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boyakko [2]
3 years ago
9

How can fossils help us understand the Earth's history?

Biology
1 answer:
qaws [65]3 years ago
5 0

Answer: By studying fossils, we can tell how long someone has been on the earth for.

Explanation: We can easily learn where they lived, how they lived, and their past.

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Describe the construction of a recombinant plasmid containing the gene for the green fluorescent protein (GFP) and the insertion
valkas [14]

Answer:

-use PCR to amplify the gene for GFP

-perform a restriction digestion of the GFP gene and the plasmid

-ligate together the GFP gene and the plasmid to generate a recombinant plasmid

-transform bacteria with the recombinant plasmid using electroporation

-plate the bacterial cells, and screen for positive transformants

6 0
3 years ago
An increase in a predator population will directly result in
sashaice [31]
An increase in a predator population will directly result in THE DECREASE IN THE PREY POPULATION.

Predation is a biological interaction where one organism feed over another organism and the other organism is harmed. The organism benefited is called predator while the one harmed is called prey. Predator is generally bigger in size than the prey. If the population of predator is increasing it will lead to the decrease in the population of prey as more predators will feed on the prey.
4 0
3 years ago
Read 2 more answers
What type of mutation occurred between gene A and gene B? Silent mutation or missense?!!!!!!
ivanzaharov [21]

Answer:

missense

Explanation:

missense: alteration of one or more codons so that different amino acids are determined

silent mutation: mutations in DNA that do not have an observable effect on the organism's phenotype

4 0
2 years ago
Why arent algae and plants in the same kingdom?
kondaur [170]
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Algae and plants may look similar and belong to the same Eukarya domain, they don't belong to the same kingdom because they are simply different in many ways including in their behavior, structure and habitat. In totality, they differ in more ways than they are alike.

Plants are in the Kingdom Plantae, while Algae are in the Protista kingdom. Plants are multicellular, while most Algae are single-celled, although some can be multi-cellular. 




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4 0
3 years ago
Why did medicine have a domestic— rather than professional—character in the preindustrial era? How did urbanization change that?
timofeeve [1]

Explanation:

1) Medical Practice was in confusion- Everyone could exercise lacking constraint or drill

2) Medical measures were original- no practical knowledge

3) Mislaid institutional principal- no extensive growth of hospitals

4) Request was unbalanced- least claim due to self-sufficiency (family folk-remedies), economic circumstances (opportunity cost of transportation), and purchase costs (fee for service)

5) Medical education was substandard-apprenticeship, unhindered access, and lacking in science based exercise

Urbanization increased dependence on particular skills of remunerated professionals because..

a. Separated people from families and neighborhoods’- no more home-based medicines

b. Women started working outdoor- no longer thoughtful for the sick

c. Physicians became less expensive and more reachable- telephones, cars,  roads reduced opp. cost of time and travel- more reasonable

d. Better topographical closeness of patients and physicians

7 0
3 years ago
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