Answer:
C. It can be an advantage it is typically associated with a fast growth rate.
Explanation:
B is incorrect because asexual reproduction does not require a partner.
D is incorrect because with asexual reproduction the offspring is genetically identical to its one parent, so there is no genetic diversity.
Answer:
Vaccination is a form of artificial immunity. By artificially stimulating the adaptive immune defenses, a vaccine triggers memory cell production similar to that which would occur during a primary response.
___subunit vaccine: D. The gene for hepatitis B
___inactivated vaccine: A. Weakened influenza
___toxoid vaccine: C. Influenza virus particles
___live attenuated vaccine: B. Tetanus toxin m
Answer:
These are the Reticular Activating system
Explanation:
These are network of neurons that occupy lager areas of the brainstem. They are located between the brain stem and the cortex.These neurons projected anteriorly into the hypothalamus, posteriorly into the thalamus to form the ascending RAS and emerged directly into the cortex.
Generally,the RAS is made up of 4 components.These are each made up of group of nuclei .The latter are simultaneously activated by the lateral hypothalamus,which cause the release of neurotransmitters that cause the modulatory effects produced by the entire RAS
Their major function is the control of sleepiness and wakefulness in individuals.It does this with the interactions with a lot of neurotransmitters present in the brain.
Besides the above functions the RAS is also responsible for the control of focus, stability of muscles tone.
Various species of the flowering plant of the genus <em>Chrysanthemum </em>have 18, 36, 54, 72, and 90 chromosomes. The variation is likely due to polyploidy.
<h3>What is polyploidy?</h3>
Polyploidy can be defined as the number of complete sets of chromosomes in a given cell of an organism.
A diploid organism contains two complete sets of homo-logous chromosomes in its somatic cells.
Many organisms used polyploidy as an evolutionary strategy for adaptation to challenging environmental conditions.
Learn more about polyploidy here:
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