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pentagon [3]
3 years ago
14

When Charles Darwin set sail on the HMS Beagle, what did he and most of his contemporary scientists think about the origin of sp

ecies? When Charles Darwin set sail on the HMS Beagle, what did he and most of his contemporary scientists think about the origin of species? Most scientists, including Darwin, thought each species was specially created by God in its present form and did not change over time. Most scientists thought species were the product of natural processes, but Darwin had different ideas. Most scientists, including Darwin, thought species were the product of natural processes and changed over time. Most scientists thought species had been created in their current forms and were unchangeable, but Darwin believed in a natural origin of spe
Biology
1 answer:
Rama09 [41]3 years ago
3 0

Answer:

Most scientists, including Darwin, thought each species was specially created by God in its present form and did not change over time.

Explanation:

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3 years ago
Koch's postulates are the established rules for determining that a specific pathogen causes a specific disease.
lukranit [14]

Answer: a. True

Explanation: These postulates were formulated by Robert Koch as a result of his experiments with healthy and infected mice. The postulates are often used to determine if a phatogen causes a disease. These are:

  1. The pathogen must be present in sick individuals but not in healthy ones.
  2. The pathogen must be isolated from individuals and cultivated in a pure culture.
  3. The pathogen cultivated must cause sickness when it's injected in suceptible inviduals.
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5 0
3 years ago
The existence of introns in mRNA-encoding genes seems to be a problem because so much cellular energy goes into splicing them ou
Svetllana [295]

Answer:

In normal conditions, introns serve following functions in the body of an organism:

1) They contain genes of miRNA which are known as Mirtrons, reverse transcriptase, endonucleases, transposase etc.

2) It is because of presence of introns that alternative splicing of mRNA is possible. The sex determination in drosophila is based on alternative splicing.

Apart from this, alternative splicing can be useful and beneficial in an unforeseen situation such as an environmental problem which is faced by the organism for the first time.

Explanation:

Alternative splicing is an important mechanism because with the help of alternative splicing different type of proteins can be synthesized from the same pre mRNA transcript. In case suddenly the surrounding environment of an organism is changed and the environmental conditions have become extremely harsh due to which organism's life is at stake, in such situation organism may make a different type of protein through alternative splicing which can help the organism in survival.  

Default splicing in Drosophila leads to the development of male off-spring while female off-spring is produced as a result of alternative splicing.  

8 0
3 years ago
18. Which of the following is a benefit of intensive farming?
babymother [125]

Answer:oh well it is is but when im sayin this right now its because i want free point like other people do and it useless because they wont stop even those robot who claims to everyone answer download but its a virus so what im sayin is just get free polnts your puttping many points for no reason and fine ill tell you the Answer its A and also dont waste so much point its not advertising its wasting point for other people who are lazy

Explanation: its A

5 0
3 years ago
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