Which of the following is a possible nucleotide found in dna?
ribose sugar + phosphate group + adenine
ribose sugar + phosphate group + uracil
deoxyribose sugar + phosphate group + thymine
deoxyribose sugar + phosphate group + uracil

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?