Answer:
coat color blending in with dry grass.
Explanation:
the gazelle has a brown colored coat and dry grass is also a similar brown color allowing them to blend in more with their surroundings.
Answer:
Bacteria are examples of the prokaryotic cell type. ... In general, prokaryotic cells are those that do not have a membrane-bound nucleus. In fact "pro-karyotic" is Greek for "before nucleus". Besides bacteria, the cyanobacteria (blue-green algae) are a major group of prokaryotes.
Answer:
The correct answer is : Released as the heat.
Explanation:
Exergonic reactions that are occurs on it own as there is no need of the energy to initiate these reactions whereas endergonic reactions requires some amount of the energy to initiate it and the required energy come from the exergonic reactions provide a large amount of energy in by breaking the bonds.
Endergonic reactions require less amount than that is released from that released from the exergonic reaction. The energy that is left is lost as the heat after consumed energy by endergonic reaction.
Thus, the correct answer is : Released as the heat.
Answer:
Explanation:
An epitope (antigen determinants) is the part of an antigen that interacts with antibodies.
Epitopes bind to antibody molecules via T-cell receptors in a region known as complementarity determining region (CDR) and the Major histocompatibility complex (MHC) participates in this by forming complexes with peptides. The MHC helps the T-cell to recognise epitopes of antigens and discriminate self from non-self.
The MHC, T-cell works together to bring about the binding of epitopes to antibody molecules.
The main function of MHC molecules is to bind to antigens derived from pathogens and display them on the cell surface for recognition by the appropriate T-cells.
It should be noted that the amino acid sequence of the CDR determines the shape of the binding sites of the T-cell and the antibody that can be bound by an epitope.
The consequences of the interactions are;
1. MHC-peptide complex helps T-cell receptors bind to epitopes and thus antibodies
2. The shape of the binding sites (CDR) determines the antibodies that can be attacked any abnormalities at this point will affect the adaptive immune system.
