Answer:
Sexual Reproduction
Explanation:
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Answer:
They use host cell machinery to produce new copies of their genome.
Explanation:
DNA viruses, which are similar to cells, directly employ cellular machinery to perform their process of replication, transcription of their genes, and DNA repair, that is, they use a host cell to make new copies of their genome. Because of this, some viruses have a large genome, such as herpesviruses, which make their own genes and become somewhat more independent of cell metabolism. DNA molecules are found in two forms: linear and circular. Viruses of the polyomaviridae family have small genomes and circular DNA, while herpesviruses have linear dsDNA genomes. Viruses that have single strand genomes do not allow DNA repair.
When molecules or ions move across a membrane against a concentration gradient so that they accumulate on one side of the membrane, they do so through Active transport.
- Active transport pumps molecules and ions against a concentration gradient, in contrast to passive transport, which doesn't need energy and moves molecules or ions down a concentration gradient.
- An organism occasionally needs to move something up or down a concentration gradient.
- This can only be accomplished through active transport, which uses ATP (adenosine triphosphate), which is created during cellular respiration.
- Particles pass through a cell membrane during active transport from a lower concentration to a higher concentration.
- The process of pumping molecules and ions across membranes "uphill" – against a concentration gradient – is known as active transport.
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Mendel did a experiment on them for selective breeding and test the peas and test by giving one set of peas dominant traits that were good and gave another set bad traits