<u>Answer</u>:
1.a) Species. It is the lowest taxon and represents the scientific name of the organism.
b) The species name is part of the binomial system of nomenclature developed by Linnaeus.
Thus it is composed of two parts each with its own writing rules (ex. gray wolf - <em>Canis lupus</em>):
A. the genus or generic name
- written first
- always underlined or italicized
- the first letter is always capitalized
ex. <em>Canis</em>
B. the specific epithet or species name
- is written second
- always underlined or italicized
- never capitalized
ex. <em>lupus</em>
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2. The results should always be the same. A dichotomous key is an identification tool based on a series of choices between alternative characters (dichotomous = divided into two parts). Thus, there is no room for subjective observation that may lead to another result. If the morphological traits of the organism are correctly identified, the the result should always be the same. Any differences occur due to errors on the scientist's part.
kidney failure<span>, </span>cancer, and infectious disease such as FIV <span>Cats also suffer from hyperthyroidism, which causes high blood pressure, inflammatory bowel disease, </span>diabetes<span>, arthritis, and dental disease.</span>
Answer:
D) An original parent DNA strand and one newly synthesized DNA strand comprising a new DNA molecule.
Explanation:
- Semi-conservative replication refers to two strands of DNA unzip, and a new strand is assembled onto each 'conserved' strand.
- The replicated double helix consists of one old strand and one newly synthesised strand.
- It describes the structure of DNA, a twisted helix of two strands with bases joining the strands.
Answer:
c
Explanation:
Uracil is not used in DNA. it is only used in DNA.
The lytic cycle of a virus involves the death of host cells, while the lysogenic life also involves attachment, entry and integration but it does not cause the death of host cells.
<h3>What are the lytic cycle and the lysogenic cycle of a virus?</h3>
The lytic cycle and the lysogenic cycle of a virus represent different adaptive mechanisms to perpetuate that viruses have, which may involve the death of the host cell as occur in the lytic cycle.
The phases of the lytic cycle in viruses include:
- Attachment and entry
- Transcription of the viral sequence
- Maturation
- Lysis of the infected bacteria
The phases of the lysogenic cycle in viruses include:
- Attachment, entry
- Genome integration
- Maturation of the viral components
- Cell division
The host cells die in bacteriophages after the lytic cycle, while they may survive or not (it depends on the manipulation of the hots cel's molecular machinery) after the lysogenic cycle.
Therefore, with this data, we can see that the lytic cycle and the lysogenic cycle of a virus are distinct in the sense that the lysogenic cycle does not involve the death of host cells.
Learn more about the lytic cycle and the lysogenic cycle here:
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