Write down the importance of nitrogen for plants

Chemistry

2 answers:

abruzzese [7]3 years ago

7 0

Explanation:

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What is the importance of nitrogen for plants?

Nitrogen is an essential macronutrient for plant function and is a key component of amino acids, which form the building blocks of plant proteins and enzymes. Proteins make up the structural materials of all living matters and enzymes facilitate the vast array of biochemical reactions within a plant.

Dmitry [639]3 years ago

3 0

Answer:

Nitrogen is vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide(i.e.,photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die.

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Which statement best explains why cells separate and expel waste?

STatiana [176]

Answer:

I would say the 2nd one It helps growth and repair of cells of orgasms
But your school would probably say the 3rd one It helps remove toxins from the body to maintain homeostasis

Explanation:

2. Our cells produce a lot of waste that must be eliminated (excreted) from the body. These residues are called excreta. The residues formed from the chemical reactions that take place inside the cells can be eliminated through:

• of the respiratory system (carbon dioxide)

• skin (sweat)

urinary system (urine)

Our cells expel these substances to maintain the dynamic balance (homeostasis) of our body and promote our well-being.

4 0

3 years ago

BNCT relies on the initial targeting of tumor cells by an appropriate chemical compound tagged with 10 5B, which preferentially

zimovet [89]

Answer:

$^{10}B + ^{1}n_{th} \rightarrow ^{4}He + ^{7}Li + 2.79MeV$

Explanation:

BNCT therapy consists in the irradiation of the atoms of ¹⁰B that are contained in the tissue that has the tumor cells, with thermal neutrons to produce alpha particles and ⁷Li nucleus, according to the following nuclear reaction:

$^{10}_{5}B + ^{1}_{0}n_{th} \rightarrow ^{4}_{2}He + ^{7}_{3}Li + 2.79MeV$

<em>Since the tissues also contain H and N atoms, the neutron irradiation produces secondary reactions in which proton particles and gamma radiation are produced:</em>

$^{1}H + n_{th} \rightarrow ^{2}H + \gamma$