.......is secreted into the bloodstream, whereas _____ is secreted into mucus such as gastrointestinal fluid, colostrum, saliva, tears, and sweat:
a. Monomeric IgM; pentameris IgM
b. Monomeric IgA; dimeric IgA
c. Monomeric IgA; dimeric IgM
d. Dimeric IgA; monomeric IgA
Answer:
b. Monomeric IgA; dimeric IgA
Explanation:
IgA is a class of antibodies that are found mainly in body secretions. In sweat, tears, saliva, mucus, breast milk, and gastrointestinal secretions, IgA is secreted as a monomeric antibody. Smaller quantities of this class of antibodies are also present in blood and lymph. However, IgA is present in a dimeric form in the bloodstream. It makes up 10–15% of all antibodies in the blood. The main function of this class of antibodies is to give localized protection of mucous membranes against bacteria and viruses.
Answer:
Evolution is not the same as adaptation or natural selection. Natural selection is a mechanism, or cause, of evolution. Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations.
Supergiants- largest stars in the universe
Giant- they are larger than normal stars
Dwarfs- these stars are very small in comparison to other stars
Main Sequence- they fuse hydrogen atoms to form helium atoms in their cores
BRAINLIEST??
Ocean currents can be found both on the ocean surface and in deep water below 300 meters (984 feet). Surface currents are driven mainly by wind, but sometimes they can be driven by other things such as the movement of animals ect. While the Deep current are while the deep ocean currents are driven by density and temperature gradients. Thermohaline circulation is also known as the ocean's conveyor belt (which refers to deep ocean density-driven ocean basin currents). These currents, called submarine rivers, flow under the surface of the ocean and are hidden from immediate detection.
Sorry wasn't able to answer the last two blanks
Please help me to answer my question too and I might spend more time working on your.
But my Answer Are mostly accurate
<span>It's Denitrification: In the absence of oxygen bactaria break down nitrates releasing nitrogen back into to the atmosphere and using the oxygen for their own respiration</span>
