A sugar phosphate backbone joins the nucleotide in a DNA sequence. A double helix has TWO backbones.
Answer:
Option C, varicella-zoster virus
Explanation:
The synonym for varicella-zoster virus is VZV and it is responsible for causing chicken pox in primary infection and shingles after the reactivation of latent VZV infection
It is a DNA virus that belong to the group of herpesvirus. All herpesviruses have the capability to persists in the body after primary infection as latent infection. These viruses survive for a short duration in the environment.
Hence, option C is correct.
Answer:
The population of herbivores would likely increase.
Explanation:
The keystone species - Gray Wolf - are especially useful because they essentially regulate the population of herbivores - like deer - they are a good predator to have to maintain a healthy ecosystem. Without them, the herbivore population would likely continue to grow and this would mean that greenery and the food that the deer eat ( as well as other animals ) would slowly be pushed to lower numbers. This would likely have an effect on the landscape in the area too.
The answer would be a panic attack.
The panic attack causes the person activates the sympathetic system that them sweating and breathing fast.
Rapid breathing will cause many CO2 removed than normal, lead to lower level of CO2 in the blood. Carbon dioxide makes the blood more acid, so lower level of CO2 will make the blood become basic, cause respiratory alkalosis which causes the numbness in feet and hands.
Answer:
The correct answer will be option C- the dendritic cell consumes the pathogen by phagocytosis
Explanation:
Dendritic cells are a class of professional immune cells which alert the immune system by antigen presentation, the reason also known as antigen-presenting cells.
These cells induce the B cells to produce antibodies against the antigen and also attain the function of macrophage that is phagocytosis. The pathogens are engulfed by the dendritic cells when they detect a pathogen.
Thus, option C is the correct answer.
