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ddd [48]
3 years ago
8

Explain why there are more substances on Earth than are listed on the periodic table of elements.

Biology
2 answers:
Svetlanka [38]3 years ago
7 0

Answer:

Elements are pure substances with only one type of atom. When two or more elements are combined, compounds are formed. This allows more substances to be created on Earth.

Explanation: 100% correct just took edgenuity test

bixtya [17]3 years ago
6 0

The periodic table only accounts for elements.  It does not account for compounds, such as water.

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Four different types of cells are shown below. . Which characteristic is shared by all four cells? A. Membrane-bound organelles
NNADVOKAT [17]

Answer:

The answer is option c.

Genetic material composed of DNA

Hope this helps.

5 0
3 years ago
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Explain Why ice stays on top of oceans instead of sinking to the bottom.
Mariana [72]

The ice stays on top because it is sold which means it is less dense than liquid (water)

5 0
3 years ago
Describe the change that you made that led to the increase in the size of the clawcat population. Explain why the change led to
Rom4ik [11]

Answer and Explanation:

It is possible to increase the population of Clawcat in two ways. The first is to decrease the population of the organism that feeds on Clawcat. The second is to increase the resources that Clawncat needs to survive, that is, to increase the fertility of the soil through an appropriate and efficient fertilization, making a larger plantation of Clawcat, allowing an adequate irrigation and allowing full access to sunlight.

4 0
2 years ago
Compare each patient's cdna sequence to the wild-type cdna sequence. Each patient has one nucleotide-pair substitution mutation.
Lera25 [3.4K]

The mutation is a change in the nucleotidic sequence. In the exposed example, Patient 1: nucleotide 143, T<u>T</u>C⇒T<u>G</u>C. Patient 2: nucleotide 143, T<u>T</u>C⇒T<u>C</u>C. Patient 3: nucleotide 147, TT<u>C</u> ⇒ TT<u>G</u>.

<h3>What is a mutation?</h3>

A mutation is a change or alteration in DNI sequences that introduce new variants.

Many of these are eliminated, but some of them might succeed and be incorporated into each individual.

These mutations are the ones that have been selected by natural selection.

<h3>Solving the problem</h3>

We know that each sequence initiates with nucleotide number 103 and ends in nucleotide 162.

So first, we will number the nucleotides, from 103 to 162. Each nucleotide has a number in increasing order.

Now, we will identify the mutations in each of the strands by comparing them with the wild-type sequence. The mutation occurs in one of the nucleotides, so we must look for the change in the bases.

Finally, we will identify the nucleotide location of each mutation.

                   nucleotide                 wild-type                mutated

<u>                       location                 nucleotide              nucleotide      </u><u>           </u>

Patient 1            143                         TTC                         TGC

Patient 2           143                         TTC                         TCC

<u>Patient 3           147                          TTC                        TTG                         </u>

<u />

In the attached files you will find an image for a better understanding.

You will learn more about mutations at

brainly.com/question/4347425

brainly.com/question/17914937

 

3 0
2 years ago
BIOLOGY HELP PLS!!!!!!! I DONT KNOW WHAT THIS IS XD
arsen [322]
The first question is the first option (4 haploid cells; 2 diploid cells).
The second question is the first option also (nitrogen).
If wrong I’m sorry but good luck! Have an amazing day!
8 0
2 years ago
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