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Ilya [14]
3 years ago
7

What is characteristic of ecdysozoans?

Biology
1 answer:
kodGreya [7K]3 years ago
7 0

Answer:

D) Some kind of exoskeleton, or hard outer covering

Explanation:

Ecdysozoa is a clade of animals that gathers arthropods, nematodes and seven other phyla. These organisms have a type of exoskeleton, or hard outer lining that limits the growth of these animals. At some point in the life of these animals, the "exoskeleton" becomes tight and forces these animals to form a new exoskeleton in order to grow. The process of moving from one exoskeleton to another is called ecdysis and also happens in insects.

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Assuming no crossing over, what combinations of chromosomes are possible in the cells produced at the completion of Meiosis I?
TEA [102]

Answer:

The cells will contain either maternal or paternal chromosomal combination

Explanation:

If no crossing over occurs during Meiosis 1 then it greatly reduces the chances of better variations among the species. The resulting cells will contain the whole paternal or maternal genome of the parents that is result of less variant genetic combinations.

8 0
3 years ago
Which best explains the surface tension of water
ipn [44]

"Cohesion" is the one among the following choices given in the question that best explains the surface tension of water.


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6 0
4 years ago
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The correct answer is "fried chicken and buttered corn". In a patient with cholecystitis, the pathology is within the gall bladder. The main function of the gall bladder is to store bile secreted from the liver and excrete it whenever there is stimuli for digestion (i.e. stretch of the stomach due to food intake). In cholecystitis, there is deranged excretion of bile from the gall bladder. Bile is used to emulsify fat content from the food. Fried chicken and buttered corn contains high amounts of fat and in the event of deranged excretion of bile, there will be indigestion of fat content leading to dyspepsia.
7 0
4 years ago
1. One important feature of DNA is that it can be accurately copied and inherited from one generation to the next. Imagine if DN
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Answer:

Explanation:

If DNA is not accurately replicated it can lead to mutation. Mutation is a genetic disorder that occur when a change occur and affect the genome of an organism. It can be result in frameshift mutation shifting nucleotide arrangement.

When DNA is not accurately replicated, it could lead to formation of an entirely new protein different from the original which has a different function this could lead to a form of disorder in the offspring. The effect of this disorder depends on it severity.

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3 years ago
The heart is enclosed in a double-walled sac called the
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