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Mademuasel [1]
3 years ago
9

I need help with this one

Biology
2 answers:
NemiM [27]3 years ago
8 0

Answer:

B. III and IV

Keith_Richards [23]3 years ago
8 0

Answer:

b the answer would be b.

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Need help with this smart people only pls
r-ruslan [8.4K]

Answer:

The answers you have chosen are/should correct

Explanation:

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3 years ago
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the nontemplate strand of a portion of a gene reads 5'ACTGGTTCA. What will the sequence of the resulting transcript for this por
konstantin123 [22]

Answer:

DNA template sequence:  

5' TGACCAAGT 3'

RNA antisense sequence: 3' UGACCAAGU 5'

>>> RNA sense sequence (transcript) : UGAACCAGU

Explanation:

In the DNA molecule, four types of nitrogenous bases are found: cytosine (C), and guanine (G), adenine (A) and thymine (T). In DNA the bases pair up with each other in the following ways: A pairs with T by two hydrogen bonds, while C pairs with G by three hydrogen bonds. In RNA (i.e., transcript sequence), T is replaced by uracil (U). Moreover, the RNA nucleotide sequence is read in the direction 5' to 3'.

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3 years ago
"blood vessels visible in the posterior view" of the heart include the
OlgaM077 [116]
Blood vessels visible in the posterior view of the heart include the Superior and inferior vena cava and the pulmonary veins. The superior vena cava and the inferior vena cava drain systemic venous blood into the posterior wall of the right atrium. The pulmonary veins transport blood from the lungs back to the heart and are best seen in posterior view of the heart. Other features visible in the posterior view include, right and left atrium, right and left ventricle, aorta, aortic arch, pulmonary veins and arteries, coronary sinus, coronary artery and posterior interventricular artery.
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3 years ago
Explain the effect salinity and temperature have on water density.
hichkok12 [17]
Increasing salinity<span> also increases the </span>density<span> of sea </span>water<span>. Less dense </span>water<span> floats on top of more dense </span>water<span>. Given two layers of </span>water<span> with the same </span>salinity<span>, the warmer </span>water<span> will float on top of the colder </span>water<span>. ... </span>Temperature<span> has a greater </span>effect<span> on the </span>density<span> of </span>water<span> than </span>salinity<span> does</span>
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3 years ago
Two bacterial strains have the same genes for metabolizing carbohydrates, but one is wild-type for a regulatory inducer while th
klemol [59]

Answer:

b. The two bacterial strains have different phenotypes.

Explanation:

In genetics, the trait that is expressed is often referred to as the dominant trait and it can also be expresssed phenotypically.

Since one of the bacteria produces the inducer, it therefore means that bacteria has the dominant strain for the regulatory inducer while the other bacteria might have the strain but since it is not expressed phenotypically, it is as a result not dominant.

Phenotype refers to the physical appearance of an organism as a result of the interaction of its genes with the environment. Examples of phenotypic expresssions are hair colour, skin colour, height, etc.

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