Roberto stepped onto the hot sand at the beach. Realizing it was hot, he quickly moved to the shaded area. Which two systems worked together to move him safely into the shade so that he doesn't hurt his feet? A. Nervous and muscular B, Nervous and cardiovascular C. Cardiovascular and respiratory D. Immune and muscular
Answers: 3
Biology, 21.06.2019 21:30, airsealands
Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm
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Biology, 22.06.2019 14:50, megamorph
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit. there is a precise compatibility between the active site and the lactose molecule. specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed. reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.
Answers: 1
Biology, 22.06.2019 23:20, emilyblaxton
Chimeras are interesting organisms that have two different sets of dna. chimeras occur when when two different zygotes fuse to form one organism. some chimeras have no outward symptoms, while some have two different eye colors it two different blood types what roles do mitosis and meiosis play in the process
Answers: 2
Roberto stepped onto the hot sand at the beach. Realizing it was hot, he quickly moved to the shaded...
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