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Pani-rosa [81]
3 years ago
13

PLZ ANSWER FAST. I NEED THIS ASAP

Chemistry
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

An electron in the outer energy level of an atom

Explanation:

Because it is responsible for the chemical properties of the atom and also participates in chemical bonds

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CO 2 is an element. true or false
iren [92.7K]

Answer: false

Explanation:

f this helps typically an element wont have a 2 next to it, to see if something is an element or compound check for the element on the periodic table and see if the structure or name matches the one given to you on the question. for example here it is Co2 on the periodic table it's simply written as Co

co2 or carbon dioxide is a  compound not an element, you can even check this on the periodic table

7 0
3 years ago
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How does the ribosome know the sequence of amino acids
Andreyy89

Answer:

The ribosome contains three grooves which are sites for the tRNA. The first codon is AUG, which is called a "start codon". ... So, the tRNA that has the anti-codon sequence of UAC carrying the amino acid Met bonds to the mRNA codon. Another tRNA bonds to the next codon in the next groove with the next amino acid

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3 years ago
During this chemical reaction energy is absorbed. In the chemistry lab, this would be indicated by a decrease in temperature or
Semmy [17]

Reactions like this one absorb energy because the reactants have less potential energy than the products.

<h3>What is an Endothermic reaction?</h3>

This is the type of reaction in which the reactants absorb heat energy from the surroundings to form products.

This brings about a decrease in the temperature as a result of the reactants having less potential energy than the products thereby making option B the most appropriate choice.

Read more about Endothermic reaction here brainly.com/question/6506846

8 0
2 years ago
In cats,short hair is dominant to long hair. If a heterozygous short-haired cat is crossed with a homozygous long haired cat,wha
Gnoma [55]

Answer: 50% will have short hair

Explanation: The allele for a heterozygous dominant short hair is ( Ss ) and the allele for the homozygous long hair which is the recessive trait is ( ss ).

If we cross these alleles the results will be.

s s

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s ss ss

The results will have 50% Heterozygous dominant short hair and 50% Homozygous recessive long hair.

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A mosses don’t have seeds
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