Mitochondria are found in the eukaryotic cell but aren’t found in the prokaryotic cell

Geneticists analyze pattern of inheritance so they can localize genes to specific chromosome.

Because the mature cells of the immune system have a limited life span, they must be replaced continuously by new ones arise from immature precursor cells in the bone marrow.

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Diffusion is the natural process that molecules flow from an area of higher concentration to an area of lower concentration.

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Một trong các chức năng chính của axít nuclêic là mang tất cả thông tin di truyền của mọi sinh vật trên trái đất.

One of the main functions of nucleic acids is carrying genetic information of all organisms on the earth.

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Lướt nội chất cuộn gấp và vận chuyển một số protein nhất định.

The endoplasmic reticulum folds and transports certain proteins

A cell is placed in a bath of water that has a much higher salt concentration than the concentration inside the cell so water will rush out of the cell

Respiration is a cellular process that cells convert the energy available in food to ATP.

Enzyme DNA polymerase and enzyme RNA polymerase are used in the construction of nucleic acids.

Sometimes more than one gene influences a trait and environmental conditions (such as nutrient and temperature) exert an effect.

In 1972, Paul Berg isolated and used a restriction enzyme to cut the DNA. He used Ligaza to connect the two DNA strands together to create a hybrid circular molecules. This was the first recombinant DNA molecule.

1.        Trong những năm gần đây, diện tích chiếm bởi các hệ sinh thái cực đoan đã tăng lên.

In recent years, the area occupied by extreme ecosystems has increased