Answer:
antibiotic resistant is a consequence of evolution via natural selection. the antibiotic action is an environmental pressure;those bacteria which have a mutation allowing them to survive will live on to reproduce
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your answer should be “interspecific competition”
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Answer: Option B) each parental strand serves as a template for the synthesis of a complementary strand
Explanation:
In semi-conservative DNA replication,
- a parent double-stranded DNA splits in two.
- Each strand is then read by the enzyme, DNA polymerase, to ensure accurate replication of a newly synthesized strand
- the new strand contains nucleotides that are complimentary to free nucleotides present in the parent strand.
Thus, option B perfectly describes semi-conservative replication of dna
Answer:
A particle with jagged, rough ends has a high rate of deposition.
Explanation:
When erosion takes place, the particles of rocks move from one place to another and then they get settled on the new place. Those particles which have round shaped ends cannot settle quickly because they can be easily pushed by air and again moved but particles having rough ends get stuck in the soil or surface of earth and they are settled quickly.
Answer Prophase
Explanation:
Mitosis is the cell division for growth and development of organisms. It is a cell division for renewal of dead cells and mutiplication of cells. It is made up of 5 phases of
Interphase
Prophase,
Metaphase
Anaphase
Telophase. Interphase is a preparatory phase where visible activities are not recorded.
At Prophase stage :the duplicated mother chromosomes become condensed, noticeable and compact.
They carry exactly mother's chromosomes and carry the heritable characters .