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Triss [41]
3 years ago
15

If a rat had a lesioned (surgically removed) amygdala and was then placed in the same room with a cat, what would the rat's beha

vior likely look like? the rat would likely:
Biology
1 answer:
Nitella [24]3 years ago
4 0
If a rat had a lesioned (surgically removed) amygdala and was then placed in the same room with a cat, the rat would likely appear tame, neutral, perhaps even playful. The amygdala is a structure located in the temporal lobe that participates in the control of emotional and motivated behaviors. In the rat it is considered that two of the subdivisions of the amygdala, the medial amygdala (Am) and the posteromedial nucleus, belong to the vomeronasal system,
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Describe one way that freshwater animals can compensate for ions lost during excretion of excess water
Anon25 [30]

They replace the lost ions by active uptake through active transport of ions from the surrounding waters.  This is exhibited in freshwater fishes that actively take in these ions through the gills.  Most of the ions involved in osmoregulation in freshwater are those of Na+ and Cl-.  






4 0
3 years ago
Duncan was a subject in a clinical study that was designed to determine the effects of certain diets on health. While participat
Phantasy [73]

Answer:

The missing options are:

- steroid hormones

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- essential fatty acids

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The correct answer is essential fatty acids.

Explanation:

Essential fatty acids are the fats that our body can not produce by itself, but that are essential for the function of the body, so we have to consume foods that have these fats, such as fish, oysters, nuts, chia seeds, soybean oil, etc. The deficiency of these fats causes skin problems, alopecia, anxiety, depression, among other things.

6 0
3 years ago
Is it <br> A.True<br> B. False
Inessa [10]

Answer:

A I believe it is correct

3 0
2 years ago
Read 2 more answers
1) How is DNA condensed to form a chromosome?
frosja888 [35]

Answer:

Hello! Here are the answers:

  1. Chromosomes are a highly condensed form of a combination of DNA and protein called chromatin. DNA strands (negatively charged) are tightly wound around these proteins called histones (positively charged) to form chromosomes.
  2. Mechanism genes code for for proteins that govern life processes. These genes or portions of DNA  are called exons. DNA segments between these exons are called introns that strictly code for regulatory proteins and also contain genetic regulatory elements (DNA sequences that control gene expression).
  3. Gene expression is the process of translation of DNA sequences into proteins. The genetic code is the nucleotide sequence in the DNA itself that codes for different amino acids that combine together to form a functional protein.

Explanation:

* 2. The intronic regions are misleadingly referred to as "junk DNA" but introns code for crucial regulatory elements that control gene expression.

* 3. The genetic code determines the sequence of amino acids in various proteins.

7 0
3 years ago
Genetic engineering has many applications, including uses in the medical, agricultural, and environmental industries. Describe o
ivanzaharov [21]

Answer:

Genetic engineering has multiple applications in different fields. Genetic engineering is the process by which alterations are made at the genetic level so that the final product is superior in quality and yield.

Explanation:

Following are few of it's applications:

<u>Medical field</u>- Genetic engineering is been used to produce insulin artificially, human growth hormones, anti hemophiliac factors, vaccines and other drugs.

<u>Agricultural industry</u>- It has been used to synthesize  improvised crops which give better yield and are pest resistant. E.g Flavr savr, a species of tomato which is more juicy and larger in size than regular tomatoes.

<u>Environment</u>- With the introduction of herbicide resistant corn, farmers reduced the use of tractors which in turn reduced the amount of greenhouse gases. Also, by imparting disease resistance to plants, a lot of plants are prevented from dying. In addition, the biodiversity of an area can be maintained.

5 0
3 years ago
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