Which of the following is true of DNA?

A. There are six nitrogenous bases involved.

B. Cytosine can pair with guanine and adenine.

C. There are four nitrogenous bases involved.

D. Adenine always pairs with guanine.

Of the following statements, which best supports the continental drift theory?

A sharp pyramid shaped mountain peak, formed when several cirque's surround a single high mountain, is called a? A. Kettle B. Glacial horn C. Moraine D. Glacial drumlin

The small units that make up the macromolecule DNA are called A. nucleotides B. monomers C. proteins D. genes

Which nitrogenous bases will pair up across a DNA strand

Mountain lions kill and eat various organisms, such as rabbits. The presence and movements of mountain lions influences where rabbits make their burrows and feed. The mountain lion is a and the rabbit is a

How many cell types are present in your groups set of organisms?

Which of the following is the functional unit of a myofibril? a. sarcomere b. myofilament c. sarcolemma d. endomysium

20. In certain species of summer squash, fruit color is determined by two interacting genes. A dominant allele, W, determines white color, and a recessive allele (w) allows the fruit to be colored.

When you look out the window, you can see constantly moving air. air is cycled in order to reach equilibrium. B) since these change the density of air and we know the air flows from the region of high density to the region of low density.

What effects do deforestation have on the animals?