Answer:
The proper order is as follows-
1) A B cell differentiates from a lymphocyte stem cell, and the mature B cell expresses a specific type of B cell receptor on its cell membrane.
2) Gene expression is altered in the B cell, and the B cell begins to divide.
3) Several rounds of division occur, producing many B cells that all express the same B cell receptor.
4) The B cell's BCR (B cell receptor) binds to a foreign antigen with high specificity and high affinity.
5) Second messenger signaling is activated in the B cell.
Answer:
urease test media contains 2% urea and phenol red as an indicator.An increase inPH due to the production of ammonia results in a color change from yellow (ph6.8) to bright pink (ph8.2).
Answer:
They are located in the retina (a layer at the back of the eye).
Answer:
Well, there is more of a chance for the variation of features to happen. For Instance: Eye Color, Hair Color, and Many More Features. Also, by using a Punnett Square, You could find out the other ways that increased genetic variation can help offspring.
Explanation:
Answer: Chlorophyll
Explanation:
Chloroplasts contribute to the cell by housing the photosensitive pigment chlorophyll which is able to facilitate the conversion of light energy to chemical energy.
