Answer:
1- Information is transcribed in DNA to mRNA
2- mRNA leaves the nucleus
3- Ribosome attaches to the mRNA
4- tRNA anticodon carries an amino acid that compliments the mRNA codon
5- The chain of amino acids forms a protein
Explanation:
Answer:
- Physical and chemical barriers
- non-specific innate responses
- specific adaptive responses
<u>The differences are...</u>
The first barrier is the physical and chemical barrier. It is the first line of defense when in contact with outside sources, this can be through the skin, earwax, nose-hair, etc.
The second barrier, the non-specific innate response, is after these outside sources have somehow managed to pass through the first barrier. They come into contact with cells and enzymes that help to defeat them.
The third barrier, the specific adaptive response, is the body's way of dealing with pathogens that the body has encountered before. (B cells activate)
Answer:
a. pepsin
Explanation:
it has a 1 to 2 level which is acidic because anything lower than 7 is acidic
<span>a. What is one adaptation of a mangrove tree species that allows it to survive in its environment?
Answer: </span><span>Two key </span>variations they need are the flexibility<span> to survive in </span>wet<span> and </span>hypoxia<span> (no oxygen) soil, </span>and therefore the<span> ability to tolerate </span>briny<span> waters. Some mangroves </span>take away<span> salt from </span>briny water<span> waters through ultra-filtration in their roots.</span>
1. mother to fetus 2. through exposure to the antigen (virus, toxins, or cancer cells).
