What technological tools allow scientists to study bacteria?

Biology

2 answers:

Ivenika [448]2 years ago

4 0

Answer:

Microscopes allow scientists to study bacteria :)

ELEN [110]2 years ago

4 0

Microscope allows scientists to study bacteria

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The theory of continental drift says that the Earth's continents were once one giant supercontinent but have drifted apart over

Natali5045456 [20]

Hey there!
The answer is B, Pangaea. This was the name for the large continent that supposedly existed before we had all of our separate continents today (all of which were part of Pangaea).
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3 years ago

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Which of the following statements best describes a benefit of sexual reproduction?

Ivan

Among the listed options, we can conclude that option C which states that "It results in the diversity of the species that enhances the probability of survival." is correct.

Sexual reproduction offers organisms an advantage over those who undergo Asexual reproduction. Though there are benefits and drawbacks to each method, Sexual reproduction is a method that is better adapted to a changing environment and promotes the faster evolution of a species.

The main benefit of sexual reproduction is that it allows for a greater diversity of the species which enhances the probability of survival. This is due to the fact that sexual reproduction leads to varying combinations of alleles for specific traits, which coupled with selective reproduction (the ability of a member of the species to choose a spouse with desirable traits) leads to offspring who over time are increasingly better adapted to life in the given environment, with specific traits tailored for survival.

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2 years ago

What might happen to the Earth if human increase the amount of greenhouse gasses?

KonstantinChe [14]

Answer:

Global warming will occur

Explanation:

Greenhouse gases are special gaseous compounds that have this ability to trap HEAT due to their structural composition. They include; carbon dioxide (CO2), chlorofluorocarbons (CFC), methane (CH4) etc.

Anthropogenic activities such as burning of fossil fuels etc. release these gases into the atmosphere where they cause harm to the Earth. Greenhouse gases contribute immensely to the GLOBAL WARMING EFFECT, which is the increase in the temperature of the Earth surface. Therefore, if humans increase the amount of greenhouse gases in the atmosphere via their actions, there will be a GLOBAL WARMING occurrence.

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2 years ago

After using a chemical mutagen to generate mutations in a dna sequence, scientists noted a mutation from c to t at the 10th posi

Luda [366]

Answer:

substitution, missense mutation, and transition

Explanation:

A mutation is any change in the genetic information of an organism. A substitution is a point mutation by which a single nucleotide base pair is replaced by a different nucleotide. Moreover, a missense mutation is a point mutation that results in the incorporation of a different amino acid in the polypeptide chain since this mutation generates a new codon which codes for a different amino acid. Finally, a transition is a point mutation where a purine (either Adenine or Guanine) is changed to another purine, or a pyrimidine (either Thymine or Cytosine) is changed to another pyrimidine (in this case, Cytosine is changed to Thymine).

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2 years ago

seraphim [82]

Answer:

o think this question is asked two times right

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2 years ago