The secretion of parathyroid hormone is controlled primarily by the

Organisms that are not autotrophs A. Get energy from inorganic molecules B. Can survive with energy C. Must consume other organisms to get energy D. Get energy from sunlight

Water at the top of the slope has potential energy. true or false?

What is the full definition of: mitochondria

A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition.

Explain what happens when mRNA leaves the nucleus of a eukaryotic cell.

The map shows average wind speeds throughout the United States. Wind energy is and across the United States.

With poultry or game birds, a semiboneless half breast is referred to as A. a frenched half. B. a filet. C. le finnes halves. D. a suprême.

Explain the process of gene therapy. What is the ultimate goal of gene therapy

In the Bohr model of an atom, an electron's path is not known exactly.

How are mitosis and meiosis similar? a. they both have prophase and metaphase. b. they both produce gametes. c. they both produce tetrads. d. they both reduce the chromosome number?