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Ivahew [28]
3 years ago
7

Inserting a gene from the hepatitis b virus into yeast so that the yeast produces a viral protein is an example of

Biology
1 answer:
Elodia [21]3 years ago
5 0
Genetic engineering - transformation
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Please help!!! I will mark you the BRAINLIEST
Dahasolnce [82]

Answer:

Molecules stop moving at freezing point. Helium has the lowest boiling point. The molecules move very quickly at boiling point.

Explanation:

Heating up- molecules move faster. Cooling down- molecules move slower

7 0
3 years ago
Describe 2 homologies (structures that were shared from a common ancestor) between the Zeuglodon and the Orca.
Elden [556K]

Answer:

Homologous structures can be described structures which originate in different organisms from a common ancestor and may or may not have the same functions.

Zeuglodons can be described as ancient whales and Orca is a common whale today known as the killer whale.

<u><em>Scientific studies show that Zeuglodans and Orca have many structures in common such as:</em></u>

  • <u><em>Having teeth with two roots</em></u>
  • <u><em>The presence of nostrils</em></u>
  • <u><em>Pelvis and internal femur bones</em></u>

5 0
3 years ago
Examine the leaves of a palm tree.
Rom4ik [11]

Answer:

Examine the leaves of a palm tree. Which statement most specifically describes a palm tree?

Palm trees are monocots.

Palm trees are angiosperms.

Palm trees are flowering plants.

Explanation:

Those three features best describes a palm tree, they are angiosperms because they produces seeds and flowers

4 0
3 years ago
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Evolution can be guided by random processes. What is the effect called when some genotypes are lost in a small population over t
soldi70 [24.7K]

Answer:

Genetic drift

Explanation:

Genetic drift is defined as the random change in allelic frequencies from one generation to the other.

Genetic drift is an evolutionary mechanism in which the allelic frequencies in a population change through many generations. Its effects are harder in a small-sized population, meaning that this effect is inversely proportional to the population size. Genetic drift results in some alleles loss, even those that are beneficial for the population, and the fixation of some other alleles by an increase in their frequencies. The final consequence is to <u>randomly</u> fixate one of the alleles. Low-frequency alleles are the most likely to be lost. Genetic drift results in a loss of genetic variability within a population.  

Genetic drift has important effects on a population when this last one reduces its size dramatically because of a disaster -bottleneck effect- or because of a population split -founder effect-.

5 0
3 years ago
40. How is the biodiversity of an ecosystem measured?
Slav-nsk [51]

Answer:

i hope this helps

Explanation:

3 0
3 years ago
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