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Fittoniya [83]
3 years ago
14

Which of the below is not a function of the exoskeleton?

Biology
1 answer:
Tasya [4]3 years ago
6 0
Breathing, moving blood throughout the body, and so forth. 
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Why is the fossil record of marine life more complete than that of organisms living in terrestrial ecosystems?
monitta

Answer:

It is because sedimentation will more often occur in marine ecosystems

Explanation:

Formation of fossils (through the process of fossilization) is a rare event because animal bodies are often eaten and decayed (destroyed by scavengers and decomposed by worms). But, fossilization can be achieved after the quick burial of an animal.

So, for example, dead marine animals might be buried by sediment that is carried by the water. Also, sediment can precipitate on the ocean floor, covering the remaining of dead animals.

7 0
3 years ago
Bulimic nervosa is foremost __________? an excessive like of food an excessive appetite an excessive dislike of food none of the
zlopas [31]
None of the above is the correct answer.
<span>Bulimia nervosa an eating disorder that can be manifested by periods of binging on food (eating a large amount of food in a short time)<span> followed by purging. Some of the signs of this disorder are an obsession with food or eating, obsession with preventing weight gain or with your body, feeling as if once you start eating you won’t be able to quit etc.</span></span>
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3 years ago
Interactions between actin and myosin filaments of the sarcomere are responsible for
Ivan
Hello there.

<span>Interactions between actin and myosin filaments of the sarcomere are responsible for

</span><span>(c) muscle contraction
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7 0
3 years ago
What happens to the average kinetic energy of a substance as its temperature increases
Molodets [167]

Answer:

When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases. And lower average kinetic energy of the molecules means they have lower speed.

hope this helped !! ✨

5 0
3 years ago
Answer correctly 50 Points
Natali [406]

1. The main aim of the Human Genome Project was to determine the DNA Sequence of every human gene.

2. Variation in skin colour is an example of polygenic inheritance

This Human Karyotype is unusual because it has an extra chromosome at chromosome 21.

Klinefelters syndrome is shown in the second figure

Explanation:

1. The Human Genome Project's main goal was to sequence all the 30,000 genes and 3 million base pairs in their makeup for the early detection of diseases, gene therapy and molecular level studies.

2. Human skin colour is determined by the pigment melanin. The Dominant allele is responsible for dark colours as it produces more melanin. The melanocortin 1 receptor (MC1R) gene and Tyrosinase enzyme codes for the human skin colour. Polygenic inheritance are the traits which are controlled by one or more genes.

<u>figures:</u>

<u>The extra chro</u>mosome at the 21st chromosome pairs is called trisomy 21 or Down's Syndrome. It is due to the abnormal cell division/meiosis resulting in an extra X chromosome. This leads to thechanges the in physical development of  the individual.

Klinefelter's Syndrome: There are 47 chromosomes and 2 or more X chromosomes in this syndrome of males. The resulting male suffering from Klinefelter would be sterile and have poorly developed testicles.

7 0
3 years ago
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