May i know what is it for?
A vitamin requirement depends on the person's protein status because vitamins cannot be transported through different parts of the body if there’s no enough protein that synthesizes retinol-binding proteins. Further, our body’s need of B vitamins are actually dependent on the level of proteins suppled in our diet.
The living parts of an ecosystem, called biotic factors, are all the organisms that live in the area. The nonliving parts, called abiotic factors, are the nonliving things in the area. All the living things together in an ecosystem form a community.
If a car stops suddenly, why do the people inside keep moving?
Answer: The vehicle with its passengers has a movement with a speed. When the brakes are applied and the vehicle suddenly stops, the passengers have a tendency to conserve their speed due to inertia and therefore continue to move forward.
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Answer:All living things are made of the same basic building blocks, cells. A human is made of 65 trillion cells. Cells are everywhere, on you skin, in your blood, and even on your tongue. In fact, your blood is clear but red blood cells are what make your blood red. Most living things are made up of many cells but some are made of only one cell, like amebas, paramecium, fungi, protists, monerans, and bacteria.
There are two basic types of cells, animal cells and plant cells. They have some common parts found in both and other parts that are unique to each. A cell membrane is found in both plant and animal cells. It is the structure that surrounds the cell and protects it. Plant cells have a cell wall, a rigid structure surrounding the cell membrane. Animal cells do not have a cell wall. Cytoplasm is the thick, jelly-like substance that makes up most of the cell. Vacuoles are fluid filled sacs in the cell. The vacuoles contain stored water or food that will be used by the cell. Cells also contain other "small organs" called organelles that carryout various cell functions. And then there is the control center of the cell, the nucleus, surrounded by a protective outer covering call the nuclear membrane. The nucleus contains the DNA, or chromosomes, that carries all the instructions on how a cell will function, live, and reproduce.
Every cell needs to energy to live and reproduce. Plant and animal cells obtain energy in different ways. Animals can not make their own food. They obtain energy by taking in food, water, and oxygen and converting it to sugar. Sugar is the only food a cell can eat. Plant cells can make their own food from water and sunlight. This process is called photosynthesis. Both plant and animal cells use energy from the food they obtain to reproduce.
All living things produce more living things. Cell reproduction is called mitosis.
Explanation: