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yawa3891 [41]
3 years ago
14

Evolution is:

Biology
1 answer:
fiasKO [112]3 years ago
3 0
A, b, and c are all correct.

take for example finches off of the galapagos islands. they vary from island to island, yet are still the same bird. on one island they have bigger, more durable and stronger beaks, because that island has many nuts to crack open and eat. on another island, they have thin ling beaks, ideal for pecking at insects in the grass on tree bark. evolution is literally survival of the ifttest, where those equipped best will live and those without means to fight for life will die off, leaving those most capable of reproduction and passing down genes.
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Monomers are the building blocks of which of the following? SELECT ALL THAT APPLY
kirill [66]

Monomers are molecules whose linkage between them form polymers.

<h3>What are monomers?</h3>

Monomers are molecules that have a low molecular mass.

<h3>Characteristics of monomers</h3>

  • When many monomers come together through chemical bonds they form a polymer, which is a macromolecule.

  • Natural monomers allow the formation of biomolecules found in living beings.

  • Carbohydrates, for example, are macromolecules that are created from the bond established by monosaccharides (monomers).

Therefore, we can conclude that polymers, in short, are chains of monomers -generally joined by covalent bonds-.

Learn more about monomers here: brainly.com/question/24573189

3 0
2 years ago
Name two substances that can be obtained by evaporation ​
makkiz [27]

Answer:

silicon dioxide Si02 and diamond

Explanation:

because it's commonly found in nature

6 0
2 years ago
Do all exothermic phase changes have a negative value for the entropy change of the system?
spin [16.1K]
Yes! This is because of the law of thermodynamics which suggests that as energy is transferred or relayed into other forms of energy, entropy increases. Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
6 0
3 years ago
Which structural level of protein X would be LEAST affected if the structure of a chaperone protein of protein X is changed?
Alenkinab [10]

Answer:

The correct answer is option A, that is, primary structure.

Explanation:

The molecular chaperones, in molecular biology, refers to the proteins, which helps in the process of unfolding or covalent folding and the disassembly and assembly of other macromolecular compositions.  

In case, if the chaperone protein gets affected, the primary structure of the protein would be the least influenced as the primary structure is just a linear chain of the sequences of amino acids. While chaperones function on its folding to secondary and tertiary structure.  

There is no folding taking place in the primary structure of the protein, thus, there would be the least influence on the primary structure of the protein X if the chaperone protein gets changed.  

4 0
3 years ago
I just don't understand Punnett Squares​
aliya0001 [1]

Answer:

2.  I got you, fam

Explanation:

Think of it like a addition problem, so you are are adding new letters to each square.

First, look at the letters on the outside of the square.  There are two uppercase H's and two lowercase H's.  These are the alleles of the guinea pigs.

To do Punnert Squares, you are basically adding each of the letters in the squares.

For example, look at the upper left square. There is an H above it and an H to the left.  You are going to "add" these to H's to get HH.  (Because an H plus another H equals HH).

Then, look at the upper right square.  There is an h above it and an H to the left of it (outside the square).  Add these two together and you get Hh.

See?  Not so bad!

Continue to do this for the lower left square and you get Hh.

This brings you to the fourth, and final, lower right square.  Now, there is a lowercase h above it and a lowercase h to the far left of it. This means that the square is going to be hh.

Make sense?  This means that your total Punnett Square will look like this (only including the 4-box square):

HH    Hh

Hh     hh

The first question asked how many Hh alleles does each guinea pig inherit from the mother?  Now, looking back at the completed Punnett Square, you can see that there is:   1 HH, 2 Hh, and 1 hh.

So your answer would be TWO, because there are 2Hh in the Punnett Square.

5 0
3 years ago
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