Answer: The correct answer is-
A) predators, like snakes.
As per the information given in the question, there is plentiful wildlife in the pineywoods. It is inhabited by more than 100 species of birds and many small mammals such as cottontail rabbits and squirrels.
In order to keep balanced population in pineywoods habitat, it is required to include predators like snakes ( that capture and eat other organisms as source of energy such as birds, rats, and other small mammals) as they will prevent the organism from overcrowding in the habitat.
Thus, it will maintain a balanced population in the pineywoods.
Therefore, option A) is the right answer.
The process of making RNA from a DNA sequence is called transcription.
The process of making RNA from a DNA sequence is called transcription. During transcription, a gene on the DNA molecule is transcribed into a complementary mRNA molecule. This mRNA molecule carries the genetic information encoded in the DNA and serves as a template for protein synthesis.
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Where is Glycolysis happening
Answer:
Glycolysis takes place in the cytoplasm. Within the mitochondrion, the citric acid cycle occurs in the mitochondrial matrix, and oxidative metabolism occurs at the internal folded mitochondrial membranes (cristae).
Explanation:
hope it helps you
Answer:
have two alleles for the gene
Explanation:
A
All cells contain ribosomes that conduct protein synthesis.
B
Cells contain genetic information in the form of DNA.
If isolated from a eukaryotic cell, mitochondria can no longer survive and reproduce on their
own.
If isolated from a plant cell, a chloroplast can survive and reproduce on its own.
Answer:
C. If isolated from a eukaryotic cell, mitochondria can no longer survive and reproduce on their own.
Explanation:
The endosymbiotic theory proposes that early eukaryotic cells evolved from endosymbiotic interactions among prokaryotic cells. This theory states that mitochondria and chloroplasts were once primitive bacterial cells that were ingested by large anaerobic prokaryotic cells, and then these cells benefited from living and working together. The most important lines of evidence that support this theory are that mitochondria and chloroplasts contain their own genetic material (circular DNA) and their own protein biosynthesis machinery (ribosomes).
The statement supporting the endosymbiotic theory claims chloroplasts can survive and reproduce on their own when isolated from a plant cell. This suggests these organelles, once independent prokaryotic cells, retain certain autonomous features despite integration into the eukaryotic cells.
The endosymbiotic theory proposes that certain organelles in eukaryotic cells, such as mitochondria and chloroplasts, originated as independent prokaryotic cells that were engulfed by a host cell. This event allowed a symbiotic relationship to develop, which subsequently led to the development of eukaryotic cells. The option that best supports this theory is: 'If isolated from a plant cell, a chloroplast can survive and reproduce on its own.'
This statement suggests that chloroplasts, like the bacteria from which they evolved, maintain some ability to live independently. Yet, although they contain their own DNA and ribosomes (symbols of their independent past), they are no longer 'free-living'. Similarly, mitochondria are also likely to have been independent entities because they too contain their own DNA and ribosomes. However, having been integrated into the host cell, they can no longer survive on their own, contrary to what might be inferred from the third option. The first and second options simply represent characteristics of all cells and provide no specific support for the endosymbiotic theory.
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