Biology, 25.04.2020 01:42 gerardogonzale2294
Nitrogen is an important element in compound such as , DNA, & chlorophyll. Nitrogen is the most gas in the atmosphere. It cycles from the to & back to . But living things cannot use it in its gas form, therefore living things get from the . 1. Living organisms cannot use simple nitrogen molecules (NH2). 2. Living things take it in as a nitrate (NO3-). 3. Nitrate is formed when nitrogen is combined with oxygen. This process is called nitrogen .
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Biology, 22.06.2019 09:00
Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?
Answers: 1
Biology, 22.06.2019 21:00
Match each description with the correct form of energy. 1. energy of an object's position above the ground. 2. stored in the bonds of atoms and molecules 3. stored in the nucleus of an atom 4. energy of vibrating molecules 5. movement of objects used to do work 6. created by vibrations in electric and magnetic fields chemical energy mechanical energy heat gravitational energy light nuclear energy
Answers: 1
Biology, 23.06.2019 01:00
In 1994, telomerase activity was discovered in human cancer cell lines. although telomerase activity is rarely present in human somatic tissue, this discovery indicated that humans do contain the genes for telomerase proteins and telomerase rna. since inappropriate activation of telomerase may contribute to cancer, why do you think the genes coding for this enzyme have been maintained in the human genome throughout evolution?
Answers: 1
Nitrogen is an important element in compound such as , DNA, & chlorophyll. Nitrogen is the mos...
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