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choli [55]
3 years ago
14

What is special about water and density?

Biology
1 answer:
vitfil [10]3 years ago
3 0
Water is less dense as a solid than as a liquid. Normally this is reversed. Water has its maximum density at 4 degrees Celcius.
The fact that ice is less dense than water allows it to float on top of ponds so fish, frogs, etc can survive winters.
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Blood typing is an example of ___. this is where there is one gene but that one gene can have several different characteristics
Sauron [17]

Answer:

The correct answer would be multiple alleles.

Multiple allele refers to the condition in which a gene exists in more than two alternative forms in a population that is, it has more than two alleles.

Different allele may provide different traits to the organism.

For example, in humans, blood types or groups are determined by three alleles I^{A}, I^{B} and <em>i.</em>

Three alleles produce four types of blood groups (phenotypes) which are A, B, AB, and O.

8 0
4 years ago
If a specific gene code for a polypeptide is 120 amino acids long, approximately how many nucleotides long is the mRNA that code
Ket [755]

Answer:

360 nucleotides

Explanation:

Each amino acid corresponds to a specific codon, a sequence of three DNA or RNA nucleotides.

If there are 120 amino acids and a sequence of three nucleotides corresponds to one amino acid, then 120 × 3 = 360 nucleotides.

Hope that helps.

8 0
3 years ago
What are the 5 stages of DNA replication?
Molodets [167]

Answer: Step 1: Replication Fork Formation

Step 2: Primer Binding

Step 3: Elongation

Step 4: DNA Pol I exonuclease

Step 5: Termination

Explanation:

5 0
3 years ago
.........is the study of plant and animals in relation to their environment
aleksandrvk [35]
Ecology because it explains plants and animals
4 0
4 years ago
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valkas [14]

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