science DNA

What are the four bases in 
DNA

• AGCT
• AGCU

what are the four bases in RNA

• agct
• agct

Two strands of nucleotides join to form a DNA molecule. The molecule has a ___________ shape

• triple hexix
• double squares
• hexigon
• double helix 

In chromosomes DNA is coiled around ______

• membranes
• protiens
• nuclous
• molucules

The order of the nitrogenous bases in a nucleotide determines the

• the gentic traits 
• pheno type
• genotype

DNA is a long molecule composed of sections. These sections are called 

• pairs
• chromsones
• genes
•  code

These chains of amino acids form a

• cell
• gene
• protien
• none of the above

______ separate the two strands of the DNA double helix.

• enzymes
• protiens
• amino acid

What determines the genetic code of a region of DNA?

• the number of base pairs
• the number of phosphate groups
• the order of sugar and phosphate groups
• the order of nitrogenous bases

Which of the following is the most inclusive component of an organism?

• DNA
• genes
• protiens
• chromsones