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rewona [7]
3 years ago
12

A substance that yields a cation plus a hydroxyl ion in water is a

Biology
1 answer:
konstantin123 [22]3 years ago
7 0
Salt acid base or just an acid
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1.A scientist wants to prevent a culture of live cells from producing a particular protein. Which of the following will the scie
SIZIF [17.4K]

1. Answer:   A

Explanation: For a cell to form proteins, the specific types of proteins are coded for by the genes in DNA (found in the chromosomes of the nucleus). To produce proteins, the genes are first transcribed by RNA polymerase to form messenger-RNA. The mRNA is then translated into proteins by ribosomes in the cytoplasm of the cell.

2. Answer: B

Explanation: Translation of genes into proteins is dependent on the sequence of nucleotides. They are translated in sequences of 3 nucleotides known  as codons. Therefore adding a nucleotide on a piece of DNA causes what is referred to as a frame-shift mutation. The 3 sequences (of codons) is interrupted and shifted by one nucleotide. Therefore, the codons change and the amino acids translated will also change.

3. Answer: A

Expanation: Producers are significant in a food chain because they incorporate the energy of the sun into the food chain. This is why they are at the base of the food chain and have the largest biomass. They are consumed by primary consumers which are consumed by secondary consumers which are consumed by tertiary consumers and so on.  

4. Answer: D

Explanation: Plants are consumed by herbivores. Therefore, a decrease in plant population due to drought was resulted to decrease in herbivore population. This is due to stiff competition by the herbivores for the scarce plant population. Carnivores consume herbivores. Due to a decrease in the herbivore population, then the carnivore population would also decrease.

5. Answer: A

Explanation: Burning of fossil fuels emits carbon dioxide gas which is a greenhouse gas. Greenhouse gas traps infrared wavelength of lights hence warming up the atmosphere, causing global warming. Reduction  in use of fossil fuels will hence alleviate an increase in global temperature hence protect coral in the oceans from bleaching.  

4 0
3 years ago
What does it mean to be in oxygen debt? a. the muscles get more oxygen than is required for cellular respiration b. the amount o
marshall27 [118]
I think the anwser is C)
Sorry if its wrong
Thanks
<em>Hugs ~L</em>
6 0
3 years ago
Is bison national animal ? If so,which coutry ?​
Nana76 [90]

Answer:

The American bison is the national animal of USA..

3 0
2 years ago
Read 2 more answers
Acellus
Kobotan [32]

Answer: By us people breathing in oxygen and breathing out carbon dioxide.

7 0
3 years ago
Type the correct answer in the box. Spell the word correctly.
Aleksandr [31]

Answer:

<u>40 seconds</u>

Explanation:

This is the answer for plato users.

6 0
2 years ago
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