Which organelle is responsible for breaking down old organelles?
a. digestive vacuole
b. lysosome
c. endoplasmic reticulum
d. golgi apparatus

What happens when the cell copies its chromosomes

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?