the mitochondria because? A) The raw materials of H2O and CO2 are located there B) The enzymes and coenzymes needed for the reactions are located in the mitochondria C) Only complex chemical reactions can take

How do humans affect climate change?

Which of the following represents the most likely location of sensory receptors that monitor internal body temperature and serum osmolarity? a. Carotid bodies b. Hypothalamus c. Solitary nucleus d. Nucleus ambiguus e. Anterolateral medulla

Which domain does an infectious bacterium belong to? a. Archaea b. Bacteria c. Eukarya

How do oceanographers define salinity? A. Density of water B. Amount of nitrogen in water C. Temperature of water D. Amount of salt in water

An object from space burning up as it enters the atmosphere of a planet

When dna replicates the original dna is not affected and a new double-stranded dna is made from two new strands of dna. one strand of the original dna ends up in each of the new dna molecules.