Ribosomes
Cytoplasm
Mitochondria
Nucleus
Cell wall and chloroplasts
Lysosome
Golgi apparatus
Endoplasmic reticulum
Answer:
B. a decrease in vegetation.
Explanation:
For exclusion:
Cannot increase the vegetation.
And increase the soil erosion.
And decrease the quality of air.
Answer:
Saturation
Explanation:
A solution with as much dissolved solute as it can hold at a given temperature is said to be saturated. The solution is homogeneous since the solute and solvent are evenly distributed in the solution. The solution is saturated however, since no more solute can dissolve at a given temperature.
Answer:
CD4 on the surface of helper T-cells.
Explanation:
MHC class II ( major histocompatibility complex) molecules are processed from the exogenous source. The presentation of antigen on cells are important for the adaptive immune response.
MHC class II interact with CD 4 present on the surface of T helper cells. This interaction is important for the generation of an immune response. Helper T cells can release cytokines and can perform phagocytosis.
Thus, the correct answer is option (C).
C. plants don't need oxygen, they need carbon dioxide and PRODUCE oxygen. Animals DO. Need oxygen, I mean.
