True?
false?
reasoning
statement
cellular respiration cannot occur
without glucose.
whereas animals produce carbon
dioxide, plants produce oxygen at the
end of respiration.
inhaling oxygen and exhaling carbon
dioxide is called respiration.
and the reasoning

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

b. the carbon cycle ensures living things have a source of hydrogen

not too sure but maybe in the hot springs.