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Kay [80]
3 years ago
6

Oysters and barnacles are in competition for space on a rock. Which of the following best describes this relationship?

Biology
2 answers:
ad-work [718]3 years ago
7 0


<span> Harmful, because there will not be enough space for both of them</span><span> </span>

disa [49]3 years ago
3 0

Answer:

Harmful

Explanation:

If both the oysters and barnacles will grow on a single rock and compete for space, then the relationship between them would be harmful as none of them would benefit the other but would only try to outcompete the other due to the limited availability of space.

<em>Hence, the relationship that the two would share would be harmful to both the organisms. </em>

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Molecule 1 has the nitrogenous base sequence TCA AGT. Which set of bases in Molecule 2 can bond to that sequence in a complement
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Complete question:

Molecule 1 has the nitrogenous base sequence TCA AGT. Which set of bases in Molecule 2 can bond to that sequence in a complementary way?

a. UCAAGU

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Answer:

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Explanation:

DNA template strand and the corresponding RNA have complementary sequences. Adenine in the DNA template strand pairs with "uracil" base of RNA while cytosine pairs with its "guanine" base. Similarly, thymine base in DNA template strand pairs with "adenine" base in the RNA. This occurs since RNA does not have a thymine base. RNA has uracil base instead. Therefore, the molecule 1 with sequence  TCA AGT would bind to the molecule 2 with the " AGU UCA" sequence.  

Molecule 1: DNA template:  TCA AGT  

Molecule 2: mRNA:              AGUUCA

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3 years ago
Which of the following is true?
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Compare the sugar-phosphate arrangement in the backbone of the DNA from the plant, the manmal and the bacterium. Are there any d
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Answer:

No, there are no differences

Explanation:

Deoxyribonucleic acid (DNA) is a molecule composed of two polynucleotide chains that interact together in order to form a double helix. This molecule (DNA) carries the genetic instructions that make each species unique. In DNA, each polynucleotide chain is composed of nucleotide monomers: a nucleotide is composed of a deoxyribose sugar attached to a phosphate group and one nitrogen-containing base (i.e., adenine, thymine, guanine and cytosine). This basic structure is the same among different species, and, therefore, genetic differences between different groups (in this case, animals, plants, and bacteria) are caused by differences in the nucleotide-base sequences of their DNA molecules.

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3 years ago
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