The double helix<span> describes the appearance of </span>double<span>-stranded </span>DNA<span>, which is composed of two linear strands that run opposite to each other, or anti-parallel, and twist together. Each </span>DNA<span> strand within the </span>double helix<span> is a long, linear molecule made of smaller units </span>called<span> nucleotides that form a chain.</span>
It begins every year on the in January and last 140 days
Answer:
Cells are the basic building blocks of all living things.
Explanation:
The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized function
This is a true statement.
The levels of organization are a follows:
Atomic - these are the elements
Molecular - atoms of various elements bonded together
Cellular - composed of various molecules
Tissues - collections of cells that work together to perform specific functions
Organs - collections of tissues that work together to perform specific functions
Organ systems - collections of organs that work together to perform specific functions
Organism - a collection of organ systems working together to perform specific functions.