Answer: James Watson and Francis Crick
Explanation:
In 1953 James Watson and Francis Crick are responsible for determining the structure of DNA. James and Watson proposed that the DNA is made up of a double polynucleotide chains that are twisted around each other to forming a helical structure. The two DNA chains runs anti-parallel in opposite direction to each other. Like the structure of the ladder.
The answer is James Watson and Francis Crick
Answer:
It has many functions, including delivering nutrients and oxygen. The four main components of blood are red blood cells, white blood cells, plasma, and platelets
Answer:
Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants (Figure 5.5). After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose.
Explanation:
<span>Eating nonfood items like clay, erasers, and chalk during pregnancy is known by the medical name of geophagy. Pregnant women does crazy things that gives them a weird number of choices when it comes to food cravings. The main reason is to protect her and the baby from harmful microorganisms and toxins and to suffice the lack of vitamins. Clay though has a high mineral content, that is rich in magnesium, copper, iron and calcium. While it may be weird, these minerals are the fundamentals of a human diet especially during pregnancy.</span>
Seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth's surface. Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases.
The most abundant dissolved ions in seawater are sodium, chloride, magnesium, sulfate and calcium. Its osmolarity is about 1000 mOsm/l.
Hopefully this helped hun!Have a good day!
