Answer:
The answer is <em><u>D.
</u></em>
Explanation:
Viruses can evade the processing and presentation of antigens, for example by interfering with the expression of MHC class I proteins, although this increases their susceptibility to be detected by natural killer cells (NK). However, some members of the herpesvirus, papillomavirus, retrovirus, poxvirus and flavivirus families have also developed strategies to escape the attack of NK cells and promote their survival, inhibiting cell apoptosis. Finally, some pathogens often change surface antigens frequently, as in the case of influenza viruses (orthomyxovirus).
The human immunodeficiency virus (HIV) affects CD4 + T cells and degrades the host's ability to counterattack with a strong cell-mediated immune response. There are so many tactics of immune evasion used by HIV, which have so far hindered the development of an effective vaccine.
The atoms are going through decomposition.They are breaking apart into the elements they are made of.
Answer:
Starfish
Explanation:
This is an opinion questions, so there really isn't a right or wrong answer. You could just as easily choose Eel. Your task is to pick one and defend your reasoning.
I chose starfish because starfish have a long history of demonstrated adaptability to a wide variety of conditions. Their armored skin protects them from a variety of predators, as does the poison that many of them contain. They have the ability to regrow limbs, and even regrow entire starfish from certain body parts. When it comes time to breed, starfish meet together in groups. Each female releases a few million eggs from the gonads in each of her arms. Each male then releases billions of sperm from each gonad in each of his arms, thus covering the eggs with sperm to fertilize them.
The correct answer is option (C) Gray rabbits would be eliminated by predators.
Camouflage is an adaptation by organisms allowing them to blend with the environment. This helps them in surviving or escaping from their predators. It can be throught coloration or developing a particular pattern or mimicry.
The example given above is a type of camouflage through concealing coloration. Concealing coloration includes having a fixed camouflage and changing the camouflage depending on the environment. Grey rabbits cannot exhibit camouflage as the backgroud is dark rocks and light stones. As a result, these rabbits are clearly visible to the predators and get elimiated by them.
<span>Missense mutation
</span>Mutation can be defined as the permanent alteration
in the nucleotide sequence of the genome of a virus, organisms or other genetic
materials. However, a change in single nucleotide that result to a codon that
code for different amino acid can be refers to as Missense mutation.