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IgorLugansk [536]
3 years ago
6

A is a organism whose nucluleuse is surrounded by membrane

Biology
1 answer:
Hoochie [10]3 years ago
7 0
All eukaryotic organisms have cells with a nucleus surrounded my a membrane.  
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Un laboratorio que produce una fórmula para matar piojos recibió muchas quejas de parte de sus
Rom4ik [11]

Answer:

Es probable que a través del tiempo la población de piojos también se vuelva resistente al segundo pijojicida. Los piojos resistentes se generan por un proceso de selección natural  

Explanation:

La evolución es el proceso mediante el cual los organismos cambian (evolucionan) con el tiempo con el fin de adaptarse a sus condiciones ambientales. La selección natural opera seleccionando aquellos individuos mejor adaptados al ambiente en el cual cada individuo se desarrolla. Los individuos adaptativamente superiores poseen más chances de sobrevivir y de reproducirse, trasmitiendo de este modo sus genes a la descendencia. Las mutaciones representan la fuente principal de variabilidad genética en la forma de nuevos alelos y genes. Las mutaciones que son beneficiosas y confieren una ventaja adaptativa son seleccionadas por selección natural. En este caso, la resistencia al primer piojicida se debió a la aparición de una o más mutaciones las cuales confirieron resistencia al primer compuesto. Con el tiempo, la frecuencia de los individuos portadores de mutaciones beneficiosas en la población de piojos fue incrementándose paulatinamente (como resultado del proceso de selección natural). Es muy probable que este proceso evolutivo también se repita con el segundo piojicida.

4 0
3 years ago
Pls help!! ill give brainlest !!
Sever21 [200]

Answer:

meiosis

Explanation:

meiosis occurs first in the sex gametes while mitosis occurs later in growing cell

3 0
3 years ago
Read 2 more answers
What structure stores and concentrates bile to aid in the digestion of fats?
True [87]
I'm not sure but I know that the liver produces bile. The liver stores sugars but removes others and secretes the bile into the small intestine.
4 0
3 years ago
it requires 12 hours to fill 3/5 of a swimming pool at this rate how many hours is required to fill the remainder pool
emmasim [6.3K]
So if you take the 12 hours that it takes to fill the swimming pool 3/5 way then u divide 12 by 3 and you would get 4 which would mean each quarter took 4 hours then it would take 8 more hours to fill the rest of the swimming pool
6 0
4 years ago
In intramembranous ossification, newly formed bone that is immature and not well organized is called ______.
OleMash [197]

Answer:

Woven bone.

Explanation:

In intramembranous ossification, newly formed bone that is immature and not well organized is called woven bone. Osteoblasts are the type of cells that is responsible for the formation of new bone. These osteoblasts also come from the bone marrow and are related to structural cells. They have only one nucleus. The process of bone formation is called osteogenesis whereas there are three stages of bone development i.e. proliferation, maturation of matrix, and mineralization.

4 0
3 years ago
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