Please answer fast Which statement is true about BRCA1 and BRCA2 genes?

A. These genes were discovered in 1953.
B. Cancerous tumors often form on these genes.
C. People can be tested for mutations on these genes.
D. Mutations of these genes lead to diabetes.

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi

Use the distance formula to determine weather each pair of segments have the same length