Answer:
PLZ MARK ME AS BRAINLIST....
Explanation:
ANSWER OF 1ST QUESTION -
1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic .
ANSWER OF 2ND QUESTION -
Mutations can produce viruses with a reduced pathogenicity, altered host range, or altered target cell specificity but with intact antigenicity. Such viruses can sometimes be used as vaccine strains.
Answer:
Negative and Positive paragraphs.
Explanation:
Positive statements tell us what is. Negative statements tell us what is not.
<u>Spanish Translation:</u>
<u>Las declaraciones positivas nos dicen qué es. Las declaraciones negativas nos dicen lo que no es. </u>
<u>Espero que esto ayude!</u>
<span>As the human population grows, our natural resource requirements
increases. The answer is letter A. One, the source of food is important for survival.
More humans needed the right nutrition to improve bodily functions. And therefore,
more lands are to be cultivated for agricultural production to suffice the needs
of the society. Two, humans need extra habitable
area to live. It does not go in cycles because
the ecosystem is not balanced. Population explosion is the main cause why these
natural resources slowly decreases and at the same time increases their demand.</span>
Answer:
sexual
Explanation:
there are two types of reproduction,
the boring kind and the fun kind
Uh i mean asexual and sexual
in asexual the DNA is copied pretty much exactly the same so there is no room for improvement so if something suddenly changes the organism dies.
In sexual, The DNA of 2 different organisms are combined and this allows for greater variation in genetic evolution. so if something in the environment happens, the ones with a better genes will survive and reproduce more while the other ones die.
