Answer:
In S phase, the cell synthesizes a complete copy of the DNA in its nucleus. It also duplicates a microtubule-organizing structure called the centrosome.
Explanation:
Answer:
The correct answer will be - Keystone species
Explanation:
Keystone species refers to the species present in a community which has a large effect or great influence on the surrounding environment.
The concept of Keystone species was introduced by the Robert T. Paine in 1969 to the species which help maintain the structure of the biological community.
The keystone species are called keystone species as its presence affect the other organisms directly and if removed from a community it will lead to the shift or change in the structure of the community.
Thus, Keystone species is the correct answer.
Observations for a recluse spider bite exhibits the signs and symptoms of the ff:
- the skin is reddened, and will be followed by blisters that will be forming on the bite site.
- in 2 to 8 hours of the bite, intense pain will be felt by the victim or the patient, and is accompanied by itching.
- a week after the bite, an ulcer or a sore (open) with necrosis (breakdown of tissues) will develop and may take up to a month to heal.
Answer: option B) Mendel's law of independent assortment
Explanation:
Mendel's law of independent assortment of genes states that each character behaves as a SEPARATE unit and is inherited INDEPENDENTLY of any other character.
Therefore, the SEPARATION of alleles from each other so that each gamete carries only one allele PERFECTLY explains Mendel's law of independent assortment
