This was because one cannot view a single strain of DNA as it is too small for one to visually comprehend.
Answer:
A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.
Explanation:
<span>Dr. Carl Simonton is introducing art therapy used for Post traumatic stress disorder patient with psychological problems.
Art therapy is a form of expressive therapy that uses the creative process of making art to improve a person’s physical, mental, and emotional well-being.
Art therapy stands in contrast with other kinds of creative or expressive arts therapies that use dance, music or drama. ... However, the potential healing power of art therapy has not been thoroughly studied in certain patients, such as trauma victims with disorders such as PTSD. Post traumatic stress disorder</span>
Answer:
While plant cells have chloroplasts to photosynthesize, they also require ATP for cellular functions, and do use oxygen to break down some of the sugar they produce in order to generate that ATP. They need mitochondria for this.
In particular, at night when there is no light, plants undergo cellular respiration since there is no sunlight to photosynthesize.
They do, however, produce far more sugar and oxygen through photosynthesis than they use up in respiration.