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enot [183]
3 years ago
7

What does the term "plastic" mean when saying that "the mantle is plastic"?

Biology
2 answers:
lukranit [14]3 years ago
8 0

Answer: b is the answer

Explanation:

lutik1710 [3]3 years ago
8 0
I think the answer is a
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But what would he not be able to build<br> ?
kykrilka [37]
Hi there!

Give me a little bit more information and then we can get somewhere.
Who are we referring to?
What is he building?

Thanks!
~Brooke❤️
3 0
3 years ago
Using the ultrasonication and agitation method of liposome preparation, what concentration of lipid is necessary to prepare lipo
Galina-37 [17]

The concentration of lipids necessary to prepare liposomes with a diameter of 250 nm is 0.30 mM.

<h3>What are liposomes?</h3>

Liposomes are vesicles which are made up of a lipid bilayer membrane.

Liposomes are important as delivery vehicles for substances such as drugs.

Ultrasonication is a method of liposomes preparation.

Solution of liposomes is dependent on the size.

The larger the diameter, the smaller the l elution volume. Also, increasing lipid concentration will decreases elution volume.

Therefore, the concentration of lipids necessary to prepare liposomes with a diameter of 250 nm is 0.30 mM.

Learn more about liposomes at: brainly.com/question/15852922

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6 0
1 year ago
Why would it be important to know the possible genotypic and phenotypic ratios of different genetic crosses?
OleMash [197]
It’s important to know the possible genotypic and phenotypic ratios of different genetic crosses because the the phenotype shows what the offspring will physically look like what the genotype is what genes the offspring carries. phenotype doesn’t always show what alleles the offspring carries because if the offspring is heterozygous for the gene only the dominant allele shows and the recessive allele won’t be visible. the genotype can see what alleles the offspring carries, both dominant and recessive. knowing the genotype helps to know what alleles are passed on. if one of the parents have a genetic mutation that is passed on, the phenotype helps see what ration of offsprings will have the mutation visible and the genotype will help see what ratio of offsprings will pass on the allele for the mutation

probably isn’t useful. my brain is currently burnt
6 0
3 years ago
Read 2 more answers
How would you account for the fact that fossils of fish are not present in the older layers of rock?
Mademuasel [1]

Answer:

The fish did not yet exist when the old layers of rocks were deposited. In fact, animals with hard parts did not evolve until about 600 million years ago, which is only about 13% of the 4.5 billion year age of the Earth. Multicellular animals without hard parts left tracks in older sediments, but had no fossilize-able body parts.

Explanation:

5 0
3 years ago
The United states is a leading producer of which of the following fossil fuels?
Veronika [31]

The answer is B. Natural Gas.

8 0
3 years ago
Read 2 more answers
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