<span>The discoverers of DNA were not James
D Watson and Francis Crick. They are the first scientist to formulate an
accurate description of the DNA’s (deoxyribonucleic acid) complex ,
double-helical structure. They discovered that base pairing nucleotides must
be; adenine and thymine; and cytosine and guanine. These base pairs are held
together by a hydrogen bond, atype of chemical reaction that s easy to break
and easy to reform. The statement is “DNA
is a double helix made of two strands linked together with hydrogen
bonds.”</span>
They surround and engulf foreign objects and organisms- process called phagocytosis
The answer to your question would be space. The sun's light travles through space. but if you clap, you can't hear it.
Answer:
In eukaryotic cells you find core and proximal promoters.
Promotors are specific DNA sequences where transcription factors (proteins) and RNA polymerase binds to initiate transcription. Promotors are located upstream the coding sequence
Core promoters are where RNA polymersae binds and proximal promoters are where transcription factors bind.
Enhancer elements are DNA sequences where transcription factors (proteins) bind to increase the rate of expresion of an specific gene. Enhancers can be located either upstream, downstream or thousands of nucleotids away from the of the coding region.
Explanation:
Promoters and enhancer are key elements for controling gene regulation. Transcription begins when chromatin rearranges from a condensed state to a accesible state, this allow to transcrition factors and RNA polymerase to bind specif DNA sequences (promotors). Proteins bind to enhancers , this complex develops a DNA loop, so that the protein that is bound to the enhancer interacts with the RNA polymersase. When this interaction is made, the activity of the RNA polymerase is increased.
Deficient Fluid Volume is the nursing diagnosis that is most likely to apply to a patient who has a dysfunction of the posterior lobe of the pituitary gland.
The posterior pituitary produces ADH; disruptions in the levels of ADH upset the body's normal fluid balance. The hormones produced by the posterior pituitary do not directly affect immune function, tissue perfusion, or body temp.
Deficient fluid volume, or hypovolemia, results from a loss of body fluid or fluid shift, causing the fluid output to surpass fluid intake. In this process (acute or chronic), the body loses fluid volume and electrolytes. The source for this condition can be gastrointestinal, renal, or even metabolic.
Symptoms:
- Expresses feeling thirsty
- Verbalizes feelings of weakness
- States feeling dizzy/lightheaded, especially when changing position
- Complains about an inability to focus
- Complains of headaches
- Describes feeling of fast heartbeat
Learn more about Deficient Fluid Volume here : brainly.com/question/27960784
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