Organisms that live and reproduce in the absence of oxygen are called

Why is killing its host usually disadvantageous for a parasite?

Muscular tissue has several important properties, such as electrical excitability. Another property of muscular tissue is that it is able to stretch, and return to its original size and shape. Which property of muscular tissue is this

Which of the following is an example of protein denaturation? Choose 1 answer: A) Amino acids fold into repeating patterns due to hydrogen bonding of the peptide backbone. B) Several amino acids are joined together via peptide bonds.

Cystic fibrosis is an inherited genetic disorder caused by two copies of a defective recessive gene that causes A) senility at around age fifty and slow nervous system damage. B) the buildup of fluid in the lungs, and complications from pneumonia.

What is a predator in science

What creates the magnetic field in an electromagnet? A electric current through a straight piece of metal B magnetic fields around a straight wire C electric current through a wire coil D all of these

Plants, like animals, perform cellular respiration. What is the gas released into the environment by breathing? What is the gas withdrawn from the environment in this process?

Which of the following elements is an essential element that makes up ATP

An ultrasound procedure that evaluates blood flow in an effort to determine the cause of a localized reduction in blood flow is

Who studied the role of rna