Answer:
Hernando de Soto discovered the Mississippi River.
Explanation:
- In 1539 Hernando de Soto and five hundred adventurers began on a journey of exploration that would take 4 years and would travel through 10 states in the southeast United States. His goal was to discover a source of wealth, preferably gold, and around his mines establish a settlement.
- Hernando de Soto and his expedition became the first Europeans to see and cross the mighty Mississippi River.
Answer:
The name “amino acid” is derived from the amino group and carboxyl-acid-group in their basic structure. There are 21 amino acids present in proteins, each with a specific R group or side chainAll organisms have different essential amino acids based on their physiology.
Answer: D, A, C
Explanation: Cell Wall, Plasma Membrane, Flagella
Nucleotides can be radiolabeled before they are incorporated into newly forming DNA and, therefore, can be assayed to track their incorporation. In a set of experiments, a student-faculty research team used labeled T nucleotides to study the incorporation of labeled nucleotides into a culture of lymphocytes. They found that the lymphocytes incorporated the labeled nucleotide at a significantly higher level after a pathogen was introduced into the culture. they might conclude from this observation is that the Infection causes lymphocytes to divide more rapidly
- Lymphocytes is a type of immune cell produced in the bone marrow and present in the blood and lymphatic tissue. B lymphocytes and T lymphocytes are the two main types of lymphocytes. T lymphocytes help eliminate tumour cells and govern immune responses, whereas B lymphocytes produce antibodies. A lymphocyte is a white blood cell type.
To learn more about Lymphocytes.
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''Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. They are vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism.''