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denis-greek [22]
2 years ago
11

5. Waves that can travel with or witout a medium are called mechanical *

Biology
1 answer:
kvv77 [185]2 years ago
3 0

True. Mechanical waves form when a source of energy causes a medium to compress.

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Which mutation is an example of an insertion mutation?
Burka [1]

Answer:

d. AAU CCG CAU UGG A​

Explanation:

A mutation is any change or alteration to the sequence of a gene. There are, however, different types of mutation depending on how it occurs in the gene. One of these types is INSERTION MUTATION as mentioned in this question. Insertion mutation is a type of mutation in which one or more nucleotide base is added to the sequence, hence, changing the reading frame of the original sequence.

In this question, the original mRNA sequence is given as: AAU CCG CAU GGA.

An insertion mutation will cause nucleotide base(s) to be added to this sequence, which will be noticed by an increase in number of bases in the sequence.

The correct answer is: AAU CCG CAU UGG A​. In this mutated sequence, nucleotide "U" has been added to the sequence.

8 0
2 years ago
___ 1. When the combined effect of two drugs, each producing the same biological response by the same mechanism of action, is eq
Valentin [98]

Answer:

Additive effects

Explanation:

In pharmacology, sometimes more than one drug is used to treat a disorder. The two or more drugs are used as they treat the disease more effectively than they treat the disorder independently.  The two drugs interact in one of the two ways: the additive effect and the synergistic effect.

In the given question, the drugs when combined produce the sum of the drugs equal to the effect shown by the drugs individually therefore the effect of the drug is added. This type of drug interaction is known as the additive effect.

Thus, Additive effect is the correct answer.

4 0
3 years ago
Producers, consumers, and decomposers play important roles in the environment. Are there any organisms that would not fall into
choli [55]

Answer:

No, there are no organisms that will not fall into these categories

Explanation:

Living organisms interact with one another in their natural environment in order to ensure that energy needed for their metabolic activities is obtained. To do this, each organism plays different or specific roles. The roles that every organism must fall into are as follows:

- Producers are groups of organisms that have the ability to synthesize their own food using light (photosynthesis) or chemicals (chemosynthesis). Examples are green plants, algae, some bacteria etc.

- Consumers- These are organisms that lack the ability to synthesize their own food and hence depend on other organisms for their energy source. Consumers can either be herbivores (eat plants) or carnivores (eat flesh) etc. Examples are all animals etc.

- Decomposers- These are organism that have the ability to breakdown dead organisms into organic matter, thereby, adding nutrients back to the soil. Examples are fungi, bacteria, earthworm etc.

Based on this explanation above, no organism will not fall into any of these three categories. Some can even occupy two roles.

8 0
2 years ago
In which supereon did single-celled organisms first form in Earth
Morgarella [4.7K]
<span>Your answer is Precambrian.</span>
4 0
3 years ago
Read 2 more answers
Did you restate the hypothesis (or prediction) you formulated before the experiment?
Bogdan [553]

Answer:

Restate your hypothesis and then state clearly and concisely whether or not your hypothesis has been supported by the experiment.

7 0
2 years ago
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