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Elanso [62]
2 years ago
6

In the case of Pavlov’s dogs, the conditioned response was which of the following?

Biology
1 answer:
denis23 [38]2 years ago
3 0

Answer:

A. Salivation at the sound of a bell

Explanation:

It is correct on PLATO

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Which macromolecules are often made of three fatty acid‘s bond to a glycerol molecule.
grandymaker [24]

Answer . These two molecules form what is known as a triglyceride or a fat. Two common forms of triglycerides are saturated and un saturated fats.. so basically lipids

B. Lipids.

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3 years ago
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Which is the smallest taxonomic group that contains organisms of different species
dmitriy555 [2]
Genus

The complete and correct hierarchy of taxonomic groups from largest to smallest are:
1) Domain
     1.1) Archaea  1.2) Bactera  1.3) Eukarya
2) Kingdom
     2.1) Animalia  2.2) Plantae  2.3) Fungi  2.4) Protista  2.5) Archaea  2.6) Bacteria
3) Phylum - has 35 phyla
4) Class 
5) Order
6) Family
7) Genus
8) Species

6 0
3 years ago
In humans, methylation of chromosomal DNA is a signal that often leads to
Ulleksa [173]

Answer:

The correct answer will be option-formation of heterochromatin

Explanation:

Methylation of DNA is the epigenetic mechanism which controls the expression of a gene by adding a methyl group to the cytosine bases in eukaryotic DNA.

The methylation of DNA converts the cytosine residues to the  5-methylcytosine catalysed by DNA methyltransferase enzyme. This results in the silencing of the gene and transcription get switched off.

Studies have shown that DNA methylation is involved in the formation and maintenance of the heterochromatin structure which is the condensed form of the chromatin in which transcription is switched off.

Thus, the formation of heterochromatin is the correct answer.

7 0
3 years ago
What are some of the ways that animals rely on plants? (Choose all that apply)
frez [133]

Answer:

Animals breathe the carbon dioxide released by plants after photosynthesis. And  animals use the plants’ chlorophyll to make their own food.

Explanation:

4 0
3 years ago
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Why is it important to study the theory of plate tectonics and continental drift?
Dvinal [7]
It is practical knowledge in the sense that we know why some parts of the world are inherently risky to live in. Even though volcanic eruptionis, earthquakes and tsunamis are difficult to predict, it makes sense to have building codes and emergency plans that take this into account.

It is science’s response to the beliefs that natural catastrophes (volcanism, earthquakes and tsunamis) are divine punishments for the evil ways of some individuals.

Even if you will never use or apply this knowledge, knowing about the theory of plate tectonics gives you a current scientific perspective on what we know about the natural world.

It is a good example of how scientific theories proceed by trying to fit several observations into a coherent explanation.

Learning about the observations that needed to be made and explained for the theory to win over scientists helps caution you against people who adopt belief systems without questioning the myths told to them, or those who try to profit from ignorance of how nature actually works.

When it is well taught, it should convince you that, like any scientific theory, plate tectonics is a “work in progress”. New discoveries continue to be made, and it takes creative and logical thinking, debate and a quest for more observations in order to determine which ones prove or challenge the current theory and which ones may lead to its refinement.
8 0
3 years ago
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