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DanielleElmas [232]
2 years ago
13

Why are there seasons? QUICKLY AND IT HAS TO BE A LONG EXPLANATION

Biology
1 answer:
Shkiper50 [21]2 years ago
5 0

Answer: Seasons occur because Earth is tilted on its axis relative to the orbital plane, the invisible, flat disc where most objects in the solar system orbit the sun. Earth's axis is an invisible line that runs through its center, from pole to pole. Earth rotates around its axis.

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.What might happen to cells with DNA that has been damaged by an environmental influence such as UV light from the sun or a tann
VARVARA [1.3K]

Answer:

It can lead to melanoma or a time of skin cancer.

Explanation:

This is because UV radiation in sunlight can destroy the DNA by destroying the base pairing. UV light will cause two Thymine that are very closer to each other to join together to produce dimer. After which, The melanin-assisted process form lesions that is popularly called cylobutane pyrimidine dimers in DNA, which can result in mutations that cause melanoma which is a form of skin cancer

5 0
2 years ago
How do bacteria enable a baby to extract nutrition from the mother's milk?
Firlakuza [10]

Answer:

Lots of bacteria are present as the microflora of a baby's gut which helps it to extract the nutrition from mother's milk and also helps the baby to maintain a low number of pathogenic bacteria in its gut.

Some bacteria present in the baby gut release enzymes like glycoside hydrolase which helps baby to digest carbohydrate present in the mother's milk.  

Bacteria like Bifidobacterium, Streptococcus, Staphylococcus are already present in breast milk which helps in making gut microflora of baby and this gut microflora helps in extracting nutrients from mother's milk.

4 0
3 years ago
What role do receptor sites play in drug activity? What role do receptor sites play in drug activity? The receptor site removes
KATRIN_1 [288]

Answer: The receptor site is the location that a drug binds to, altering the function of a biomolecule.

Explanation:

The drug receptors site, are the sites where the sites where the drug molecules bind.  Basically, a low number of receptors exists and the extent to which the molecules occupy their sites differ with the concentration of drug.  The receptor site changes the conformation and function of the binding molecule of the drug.

5 0
3 years ago
Read 2 more answers
Salcamul - cat traieste
liraira [26]
Salcâmul ,,trăieşte,, în jur de 100 de ani.
Baftă!
3 0
3 years ago
Our understanding of DNA and gene expression has dramatically increased over the last 50 years. Describe 2 positive impacts and
lozanna [386]

Positive impacts of genetic engineering:

• New products are created such as food with higher nutrition values, drugs that are more effective and safer

• Disease prevention (“correcting” the genetic mutation, or removing disease-causing gene)

Negative impacts of genetic engineering:

• irreversible side effects, for example resistance of bacteria or introduction of viruses in human cells

• abusing like change specific traits that are not connected with diseases, create human outcomes that are ethically questionable.


3 0
3 years ago
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