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3 years ago

Which organism is considered an exception to the cell theory because it has a noncellular structure?

Biology

1 answer:

KATRIN_1 [288]3 years ago

7 0

Answer:

<h2>Which organism is considered an exception to the cell theory because it has a noncellular structure? 33. Viruses are exceptions to the cell theory, but they have some characteristics of living things.</h2>

Explanation:

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Can anyone give a help with this please I have to submit it tomorrow!!

Usimov [2.4K]

Answer:

Q.1: I can't help you with this, sorry :(

Q.2: Seaweed is the producer because it takes energy from the water and sun in thermal reactions.

Q.3: Phytoplankton is the second-order consumer because they eat first-order consumers.

Q.4: Whelks and crabs because they eat limpets, which eat producers, and they also eat seaweed.

Q.5: Gulls are carnivores because they eat the crabs, and so are crabs because they eat mullets

Q.6: Limpets and lobster would become less populated, but not yet endangered. Gulls would starve and probably disappear from this ecosystem.

Q.7: Whelks' numbers would decrease because of the number of lobsters consuming them, but then lobsters would starve because of the decline in their food. Then this would repeat, shaking the whole ecosystem.

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2 years ago

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What are some possible consequences of a mutation? Give a specific example for each consequence you list.

Tju [1.3M]

Since all cells in our body contain DNA, there are lots of places for mutations to occur; however, some mutations cannot be passed on to offspring and do not matter for evolution. Somatic mutations occur in non-reproductive cells and won't be passed onto offspring. For example, the golden color on half of this Red Delicious apple was caused by a somatic mutation. Its seeds will not carry the mutation.

A single germ line mutation can have a range of effects:

No change occurs in phenotype.
Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.Small change occurs in phenotype.
A single mutation caused this cat's ears to curl backwards slightly.Big change occurs in phenotype.
Some really important phenotypic changes, like DDT resistance in insects are sometimes caused by single mutations. A single mutation can also have strong negative effects for the organism. Mutations that cause the death of an organism are called lethals — and it doesn't get more negative than that.

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3 years ago

Whats the biggest mystery about the virus

dsp73

Explanation:

Hey, there!!

According to what i have learned, the biggest mystery about virus is; It acts like both living and non- living beings.

living characters includes :

It reproduce to make more no. of themselves. 
It feeds on various substances.

non- living characters: 

It can be crystallize. 
It dont respire and feed eith it is out from a host body.

Hope it helps...

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3 years ago

What two Units do Astronomers use to calculate Distance to Stars

Nataliya [291]

Answer:

astronomical unit (AU) and light years

Explanation:

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3 years ago

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Which structure is not made up of RNA?

ANEK [815]

d. amino acids

The two factors that determine the shape of a protein 
1. Primary structure. The sequence of amino acids. Amino acids are the building blocks of protein. It is a strong of linearity that can be thousands in length. Moreover, the formation of the amino acid and its system is influenced by its genes’ nucleotides arrangement. 
2. Hence the next factor is how is the structure of the amino acids bended and folded with itself that forms the certain protein molecule and forms the larger complex structure

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3 years ago

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