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dangina [55]
3 years ago
7

Why do meteorites that hit earth provide evidence of the composition of Earths Interior?

Biology
2 answers:
hammer [34]3 years ago
8 0

meteorites are made of the original material from which Earth formed

Morgarella [4.7K]3 years ago
7 0

Meteorites are composed of the original material Form which earth was formed. Their compositions range from metallic meteorites made of iron and nickel to stony meteorites composed of dense rock like peridotite.

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Create three relevant questions that you would like answered or clarified about the role of DNA and chromosomes. Focus on the fo
ASHA 777 [7]

Answer:

Chromosome is made up of protein and DNA molecule.

Explanation:

Chromosome is a thread like structure which is formed from protein and one molecule of DNA. It is present inside the cell of both plant and animals. DNA is a heredity material which contains all characteristics of an organism. Genetic code are codes which contains information about the formation of a specific protein while gene expression is a process in which genetic code is used for the synthesis of proteins. There is no specific role of DNA segments that do not code for proteins but some scientist belief that it control the activity of the gene.

4 0
3 years ago
I also need this quick and there will be a Brainliest.
Ostrovityanka [42]

1/4 recessive can be expected for the recessive trait of mono hybrids from the F2 generation.

Option D

<h3><u>Explanation:</u></h3>

Mono hybrid cross is defined as the crossing between two plants considering the two different alleles of a particular character. It was 1st performed by Father of Genetics, Sir Gregor Mendel. The mono hybrid cross done by him considered the character tallness of garden pea plants, of which one was tall and other was short.

He crossed them to get all tall plants in 1^{st} Filial generation. Now as he self bred those plants, he got the tall and short plants in ratio of 3:1. Thus he proved that the recessive trait of mono hybrids is 1/4^{th} of the total population of F2 generation.  

8 0
3 years ago
Why do cells need to replicate their DNA?
ch4aika [34]

Answer:

Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. ... Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.

Explanation:

Cells must replicate their DNA before they can divide. This ensures that each daughter cell gets a copy of the genome, and therefore, successful inheritance of genetic traits. DNA replication is an essential process and the basic mechanism is conserved in all organisms.

<u><em>Laroi</em></u>

4 0
3 years ago
Read 2 more answers
Match each organ with the correct organ system.
elena-s [515]

Answer:

1 stomach- Digestive

2. brain-Nervous

3. heart-Cardiovascular

4. kidneys- excretory

5. bone marrow- lymph

6.Pituitary gland- Endocrine

7. xylem-vascular tissue

8. bones-skeletal

9. Fallopian tubes-Reproductive

Explanation:

7 0
3 years ago
During replication, which sequence of nucleotides would pair with the DNA segment TTACGC? GGACTC AATGCG UUAGCG AACGTG
Lemur [1.5K]

Answer:

The Answer would be AATGCG.

Explanation: The reason is because A pairs with T and C pairs with G.

5 0
3 years ago
Read 2 more answers
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