True, this is because Darwin realised that organisms best suited to their environment are more likely to survive and reproduce, passing on their characters to their offsprings.
Lipids serve in the storage of energy, as a structural component of hormones, and also as signalo g molecules
Heroin is an opioid drug composed of morphine, a natural alkaloid derived from extracts from the seeds of the opium poppy. It is for that reason that heroin is considered a semi-synthetic opioid.
- HEROIN causes euphoria followed by agitation, and is the major opioid drug of abuse.
- Heroin is a drug that causes addiction, a form of substance use disorder.
- This drug (heroin) is capable of entering the brain quickly and producing immediate effects.
- The feeling of euphoria caused by heroin is followed by a period of sedation because heroin (as well other opioids) sedates the brain.
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Answer:
double helix
Explanation:
The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.
