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Natalija [7]
3 years ago
5

Differences between prokaryotic and eukaryotic promoters?

Biology
1 answer:
ivann1987 [24]3 years ago
6 0
Prokaryotes<span> only contain three different </span>promoter<span> elements: -10, -35 </span>promoters<span>, and upstream elements. ... Another main </span>difference between<span> the two is that transcription and translation occurs simultaneously in </span>prokaryotes<span> and in </span>eukaryotes<span> the RNA is first transcribed in the nucleus and then translated in the cytoplasm.</span>
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Some members of the Euglenids are photosynthetic, yet they will lose their photosynthetic pigment if left in the dark. True or F
irga5000 [103]

A) Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE

B )The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

<h3>What are Euglenas</h3>

Euglenas are unicellular organisms belonging to the kingdom Protista, when kept in the dark for too long Euglenoids begin to lose their chlorophyll. As it loses its chlorophyll it becomes unable to produce its own food and starts consuming bacterias within its habitat.

The loss of chlorophyll in Euglenids can be regained after it is been exposed to sunlight and allowed  to grow exponentially for several weeks.

Hence we can conclude that  Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE  while The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

Learn more about Euglenoids : brainly.com/question/1278307

8 0
2 years ago
What are the differences between mitosis and meiosis in human cells? Pay particular attention to the types of cells, number of d
Nezavi [6.7K]
Mitosis Involves one cell division? Results in two daughter cells Results in diploid? daughter cells? (chromosome? number remains the same as parent cell) Daughter cells are genetically identical Occurs in all organisms except viruses Creates all body cells (somatic?) apart from the germ cells? (eggs and sperm) Prophase is much shorter No recombination/crossing over occurs in prophase. In metaphase individual chromosomes (pairs of chromatids) line up along the equator. During anaphase the sister chromatids are separated to opposite poles. Meiosis Involves two successive cell divisions Results in four daughter cells Results in haploid? daughter cells (chromosome number is halved from the parent cell) Daughter cells are genetically different Occurs only in animals, plants and fungi Creates germ cells (eggs and sperm) only Prophase I takes much longer Involves recombination/crossing over of chromosomes in prophase I In metaphase I pairs of chromosomes line up along the equator. During anaphase I the sister chromatids move together to the same pole. During anaphase II the sister chromatids are separated to opposite poles. Similarities Mitosis Diploid parent cell Consists of interphase, prophase, metaphase, anaphase and telophase In metaphase individual chromosomes (pairs of chromatids) line up along the equator. During anaphase the sister chromatids are separated to opposite poles. Ends with cytokinesis. Meiosis Diploid parent cell Consists of interphase, prophase, metaphase, anaphase and telophase (but twice!) In metaphase II individual chromosomes (pairs of chromatids) line up along the equator. During anaphase II the sister chromatids are separated to opposite poles. Ends with cytokinesis.
8 0
2 years ago
Differentiate between the parts of an atom?
BigorU [14]

Answer:

A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons.

Explanation:

An element is a substance that is made entirely from one type of atom. ... A compound is a substance made from two or more different elements that have been chemically joined.

5 0
2 years ago
What dose the term equine mean
Nookie1986 [14]

Answer:

Equine is a horse or a member of the horse family ; relating to a horse

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How can the condition of nature be known?
soldi70 [24.7K]

The state of nature, for Rousseau, is a morally neutral and peaceful condition in which (mainly) solitary individuals act according to their basic urges (for instance, hunger) as well as their natural desire for self-preservation.

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