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OLEGan [10]
3 years ago
9

Which of the following molecules does NOT contain a B-1,4 glycosidic linkage?

Biology
1 answer:
Lesechka [4]3 years ago
5 0

Answer:

Chitin, Cellulose and Peptidoglycan (B, C and D)

Explanation:

Both chitin and cellulose are composed mainly of glucides, bound by glycosidic bonds of the Beta 1-4 type. This is largely why they cannot be digested by most non-herbivorous animals.

As for peptidoglycans, it is a net. It is a molecular framework present in bacteria that has β1-4 and α1-4 bonds in different proportions.

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The cytochrome c in both horses and pigeons differs from the human protein at 12 locations. Based on this data, you might infer
yuradex [85]

Answer:

Cytochrome c is an enzyme found in bacteria, fungi, plants and animals. Here it is given that the human amino acid sequence for cytochrome c differs at 12 locations from the sequence in horses and pigeons. This information might be useful for inferring in preliminary stages that horses and pigeons are closely related to each other since they both show similar amount of difference from humans.

However, this hypothesis is being made with respect to the the comparison between "humans and horses" and "humans and pigeons". To further test this hypothesis pigeons and horses should be directly compared to each other without the use of a third species like humans. Hence, the sequence for cytochrome c in horse and pigeon should be compared with each other rather than comparing to humans.

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3 years ago
Colin owns a dog food business, but wants to develop a canine fashion line as a way of expanding his portfolio and increasing sa
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Answer:

I think it is B. Market Penetration strategy.

Explanation:

I'm very sorry if this is wrong but studying the two possible answer (A or B)

B seemed the most probable due to the definition of the Market Penetration Strategy. Which is essentially "To focus on current products and current markets in order to increase market share". (I hope I was able to help! :)

4 0
3 years ago
What are two effects of too much exposure to radiation
liq [111]
Heat and flame jetting

7 0
3 years ago
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In which situation is the principle of cross-cutting relationships useful in determining relative age?
Rzqust [24]

Answer: Igneous rock forms between sedimentary layers.

This can definitely help in determining relative age because sedimentary rocks will be the older rock than igneous rock as igneous rock has formed between sedimentary rocks

Explanation:

8 0
3 years ago
Why do you think invasive species are more of a problem in human altered biomes (anthromes) than they are in a biome that has no
Anna11 [10]

Answer:

invasive species are a problem both in anthropogenically altered and natural environments

Explanation:

An invasive species can be defined as a non-native species introduced into a new environment which then becomes abundant. Only in the US, it is believed that there are approximately 4,000 invasive species (some examples include the feral pigs, grey squirrels, European rabbits, etc.). In general, invasive species have a negative impact on the ecosystem, especially by displacing native species and thereby altering the trophic chain. In anthropogenically altered environments (anthromes), human beings are considered to be an invasive species.

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3 years ago
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