converting between units. 2) Complete the table below to show the corresponding value nanometres‚ micrometres and millimetres for the measurements given in each row. The first row has been completed for you. Ensure that your answers use the correct unit symbols. Nanometre Micrometre Millimetre 5 0.005 0.000005 1 1 1 3 7 0.5 3) When studying cells structure using a microscope the smallest unit of measurement commonly used to describe findings is the nanometre. Explain why.
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to determine what is right from wrong. In science‚ it’s a system of codes that describes what can and cannot be done by a scientist. When we talk about Henrietta Lacks cells‚ it’s a case of a sacrifice for the greater good. Although the cells were taken from her without her consent when she was receiving cancer treatments‚ those cells allowed for scientists to develop the first polio vaccines and test chemotherapy drugs. All of these things had a dramatic effect‚ as they were able to cure debilitating
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Minerals are important for maintaining homeostasis which essentially is a big part of what keeps us alive. Minerals are inorganic compounds（lack of carbon atom)‚ which are quite different from other nutrients. The reason is that carbohydrates‚ proteins‚ lipids‚ and vitamins are all organic compounds(contains carbon) . The structure of minerals is very simple‚ usually nothing more than a molecule‚ or molecules. Most of the minerals in a diet come from eating plants and animals or from drinking water
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Azia Brewster Mr. Middleton Period 1 Sleep plays an important role in our lives. From tiny insects to humongus grizzly bears‚ every living thing needs sleep. We need it to carry out our daily activities and to live a long and healthy life. Many people fail to realize that sleep is as equally important as breathing‚ and because of this their bodys are not functioning to their full potentials. Not getting the amount of sleep your body needs can lead to mental and physical health problems. Lack
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Mitosis Review 1. So why does cell division occur? Cell division occurs because an organisms such as plants‚ animals and such need to grow on a molecular level in order for them to continue thriving. For example‚ new cells are created with the intention of replacing old cells and tissues‚ with fresh and functioning ones... for most part. In humans and other organisms‚ organ cells‚ muscle cells‚ bone cells and such are constantly replace for growth and prolongation of proper function. Also‚ embryos
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Physiologically‚ cardiovascular endurance refers to the efficiency of your heart‚ lungs and vascular system’s delivery of oxygen-rich blood to your working muscles during activities that last longer than 90 seconds. Why is Cardiovascular Endurance Important? Cardiovascular endurance is very important because the more fit your cardiovascular systems becomes‚ the healthier your lungs‚ heart and vascular system will be. If you demonstrate high levels of cardiovascular endurance during exercise‚ you also have
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the safety and security for the correctional officer. Cell phone can cause a major security and safety issue for correctional officer. Cell phones can cause distractions for the correctional officer. If not properly supervising the inmates‚ the correction officer is jeopardizing the safety of other correctional officers and inmates. Cell phones carry an abundant amount of important‚ personal information. If an inmate was to obtain the cell phone all of the correctional officers personal information
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may be provided by a midwife‚ family practice health care provider or an obstetrical specialist. Prenatal care may include physical examinations‚ testing‚ treatments and education on nutrition‚ lifestyle and social support services. WHY IS PRENATAL CARE SO IMPORTANT? Early and consistent prenatal care increases the chance that you and your baby will remain healthy throughout your pregnancy. This type of care also decreases your a baby’s risk of being born too early‚ or being born smaller than expected
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When considering taking supplements‚ how often do we consider taking magnesium supplements? This mineral helps on the process of over 300 functions in our body‚ most important neurotransmitter and heart functions‚ and its consumption is essential for the regulation and development of these activities. The brain is one of the organs that benefit the most in taking magnesium supplements‚ magnesium activates ATP‚ a coenzyme that regulates your energy levels‚ making it a good complement to treat fatigue
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can have a huge impact on the communication between cells. Cell communication is a crucial process necessary for cells to carry out various functions. Drugs such as Methylenedioxymethamphetamine (MDMA)‚ known as ecstasy‚ can create barriers or confusion to cells. Cell to cell communication carry messages from signaling cells to target cells. Usually a cell will bind with a target cell through a receptor protein in the plasma membrane of the target cell
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