As all school-children learn, cells divide using a process called mitosis, which consists of a number of phases during which duplicate copies of the cell's DNA-containing chromosomes are pulled apart and separated into two distinct cells. Losing or gaining chromosomes during this process can lead...
B。中文解析:文章中明确提到 Stem cells are unique cells that have the ability to differentiate into various types of cells in the body. This property makes them extremely valuable for medical research.(干细胞是独特的细胞,具有分化成身体内各种类型细胞的能力。这种特性使它们对医学研究极其有价值。)反馈...
Every living organism is made out of fundamental building blocks known as cells. In multicellular organisms, many cells have the ability to become specialized for certain function, and epithelial cells are one example. Answer and Explanation:1 Epithelial cells are the types of cells that make up ...
I was told not to work too hard. He slowed or makes mistakes in spelling. Don't make such a loud noise. Try not to eat too much at the party. It was his first day working here. They will help me find a good job. I don't think my husband would leave me. Give me a public ...
Folate.Helps cells divide. Iron.Buildsblood cells, and helps thebraindevelop.Breast-fed babies should receiveiron supplements. Protein and carbohydrates.They provide energy and fuel growth. Zinc. Helps the cells grow and repair themselves Your baby also needsvitaminssuch as: ...
The cell cycle is the process where the cell grows and the nucleus and the contents within in divide forming two daughter cells. We often refer to...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can an...
1.WhatmakesRomaniadifferentfromtheother places? A.Nicehostels. B.Deliciousfood. C.Less-visitedtowns. D.Cheaptransportation. 2.Whatmaytheauthorrecommendfortravelling inSouthAfrica? A.Driveyourowncars. B.Cookyourownlunches. C.Stayinexcellenthotels. D.Finduniquetravelpartners. 3.Whatfeaturedothefourdestin...
another to tangle them. This is like dripping superglue on a ball of yarn; it binds the DNA into a useless. The initial side effects of soxorubicin, in the few days after trearment, are nausea, vomiting, and diarrhea--which makes sense, since the drug kills cells in the digestive ...
Two chemical molecules (分子) on the red blood cells make people's blood different. Scientists mark one molecule "A" and the other molecule "B". According to which and how many molecules are on the red cell scientists divide blood into four types: A B AB and O. Your blood type will...
Cellular senescence is a state of stable cell cycle arrest. Cells remain metabolically active, but no longer divide or respond to growth-promoting stimuli.