Answer:
Nuclear fusion is the source of the sun's energy.
Explanation:
The scientific method is a list of steps that scientists use all the time. Scientists use the scientific method to answer questions about certain things and ask questions.
Steps of scientific method:
-Question/problem
-Research
-Hypothesis
-Test/experiment
-Analyze results
-Draw conclusions based on evidence
Answer:
Active uptake.
Explanation:
This phosphate active uptake is mantained mainly by two systems: Pst system, which is only used in situations of phosphorus deficiency, when the level of the external Pi (inorganic phosphate) is lower than 20 micromolar. The Pit system is used constitutively, it means, at all time. These systems relies in several membrane proteins.
Which maternal condition is considered a contraindication for the application of internal monitoring devices?<span>Unruptured membranes In order to apply internal monitoring devices, the membranes must be ruptured.</span>
Answer:
Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P). Nucleic acids are very large macromolecules composed of repetitive units of the same building blocks, nucleotides, similar to a pearl necklace made of many pearls
