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QveST [7]
3 years ago
9

What is rare type of blood ?​

Biology
2 answers:
Ratling [72]3 years ago
8 0
AB negative is the rarest
Talja [164]3 years ago
4 0

Negetives of any blood are rare but they are present.

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Plants are a source of ________.<br><br> food<br> fuel<br> medicine<br> all of the above
den301095 [7]

Answer:

Plants are a source of food, fuel and medicine.

Explanation:

In biology, plants are photosynthetic living beings without locomotive capacity whose cell walls are mainly composed of cellulose.

The importance of plants for humans is indisputable. Without them we could not live, since the plants participated in the composition of the gases present in the Earth's atmosphere and in the ecosystems, and are the primary source of food for heterotrophic organisms. In addition, plants have direct importance to man: as a source of food; as building materials, firewood, fuel and paper; as ornamental; as substances that worsen or improve health and therefore have medical importance; and as a consequence of the latter, as the raw material of the pharmaceutical industry.

7 0
3 years ago
The what produce bioluminescent molecules
Reil [10]

Answer:

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4 0
3 years ago
Which protein is responsible for unraveling the DNA double-helix into 2 strands to prepare it for copying?
mr Goodwill [35]

The answer is; DNA helicase

They unzip the double helix into single strands during replication. The unzipping occurs at regions called origins where replication is initiated. The protein breaks the hydrogen bonds (using energy from ATP) between the complimentary bases of the strands hence forming a replication fork.


6 0
3 years ago
What is the difference between genotype and phenotype
dlinn [17]

Answer:

  • person’s <u>genotype</u> is their unique sequence of DNA. More specifically, this term is used to refer to the two alleles a person has inherited for a particular gene. <u>Phenotype</u> is the detectable expression of this genotype – a patient’s clinical presentation.

Explanation:

person’s phenotype results from the interaction between their genotype and their environment.

The connection between genotype and phenotype is not always clear-cut. This means that you may encounter disparities between your patient’s genomic test result and their clinical presentation. Similarly, the phenotype of patients with a given genetic condition may vary greatly even within families.

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