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Schach [20]
3 years ago
6

Which organism is an autotroph?

Biology
1 answer:
astra-53 [7]3 years ago
4 0
An autotroph is an organism that makes food for itself like plants
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Dipeptide, polipeptide
Liula [17]

Polypeptide:
A chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.

Dipeptide:

A peptide that yields two amino acids on hydrolysis.

6 0
1 year ago
Which describes an advantage of the way certain fish reproduce?
AVprozaik [17]

B. they can fertilize eggs internally, so the eggs are protected inside the female

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What do birds need in order to maintain their body temperature?
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Food they eat for storing carbohydrates
7 0
2 years ago
A pseudogene is a Group of answer choices second copy of a gene that functions when the original copy becomes damaged. gene that
AnnyKZ [126]

Answer: Gene that arose through gene duplication, but by acquiring mutations became nonfunctional.

Explanation:

A gene is a functional unit of heredity formed by DNA. They possess a sequence of nitrogenous bases that during translation is read by ribosomes to produce molecules called proteins.  A pseudogene is a DNA sequence that resembles a gene, but which has been inactivated in the course of evolution by mutations in its sequence. Thus, it is a gene that derives from other known genes and whose functions are different, <u>may have lost their functionality or have radically changed </u>it. To this day, it is not known exactly how pseudogenes are created, however some theories are as follows:

1. A gene duplication can generate two copies of a gene when only one is needed. A mutation would then occur that deactivates one of the copies. In addition, the duplication event may not be complete, so that the copy has incomplete promoters.  

2. They may be fragments of the messenger RNA transcript of a gene may be spontaneously reverse transcribed and inserted into the chromosomal DNA. They lack the promoters of normal genes, so they are not expressed normally.

3. A gene may become non-functional or inactivated if such a mutation becomes fixed in the population. This can occur by normal means such as natural selection or genetic drift.

7 0
2 years ago
1. What happens when two animals from the same habitat eat the same food?
Montano1993 [528]

Answer:

they might mate because of there similarities and there similaritie is the fact they eat the same food.

Explanation:

unless they are different types of animals because no animal will mate with another unless they are both the same type, if they are not the same type they feel uncomfortable.

4 0
2 years ago
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