Recall that photosynthesis consists of two sets of chemical reactions. which of these describes the energy conversions that occur during the light-independent reactions? light energy à chemical energy chemical energy à chemical energy chemical energy à mechanical energy mechanical energy à mechanical energy

Influenza (the flu) is caused by a virus that attacks the respiratory system. which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus? a the gene that controls the production of stem cells b the gene that controls the production of skin cells c the gene that controls the production of red blood cells d the gene that controls the production of white blood cells

The periodic table houses noble gas elements in group 18. these elements are highly stable and rarely react with any other elements. what is one possible reason for the stability of the noble gas elements? a. they easily form covalent bonds. b. the compounds that they form with other elements are very unstable. c. their outermost shell has the maximum number of electrons that it can hold. d. they require less activation energy.

Utilizando-se duas lâminas de microscopia, foi colocada uma gota de sangue humano em cada uma delas. a cada gota foi juntada igual quantidade de soro anti-a na primeira e soro anti-b na segunda. após a mistura do sangue com os respectivos soros, foi observada aglutinaç? o nas duas lâminas. a partir desses dados podemos afirmar que o indivíduo, quanto aos grupos sanguíneos abo, é: escolha uma: a. grupo b. b. grupo ab. c. possui dois tipos de anticorpo no plasma. d. possui apenas um tipo de anticorpo no plasma. e. grupo a.