Answer:
1. All living things have cells.
2. The cell is a basic unit of life.
3. New cells arise from existing cells.
Explanation:
Answer:
The correct answers are given below
Explanation:
NK cells- Immunological surveillance
Plasma cells- Antibodies
CD4 lymphocytes- Helper cells
Macrophages- Phagocytosis
CD8 lymphocytes- Cytotoxic
IGg- Antibodies
IgE- Allergies
IgM- Primary response
They are good because they begin the process of primary succession after a natural disaster.
Answer:
staphylococci
Explanation:
Gram stain -
it is the method of staining which classify the species of the bacteria into gram - positive and gram - negative .
This method distinguish the bacteria by its physical and chemical properties of the cell well of the bacteria .
1. In case of gram - positive , the stain is of color violet , because to its thick cell wall .
and ,
2. In case of gram - negative , the stain is of pink color , because to thinner cell wall .
The bacterium , which shows Gram - positive coccus after the gram stain is staphylococci .
The one that is radially symmetrical deuterostome invertebrate that most closely related to chordates is : B. echinoderm
This organisms doesn't have a backbone and known for being radially symmetrical. An example of a echinoderm is a Starfish
hope this helps
