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Blizzard [7]
2 years ago
14

Help me please!!!!!!!

Biology
1 answer:
kirza4 [7]2 years ago
4 0

Answer:

D and D i think both are D not 100 percent sure though.

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What is free nitrogen?
UNO [17]

Answer:

Nitrogen thet cannot be used by organisms. C.

Explanation:

Free nitrogen is simply molecular nitrogen (N2). Nitrogen, in its molecular form, consists of two nitrogen atoms bound together with a tripple bond. Because it is very stable, N2 is typically nonreactive, and takes a lot of energy to break them apart. Among these are the amino acids necessary for life to begin and which are the building blocks DNA is made from. Basically, any nitrogen that is in an organic compound is considered “fixed” nitrogen and N2 is considered to be “free” nitrogen

5 0
3 years ago
Read 2 more answers
Which is not considered to be an enhancer to transcription in the metallothionein 2a gene?
alisha [4.7K]

PZ120 is not considered to be an enhancer to transcription in the metallothionein 2a gene.

<h3>About metallothionein 2A.</h3>

Metallothionein-2 is a metallothionein protein that in humans is encoded by the MT2A gene.

In human it is expressed in;

  • pericardium
  • right lobe of liver
  • olfactory bulb
  • left uterine tube
  • external globus pallidus
  • right lobe of thyroid gland
  • upper lobe of left lung
  • Region I of hippocampus proper
  • right lung
  • left lobe of thyroid gland

It's molecular function are;

  • Protein ion binding
  • Zinc ion binding
  • Metal ion binding

It helps in various biological processes;

  • response to metal ion
  • cellular response to interleukin-3
  • cellular response to erythropoietin
  • negative regulation of growth
  • cellular response to zinc ion
  • interferon-gamma-mediated signaling pathway
  • cellular copper ion homeostasis
  • cellular zinc ion homeostasis
  • detoxification of copper ion
  • cellular response to cadmium ion
  • cellular response to copper ion
  • nitric oxide mediated signal transduction
  • response to bacterium

To learn more about Metallothionein 2a,

brainly.com/question/13962194

#SPJ4

7 0
1 year ago
Explain the energy transformation that occurs when a person exercises. (4 points) Magnetic energy transforms into mechanical ene
jenyasd209 [6]

Answer:

Mechanical to Thermal

Explanation:

When you exercise, you are using mechanical energy to get your body moving. When you start sweating, your body is heating up, so it is thermal energy.

5 0
3 years ago
Chargaff's rules of DNA structure states that
nikklg [1K]
What is the question?
3 0
3 years ago
Which of the following statements is true about Mendel?
Illusion [34]

Answer: A

Explanation:

His discoveries concerning genetic inheritance were generally accepted by the scientific community when he published them during the mid 19th century. He believed that genetic traits of parents will usually blend in their children. His ideas about genetics apply equally to plants and animals.

5 0
2 years ago
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