Answer:
carbon, hydrogen,oxygen,nitrogen, and phosphorus
Cell division in eukaryotic cells includes mitosis, in which the nucleus divides, and cytokinesis, in which the cytoplasm<span> divides and daughter cells form. Mitosis occurs in four </span>phases<span>, called prophase, metaphase, anaphase, and telophase.hope this helps</span>
The statements the describe the ecosystems are the following:
1. Balance is required for the survival of an ecosystem.
2. One way to determine an ecosystem's health is by its biodiversity. Biodiversity means having different kinds of plants and animals in an ecosystem.
3. Predators play a role in balancing the earth's ecosystems. These animals are essential in maintaining the food pyramid or the food chain.
Answer:
a. the RNA polymerase undergoes abortive initiation prior to promoter clearance
Explanation:
In eukaryotes the 3' end of the mRNA is polyadenylated to protect the mRNA from degradation.
In eukaryotes, a modified guanine cap is added to the 5' end of the mRNAd to protects the transcript from being broken down.
Most bacterial RNA transcripts do not undergo splicing.
The nucleosome is the basic unit of chromatin repeat in eukaryotes.
