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Alex Ar [27]
3 years ago
10

Are all eukaryotes in the Eukarya domain multicellular?

Biology
1 answer:
dlinn [17]3 years ago
8 0

Answer: Unlike unicellular archaea and bacteria, eukaryotes may also be multi cellular and include organisms consisting of many cell types forming different kinds of tissue.

Explanation:

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How did the results of Meselson and Stahl's experiment confirm that
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Answer: Meselson & Stahl reasoned that these experiments showed that DNA replication was semi-conservative: the DNA strands separate and each makes a copy of itself, so that each daughter molecule comprises one "old" and one "new" strand. The semi-conservative model, in which each strand of DNA serves as a template to make a new, complementary strand, seemed most likely based on DNA's structure. ... From the patterns of DNA labeling they saw, Meselson and Stahl confirmed that DNA is replicated semi-conservatively.

Explanation:

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Ralph is looking at a blood vessel under a microscope as part of his study about the cardiovascular system. He notices that the
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The right answer is vein (it contains blood and has valves).

The infra-cardiac veins of small and medium caliber possess this system of fight against gravity. The valves consist of a dense connective tissue, surmounted by endothelial cells, corresponding to a fold of the intima. They allow blood circulation in the sense organ / heart but prevent venous reflux.

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Where in an article is the thesis typically located? Conclusion Introduction First body paragraph Second Where in an article is
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Of these — carbohydrates, lipids, or proteins — which releases the greatest amount of energy per gram during catabolism
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Lipids are fatty substances thus they release greatest amount of energy more than carbohydrates
8 0
3 years ago
A man is brachydactylous (very short fingers; rare autosomal dominant), and his wife is not. Both can taste the chemical phenylt
netineya [11]

Answer:

The correct answer is -

A) BbTt x bbTt

B) .5^4 or 1/16 or 0.0625

Explanation:

As it is given that Brachydactylus and PTC tasters both traits are autosomal dominant conditions which mean only one allele would be enough.

For Branchydactylus and For tasting :  man and women will be heterogeneous.

Hence,

The Genotype of man = BbTt

The Genotype of wife = bbTt

b. Answer = 0.0625

For Branchydactylus:

Bb X bb

Possible genotypes:

B b

b Bb( Brachydactylus) bb(normal)

b Bb (Brachydactylus) bb (normal)

The probability of a single child being Branchydactylus = 2/4 = 0.5

So,  Probability of all 4 child being Branchydactylus = .5 x .5 x .5 x .5 = 0.0625

3 0
3 years ago
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