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Charra [1.4K]
3 years ago
5

What could you look for to determine if a cell is prokaryotic or eukaryotic?

Biology
2 answers:
ololo11 [35]3 years ago
7 0

Answer:

Explanation:

To determine whether a cell is a eukaryotic or prokaryotic cell, one can observe certain features. If the cell in the question possesses a well-defined or definite nucleus and have membrane-bound organelles such as mitochondria, chloroplasts, Golgi apparatus, endoplasmic reticulum, the cell is eukaryotic. If the cell has nucleoid or indefinite nucleus and without membrane-bound cell organelles, the cell is prokaryotic. If ribosomes in a cell are the 80S (S=Svedberg units) type, the cell is eukaryotic and if ribosomes are 70S type then it is prokaryotic.

Misha Larkins [42]3 years ago
5 0
A eukaryotic cell has far more organelles and most prominently, has a nucleus. A prokaryotic cell stores it's DNA in it's cytoplasm.
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Why are there no samples of rocks from the early Precambrian era?
xenn [34]

Answer:

The correct answer is -  D. All rocks were molten in that time period.

Explanation:

The early Precambrian era began 4.6 billion years ago. The formation of eath start from this era with dust and gas. The atmosphere at that time was too hot. It was like hades. The rocks were molten and appear to like an ocean of rocks.

Due to the molten rocks, there are no samples of rock from this area as it was too hot to be formed. There were boiling sulfur and gases were everywhere.

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In an aquatic ecosystem, plants can help to remove some toxic nitrogen compounds from the water. They do this by — a. denitrifyi
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Answer: d. assimilating the nitrogen into their own biomolecules.

Explanation: I just had this question for an assignment.

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3 years ago
The table below shows part of the process of DNA replication:
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Answer:

There will be a change in the genetic information that gets transmitted due to the mutation in the complementary strand being used as template in future DNA replication.

Explanation:

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3 0
3 years ago
Choose the best explanation of the difference between evolution and natural selection. Question 7 options: A) Evolution is the i
Bess [88]

The correct option here would be A. Evolution has to do with species changing over time while natural selection is a process that leads to evolution.

<h3>Evolution and natural selection</h3>

Evolution refers to the gradual changes to the morphological and or physiological characteristics of living organisms over time as a result of constantly trying to adjust to their environments.

Natural selection, on the other hand, refers to one of the processes through which evolution takes place. It refers to forces that select for or against traits in organisms.

More on evolution and natural selection can be found here: brainly.com/question/2725702

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8 0
2 years ago
Classify each statement as a description of glycolysis, glycogenesis, glycogenolysis, or gluconeogenesis.
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Glycolysis is the breakdown of glucose where the final product is pyruvate, glycogenesis is the process of formation of glycogen and the product in first step is glucose-1-phosphate. Glycogenolysis is the process in which the initial reactant is glycogen, and gluconeogenesis is the formation of glucose from pyruvate.

<h3>What is glycogen?</h3>

Glycogen is a type of carbohydrate that is stored in the liver and gets converted into glucose in emergency situations.

It is formed by the process of glycogenesis and the first-step product is glucose-1-phosphate.

Glycolysis is the breakdown of glucose where the final product is pyruvate.

Glycogenolysis is the process in which have initial reactant glycogen and occurs when brain and muscle require immediate energy.

Gluconeogenesis is the formation of glucose from pyruvate.

Thus, these were the explanation for glycolysis, glycogenesis, glycogenolysis and gluconeogenesis.

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