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Nina [5.8K]
3 years ago
12

NEED IT ASAP!! I WILL MARK A BRAILIEST

Biology
1 answer:
mihalych1998 [28]3 years ago
4 0

Since Lithium has one valence electron that means it needs to lose it to form a stable structure. That means it's valence is equal to one. Oxygen has six atoms, in order to form a stable octet structure it needs to accept 2 electrons, therefore it's valence is 2.

Therefore two Lithium atoms bond with one oxygen atom to form Li2O

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Like all flowering plants, the snapdragon must be pollinated to reproduce, but its flowers are closed. A bumblebee has just enou
Lelechka [254]

Answer:

<h2>Coevolution</h2>

Explanation:

Coevolution : It is the influence of closely associated species on each other in their evolution, they affect each other.

In coevolution , two or more species reciprocally affect  evolution of  each other by natural selection.

 

Coevolution Examples:

There are lots of examples of coevolution, some are here

i) coevolution of Predator-Prey , this relationship is one of the most common examples of coevolution.

ii) coevolution of  Herbivores and plants,

iii)  coevolution of Acacia ants and Acacias and

iii)  coevolution of Flowering Plants and Pollinators and many others.

5 0
3 years ago
Assume that a base-pair substitution mutation converts a DNA triplet (AAT) to another DNA triplet (AAA). A second mutation now c
vagabundo [1.1K]

Answer:

The answer is "intragenic suppressor".

Explanation:

In this question, the second mutation on the inside of a mutated gene, that leads to both a simple restoration. Its second mutations were its instance of even a mutation suppresser because it contributed to both the evident recovery of its original phenotype from its second mutation within such a gene.

5 0
3 years ago
How does an adult hydra produce a new hydra?
loris [4]
"By growing a bud" is the one way among the following choices given in the question that <span>an adult hydra produce a new hydra. The correct option among all the options that are given in the question is the third option or option "C". I hope that this is the answer that has actually come to your desired help.</span>
7 0
3 years ago
Read 2 more answers
Blood-sugar levels are regulated by two hormones. Insulin acts to decrease blood-sugar levels; glucagon acts to increase blood-s
BabaBlast [244]
Ingesting a meal will increase your sugar levels, so you need more insulin released to combat that.  There will be more insulin released in your body and less glucogon.
6 0
3 years ago
What usually happens to the host’s DNA during the lytic cycle?
QveST [7]

Answer:

The correct answer is -

A.It is destroyed.

Explanation:

The lytic cycle is considered as one of the two reproductive cycles that virus use for its reproduction (the other cycle is the lysogenic cycle).

This cycle results in the destruction of the host cell.

Bacteriophages (virus that infects bacteria)  use this cycle and referred as virulent phages.

There are basically five steps in this cycle -

Attachment of virus with the host cell membrane, penetration of the genome, which is followed by biosynthesis using host machinery, assembly of virus particles, and finally release, causing host cell destruction.

Thus, option A is the right answer.

6 0
3 years ago
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