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LekaFEV [45]
3 years ago
10

What two scientists established thr structure of DNA?​

Biology
2 answers:
Mumz [18]3 years ago
8 0

Answer:

James Watson and Francis Crick

Explanation:

The discovery in 1953 of the double helix, the twisted-ladder structure of deoxyribonucleic acid (DNA), by James Watson and Francis Crick marked a milestone in the history of science.

Maru [420]3 years ago
3 0

Answer:

The two scientists to establish DNA are James Watson and Francis Crick.

Hope it helps :)

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Based on fossil data, the researcher estimates that humans and their most closely related species in the data set diverged appro
tester [92]

Answer:

Hello your question is incomplete attached below is the complete question

answer : = 1.25

Explanation:

i) Determine the rate of mtDNA percent divergence

From the data given the most closely related specie is Chimpanzee ( 8.8 sequence  difference )

Note : Given that this divergence took place seven million years from now

∴The rate of mtDNA percent  divergence per 1 millions years

= 8.8 / 7 = 1.25

5 0
2 years ago
List the four main components of air in their molecular form
kap26 [50]

Answer:

Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.

Explanation:

7 0
3 years ago
1) As the body's chemical messengers, _____________________ transfer information and instructions from one set of cells to anoth
trapecia [35]

Answer:

1) As the body's chemical messengers, <u>hormones</u> transfer information and instructions from one set of cells to another.

2) A <u>gland</u> is a group of cells that produces and secretes, or gives off, chemicals.

3)  Hormones are released into the bloodstream via small tubes called <u>duct.</u>

4) Hormones find their way through the blood to their <u>targeted/respective </u>cells.

5) Each hormone is a differently shaped key that will only fit into the correct <u>receptor</u> lock.

6 0
2 years ago
Which country would most likely have a declining birthrate?
spayn [35]

an industrially developed country

Explanation:

A declining birthrate can be attributed to an industrially developed country. Birthrate is the number of births per thousand of population in a year.

  • Several factors contributes to variations in birth rates some of which are:
  1. Economy
  2. Religion
  3. Social structure
  4. Family planning
  5. Culture
  6. Education
  • A declining birth rate can be attributed to industrially developed countries.
  • In such countries, more women take part in the workforce.
  • When women becomes employable and serves as industrial workers, they are not likely to tend to reproduce more.
  • This can lead to a decrease in birth rate.

Learn more:

Population trend brainly.com/question/13181732

#learnwithBrainly

4 0
3 years ago
What's the source code of transcription
Vadim26 [7]
The source code of transcription is mRNA.
6 0
3 years ago
Read 2 more answers
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