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Elena L [17]
3 years ago
10

Which substance compose the backbone of DNA

Biology
1 answer:
madreJ [45]3 years ago
4 0

Answer:

phosphate and deoxyribose

Explanation:

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Nervous:_________;; respiratory
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The answer is (B) Brain. This is because the brain is a part of what is known as the nervous system just as the lungs are part of what is known as the respiratory system.

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Which would indicate the water in a lake is not safe for drinking? A. many varieties of fish in the lake B.high dissolved oxygen
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D high turbidity, that’s muddy looking water
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Viruses are not considered living organisms because they are not composed of:
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Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things

Explanation:

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David is helping to plan a surprise birthday party for his sister Sarah. What lobe is
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Answer:

1. Make a List of their Likes and Dislikes for the Surprise Birthday Party.

2. Plan Surprise Birthday Party Location.

3. Invite the family and Friends to the Surprise Birthday Party.

4. Arrange a Surprise Birthday Party Cake.  

5. Plan a Lunch or Dinner Surprise Birthday Party.

6. Plan Games for the Surprise Birthday Event.

7. Pick a personalized theme. Choose a theme based on the guest of honor's favorite movies, books, or TV shows.

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9. Send out sneaky invites.

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11. Add the sweet finishing touch.

12. Order catering for food and drinks.

13. Turn up the music.

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An organism is _______ for a gene if it has two copies of the same allele for the gene.
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Answer:

An organism is <u><em>homozygous</em></u> for a gene if it has two copies of the same allele for the gene.

The genotype of an organism and the interaction of the genotype with the environment determine the organism’s <u><em>phenotype</em></u> , or observable characteristics.

The law of independent assortment states that the separation of alleles for one gene are independent of that of other genes, unless the genes are<u><em> not linked.</em></u>

Mendel’s law of<u><em> segregation</em></u> governs which allele is expressed in an individual.

Explanation:

A homozygous trait can be described as a trait in which both the alleles of the gene are the same. Heterozygous means that the alleles of the gene will be different.

Genotype is the genetic makeup of an organism where as phenotype of the physical appearance of traits.

Mendel formulated two laws: Law of dominance and Law of Independent Assortment.

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