Which component of the genetic code differs between dna and rna?

A. Three nucleotides per codon

B. The presence of adenine (A) in codons

C. The presence of uracil (U) in codons

D. The presence of amino acids in codons

State one way scientist could use the banding patterns produced by gel electrophoresis

Animals contribute to soil formation through decomposition of organic material. True or false?

How does mosquito control decrease infectious diseases? A) Mosquitoes carry pathogens and transfer them to humans. B) Mosquitoes are covered in many pathogenic bacteria species. C) Mosquitoes breed in standing water that contains pathogens.

What color star is the hottest

A population of mice is evenly divided into two groups, and each group is placed on an isolated island with no existing mouse population.

What produces all of the heavy elements required for life

What biome does a woodpecker and snowly owl live in

A human lost at sea without fresh drinking water is effectively lost in an osmotic desert. why would drinking salt water be harmful

Question 1 Which one of the following supports the hypothesis that life has changed over time? Prokaryotes have no nucleus. The cell has no membrane. Some fossil plants have deep roots. Fossils are distinct from rock layer to rock layer.

Jesse finds a burned-looking rock outside near a small crater. What has she most likely found? a comet an asteroid a meteor a meteorite