Biology

Question 1

Archaea

Answer 1

Single-celled organisms lacking nuclei (prokaryotes), formerly called archaebacteria, but now known to differ fundamentally from bacteria - One of the three highest-level Domains of organisms - Initially only found as extremophiles, now found nearly everywhere

Question 2

Prokaryote

Answer 2

An organism whose cell (or cells) are characterized by the absence of a nucleus or any other membrane-bound organelles - Both archaea y bacteria are prokaryotic organisms, as opposed to eukaryotes - All the intracellular water-soluble components (proteins, DNA y metabolites) are located together in the cytoplasm enclosed by the cell membrane

Question 3

B Vitamins (8)

Answer 3

B1 - Thiamine
B2 - Riboflavin
B3 - Niacin
B5 - Pantothenic Acid
B6 - Pyridoxine
B7 - Biotin
B9 - Folic Acid
B12 - Cobalamin

Question 4

Essential amino acids (9)

Answer 4

Amino acids that can’t be synthesized by human body, y thus must be supplied in the diet - Phenylalanine, valine, threonine, tryptophan, methionine, leucine, isoleucine, lysine, y histidine