Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
Answer: D). A and B
Explanation:
Lipids are the biomolecules that are typically non-polar and hydrophobic in nature, which means they are insoluble in water. The function of lipids is to store energy, and they are the integral part of the cell membrane of plant and animal cell. The examples of lipids includes the waxes, steriods, fat soluble vitamins, phospholipids, diglycerides and fatty acids.
Answer:
Prokaryotes
Explanation:
Prokaryotes are organisms that consist of a single prokaryotic cell. Eukaryotic cells are found in plants, animals, fungi, and protists. They range from 10–100 μm in diameter, and their DNA is contained within a membrane-bound nucleus.
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The answer is C. Photosynthesis Reaction. Hopes this helps :D
