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2 years ago

Which statement describes one or both formations?

Biology

2 answers:

Rainbow [258]2 years ago

7 0

Answer: D

Formations 1 and 2 are igneous rock.

Explanation:

I took the test on Edge2020

nirvana33 [79]2 years ago

5 0

Answer: Formation 1

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Analyze the data about nitrogenous base content of DNA from various species. Percentages of Bases in Five Organisms Source of DN

Troyanec [42]

Answer:

When analyzing data on the nitrogenous base content of the DNA of various species, the claims are supported by the data:

In any one species, the amount of adenine closely approximates that of thymine.
In any one species, the amount of guanine closely approximates that of cytosine.
The amounts of A, T, G, and C in DNA varies from species to species.

(options A, B and D)

Explanation:

Organizing the data has to:

Source of DNA A T G C

Streptococcus 29.8 31.6 20.5 18.0

Yeast 31.3 32.9 18.7 17.1

Herring 27.8 27.5 22.2 22.6

Human 30.9 29.4 19.9 19.8

E. Coli 24.7 23.6 26.0 25.7

DNA is the molecule that contains the genetic information of each species, formed by sequences of nitrogenous bases Adenine, Thymine, Cytosine and Guanine.

Since Adenine and Thymine -as well as Cytosine and Guanina- are complementary, the percentage of them will be very similar in each DNA molecule.

The genetic information -which determines the physical and functional characteristics of each organism- is encoded in the DNA and is different for each species, so the percentages of nitrogenous bases vary from species to species.

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3 years ago

What is the biological advantage of operons to bacteria?

TEA [102]

The correct answer is option C, that is, the Operons afford the organism the opportunity to simultaneously monitor the transcription of multiple genes, whose products are active in the same process.

The genes, which correspond to a particular metabolic procedure are usually under the control of a single promoter in a bacteria. This is known as Operon that assists in monitoring the expression of genes taking part in the similar metabolic procedure.

3 0

3 years ago

What is the main difference between herbaceous monocot and herbaceous dicot stems?

pishuonlain [190]

Herbaceous mano it has vascular bundles arranged in a ring around the pit and herbaceous dicot stems has a vascular cambium between xylem and phloem

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3 years ago

Which statement is the most accurate outcome criteria for the nurse to use when determining if a patient is responding appropria

BabaBlast [244]

Answer:

The statement that will show the best accurate criteria is patient's respiratory rate is 16 breaths/minute and blood pressure is 130/72 mm Hg.

Explanation:

Adrenergic drugs are drugs that cause the stimulation of the sympathetic nervous system, which is also known as adrenergic nervous system by performing or mimicking the activities of the epinephrine and norepinephrine, or interfering with their release.

It should be noted that, epinephrine and norepinephrine are also known as adrenaline and noradrenaline, this is because they are secreted by the adrenal gland, and this gives rise to the term adrenergic.

Examples of adrenergic drugs are phenylephrine, clonidine and oxymetazolin among others.

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3 years ago

Both sound and water waves require a to travel. This means they are

Mekhanik [1.2K]

Answer:

mechanical waves

Explanation:

They require a medium to travel through.

7 0

3 years ago

Read 2 more answers