Answer:
Answered below
Explanation:
Hemoglobin is found in the red blood cells and is responsible for the transportation of oxygen from the lungs to the various body cells.
Oxygen binds to hemoglobin because it has a high affinity for it. This aids its transportation. When it gets to the cells it unbinds and get transported into the cell for use in energy production.
Carbon monoxide is an odourless, dangerous gas which has more affinity for hemoglobin than oxygen. Therefore when carbon monoxide is inhaled, it quickly binds to hemoglobin, thereby displacing oxygen. It binds to hemoglobin for a longer period and due to this, the body does not get any oxygen and cells begin to die.
Symptoms of carbon monoxide poisoning include dizziness, headaches, fatigue and coma.
Answer:
The correct answer is "Females are mosaic for the expression of heterozygous X-inked loci because females undergo random X-inactivation".
Explanation:
This study reports that pairs of male twins tended to be more alike in their prosocial behavior, peer problems, and verbal ability scores than pairs of female twins. This is explained by the process of random X-inactivation in pairs of female twins. Random X-inactivation is the transcriptional silencing of one X chromosome in female cells during its development. This results in pairs of female twins being mosaic for the expression of heterozygous X-inked, making female twins actually not identical in its phenotype.
Venus is called Earth's "sister planet" because it has similar size, mass, gravity and density. but the planet with the most similar atmosphere is Mars.
Answer:
During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose.
I searched it up after to make sure I was right
Answer:
B) a bacterial promoter sequence
Explanation:
Promoters are the specific DNA sequences that are required for the expression of genes. These DNA sequences direct the RNA polymerase to bind to the specific regions of the gene. For example, the DNA sequences present at -10 and -35 regions of genes of E. coli interact with the sigma subunit of RNA polymerase and direct it where to bind during the process of transcription.
Eukaryotic genes do not have the prokaryotic promoters. Therefore, bacterial promoter sequences should be added to a eukaryotic gene to allow its expression in a prokaryotic cell.
