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Gwar [14]
4 years ago
14

During the Carboniferous Period, what were largely responsible for regulating the climate on land masses? A. Land masses B. The

glaciers C. The North and South Poles D. Large oceans
Biology
1 answer:
VladimirAG [237]4 years ago
3 0

Answer:

D. Large oceans

Explanation:

During the Carboniferous period, the majority of the land masses were merged into one large supercontinent, with smaller landmasses being very close to it. This meant that there was one enormous ocean surrounding the supercontinent, but also one smaller one that was getting deeper into the land masses. The large Panthalassic Ocean had huge effect on the climate on Earth in this period. Because it was so large, it produced very large air masses, mostly warm and wet, causing a lot of precipitation, resulting in warm and wet climate in most of the planet. It was also an ocean that was capable of producing storms and waves much larger than anything we can see nowadays, managing to cause lot of damage along the coastlines of the supercontinent.

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5 0
2 years ago
Geologists found fossils of similar marsupials from the same time period across South America, Africa, Antarctica, India and Aus
bogdanovich [222]

Answer:

A. Those continents were once a part of one supercontinent.

Explanation:

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5 0
3 years ago
Read 2 more answers
Describe, in general terms, the structural components of ribosomes, including a brief explanation of their function. Explain whe
mylen [45]

Answer:

Structurally, the ribosome comprises of two major parts: The small ribosomal units and the large ribosomal units. Each unit contains ribosomal Ribonucleic acid molecules, which is usually one or more than one called rRNA. Each unit also contain ribosomal protein, rproteins. Each of these components are very important for the translation of messenger RNA into proteins encoded by the RNA.

Explanation:

The ribosome and its components are generally referred to as translational apparatus. The small subunit of the ribosome is effective in reading the codes encoded on the mRNA, which . The large subunit is needed to actually join the amino acids needed to form the right protein (or polypeptides). The proteins within the ribosome is used to act as a scaffold that only aid the ribosome ability to form polypeptides.

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3 years ago
What was the purpose of the punnett square
djverab [1.8K]

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6 0
4 years ago
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Which enzyme(s) involved in fatty acid synthesis utilize ATP? Select all that apply.
GREYUIT [131]

Answer:

a. Acetyl CoA carboxylase  

Explanation:

Much of the fatty acids used by the body is supplied by the diet, excessive amounts of carbohydrates and protein obtained from the diet can be converted to fatty acids and stored as triglycerides. Fatty acid synthesis occurs mainly in the liver and mammary glands, and to a lesser extent in adipose tissue and kidney, the process incorporates acetyl CoA carbons into the forming fatty acid chain using ATP and NADPH.

The acetyl portion of acetyl CoA is transported to cytosol as citrate, produced by condensation of oxaloacetate and acetyl CoA, the first reaction of the citric acid cycle, this occurs when the concentration of mitochondrial citrate is high, observed when there is a high concentration of ATP and isocitrate dehydrogenase is inhibited.  The increase of citrate and ATP favors the synthesis of fatty acids, since this pathway needs both. Acetyl CoA should be converted to malonyl CoA. Carboxylation is catalyzed by acetyl CoA carboxylase and requires ATP, this reaction is the regulated step in fatty acid synthesis: it is inactivated by products, malonyl CoA and palmitoyl CoA, and activated by citrate, another regulatory mechanism is reversible phosphorylation of enzyme, which makes it inactive due to the presence of adrenaline / glucagon

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