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vagabundo [1.1K]
3 years ago
9

What features do all cells have?

Biology
1 answer:
wariber [46]3 years ago
6 0
All cells have a nucleus in the middle of it (Hope that helps)
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People that are lactose intolerant their body does not produce enough of the enzyme lactase
podryga [215]
False Because milk contains lactose; lactose intolerant people lack the lactase enzyme which hydrolyses lactose into glucose and galactose, meaning that they suffer a variety of symptoms.
5 0
3 years ago
Identify how scientists used the scientific method to test this phenomenon.
Y_Kistochka [10]

Answer:

When conducting research, scientists use the scientific method to collect

measurable, empirical evidence in an experiment related to a hypothesis (often in

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5 0
3 years ago
I need help on this question in biology and biology is hard and confusing
Yuliya22 [10]

Answer:

b. the new species must be unable to breed with the original species.

Explanation:

By definition, species are defined as groups of similar organisms that can live and breed freely. This means that individuals in that species can interbreed and produce viable, fertile offspring. However, two different species cannot interbreed to produce fertile offspring due to biological barriers known as mechanisms of reproduction isolation.

These barriers are broadly classified as pre and postzygotic. Prezygotic barriers include the following:

  1. Habitat isolation: Two species occupy entirely different and distant habitats.
  2. Temporal isolation: Two species  procreate at different times of the year.
  3. Behavioral isolation: Two species exhibit different mating behaviors.
  4. Gametic isolation: The gametes of the two species cannot fertilize.
  5. Mechanical isolation

Speciation, the production of an entirely new species, requires a maintenance of genetic diversity. Therefore, the new and original species cannot interbreed as this would limit the gene pool and decrease genetic variations.

4 0
3 years ago
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Tac cta gcc agt cgg insert a t after the first c
tatuchka [14]

im not sure what you mean by insert a t after the first c, but translated this would be AUG GAU CGG

Hope this helps!

8 0
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The maximum height of the largest peaks in the Himalayan mountain range exceeds 8000 meters, while the highest mountain peaks of
scZoUnD [109]

Answer: A, D

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