The heart is a hollow cone shaped muscular pump within the thoracic cavity
The replication of chromosomes by eukaryotes occurs in a relatively short period of time because each chromosome contains multiple replicons. Prokaryotic such as bacteria often contain only one chromosome with one origin at which two replication forks assemble and move in opposite directions.
Answer:
True.
Explanation:
The definition for Forensic Science is "the discipline in which professionals use scientific means to analyze physical crime evidence. <u>This evidence is then presented in court</u> in order to help determine the innocence or guilt of a specific suspect".
Answer:
Introduced to a new area, spreads rapidly, and displaces native species.
Explanation:
A species is invasive when they were not present in the area before, and once that they are there, they reproduce at a high peace. The fast reproduction rate, which leads to the spread of the species in the area, causes a disbalance in the ecosystem since it eats other species, which are native because they are from that area or other species' food. As a consequence, native species die or are reduced in number because the new species invaded their habitat.
An invasive species is not endemic because they are not native to that particular area. They are always external to this one.
Answer:
The step in gene expression in the drawing model is identified as the step of transcription, in which part of DNA nucleotide is copied into a complementary sequence in RNA.
Explanation:
Transcription is a process that consists of the synthesis of a single strand of mRNA, from one of the DNA strands, which will be used as a template strand.
The enzyme responsible for the transcription process is RNA polymerase which, based on the nucleotide sequence of the DNA strand, will add complementary nucleotides to the mRNA strand following the rule of base complementarity:
<u>If DNA has: Complement in mRNA it is:</u>
Adenine Uracil (no thymine in RNA)
Thymine Adenine
Cytosine Guanina
Guanine Cytosine
In summary, a <u>part of the DNA is responsible for the synthesis of an RNA strand where its nucleotides will be complementary</u>, which is illustrated in the drawing model.
<em> The other options are not correct because replication, reproduction or translation do not correspond to the processes illustrated in the picture.</em>