Answer:
Student who might want to become cheerleader
Explanation:
<span>- genetic drift
</span>Which mechanism affected the gene pool of the immigrants that entered the United States through Ellis Island?
NOT:
- gene flow
- gene mutation
<span>- natural selection</span>
Answer: Option B
Explanation:
Myofibrils are very fine contractile fibers which extends in parallel to the columns along the length of the striated muscles fibres.
They are made of thick and thin myofilaments because of which the muscles appear striped.
The thick filaments in the muscles are composed of actin along with two other muscle protein known as tropomyosin and troponin. They help in contraction of muscles.
Answer:
Hay tres clases principales de moléculas de lípidos de membrana: fosfolípidos, colesterol y glicolípidos. Las composiciones de lípidos de las monocapas internas y externas son diferentes, lo que refleja las diferentes funciones de las dos caras de una membrana celular.
Explanation:
