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:
Nutrients from breast milk.
Explanation:
Healthy newborns make blood glucose from sugar and several nutrients from the colostrum, a type of liquid that mother’s breasts produce before breast milk itself. Later, the babies make glucose from mature breast milk.
Most healthy babies, born after 37 weeks of gestation do not risk hepatic glycogen drops. They can easily compensate for normal drops in blood sugar, in other words, whenever the baby is breastfed when needed, he/she will be able to keep his/her glucose levels stable.
Answer:
Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.
Explanation:
the number of trophic levels in a food web
C - Eukaryotes and heterotrophic.
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