C: capillaries are the smallest blood vessels that allow exchange of gases and nutrients.
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Answer and Explanation:
ha incrementado la importancia de la ecología por los cambios que han ocurrido a través de el plante, en nuestra época más que nada se necesita proteger el planeta antes de que sea demasiado tarde.
Answer
primary function of cell membrane is protecting organelles because cell membrane acts as a physical barrier allowing a very few molecules across it while fencing the majority of chemicals inside cell in this way it maintains the internal composition of cell and protect the organelles from the attack of bacteria and viruses
Explanation:
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Answer:
1. Meiosis 1.
2. Meiosis 2.
3. End.
4A. The chromosome theory of inheritance states that chromosomes are the main carriers of the genetic factors responsible for inheritance.
B. Body cells have two sets of chromosomes while sex cells have one set. Therefore, when two sex cells meet, they form an embryo with two copies of each chromosomes thereby producing a body cell with the exact number of chromosomes. In essence, meiosis maintains the right number of chromosomes of body cells by creating half the number of chromosomes of sex cells.
C. Meiosis.
Explanation:
<span>synthesis in rough endoplasmic reticulum
packed, processed in golgi apparatus and exported in vesicles via exocytosis</span>