Answer:
C
Explanation:
Synthesis is when DNA is being replicated.
Additional information:
- Growth 1: Just a growth stage
- Growth 2: Known as a checkpoint stage where the cell gets ready for mitosis.
Inveterbrate would be a grasshopper
Answer:
Most polymers, including poly(ethene) and poly(propene) are not biodegradable . This means that microorganisms cannot break them down, so they: cause a litter problem if disposed of carelessly. last for many years in landfill sites.
Some activated b cells will move to the follicles where, with the aid of follicular t helper cells in the spleen and lymph nodes, they continue to differentiate.
<h3>B-cell differentiation: </h3>
In reaction to the antigens, these cells develop in the bone marrow and create antibodies. Humoral reaction involves B lymphocytes. B cells create plasma cells and memory B cells as soon as they come into contact with the antigens.
In the spleen and lymph nodes, B-cells develop into plasma cells. An immunoglobulin receptor on each B-cell can bind to a single, distinct, unprocessed antigen. After being exposed to an antigen, B cells release interleukins to become active.
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Answer:
A)2 sodium atom and 1 oxygen atom
