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Softa [21]
3 years ago
12

Could an animal survive if it didn't respond to stimuli

Biology
1 answer:
yawa3891 [41]3 years ago
6 0

Answer:

The nervous system is stimulated from the environment, through sensory receptors. A stimulus is any form of energy that can be detected by the body. ... Animals normally only respond to stimuli which they select; they filter out certain stimuli that surround them, and react to others they choose to accept.

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They are composed of chains of _____ _______ made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
e-lub [12.9K]

Answer:

amino acids

Explanation:

Proteins are made up of small units called amino acids. The proteins are composed of carbon, hydrogen, oxygen and nitrogen. In addition to nitrogen, proteins may contain phosphorus or sulphur or both. The proteins are referred to as nitrogenous compounds because they contain nitrogen element.

5 0
3 years ago
Which of the following factors has delayed the development of laboratory- based genetic systems in Archaea?a.Archaea do NOT host
e-lub [12.9K]
<h2>b) option is correct </h2>

Explanation:

  • Archaea are the closest modern relatives of Earth's first living cells
  • Archaea are famous because of living in extreme environments
  • If it’s super hot (more than 100° Celsius), freezing, acidic, alkaline, salty, deep in the ocean, even bombarded by gamma or UV radiation, there’s probably life there, and that life is probably archaeal species
  • They’re also considered very resourceful
  • Many forms of archaea can utilize totally inorganic forms of matter—hydrogen, carbon dioxide or ammonia for example—to generate organic matter themselves
8 0
3 years ago
The region of a Drosophila embryo with a low concentration of bicoid protein will develop into the _____. a) abdomenb) male flow
joja [24]

Answer:

The correct option is d) head.

Explanation:

Bicoid protein works as a transcription factor. It enters the nuclei of the embryos in early segmentation, where it activates the hunchback gene. In Drosophila, embryonic development begins at the time of fertilization. The sperm enters the mature oocyte through the micropile, a structure located in what will be the anterior region of the egg. Bicoid and hunchback mRNAs, protein products are critical for the formation of the head and thorax. Already in the early stages of oocyte development, certain mRNAs are located in specific regions of the oocyte: mRNA molecules encoding the Bicoid protein are preferentially located in the anterior region of the oocyte. Moderate levels of the bicoid protein are necessary to activate the formation of the thorax (i.e., the expression of the hunchback gene) but the formation of the head requires high concentrations of Bicoid, the promoters of a specific gap gene of the head must have sites of low affinity binding for Bicoid, so that this gene can be activated only in extremely high concentrations of Bicoid.

The lack of Bicoid protein affects the formation of the head and other structures in the anterior region of the oocyte.

6 0
3 years ago
Which processes beings the formation of sedimentary rock?​
yaroslaw [1]

Answer:

clastic sedimentary rock are made up of pieces of pre-existing rocks. pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. if the sediment is very deeply, it becomes compacted and cemented, forming sedimentary rock.

Explanation:

Hope this helped Mark BRAINLEST!!!!

8 0
3 years ago
Read 2 more answers
Which of the following is typically the last step of the scientific method?
Gnesinka [82]
B. Draw a conclusion
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3 years ago
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