Answer:
The organisms at the base of the food chain are photosynthetic.
Explanation:
Answer:
<em>They will have a large number of genetic variations.</em>
Explanation:
Genetic variations arise due to sexual reproduction or due to the process of meiosis.
Cross-pollination can be described as a process in which the pollen of one flower is transferred to another flower. The pollen when fertilizes the egg in the stigma, will produce offspring with varied genetic characteristics. This will be because the pollen would carry the trait of another flower and the egg of another flower. This will lead to many genetic variations.
The lac repressor protein is bound to the operator region of the lac operon when there is no lactose in the medium. When introduced in lactose, it binds to an allosteric site on the repressor causing its to change conformation and release from the operator. This allows the polymerase that is bound to the promoter region to proceed transcription of the lac operon genes (LacZ, Lac A, and Lac Y). Translation of these genes forms enzymes that enable the organism to break down lactose for energy.
Explanation:
Receptors = Sensory neurons
Relay = Relay neurons
Effectors = Motor neurons
Cell bodies of sensory neurons are only found in the root ganglion. (F)
Cell bodies of relay neurons are only found is the grey matter of the spinal cord. (G)
Cell bodies of motor neurons are also found at G.
Hence the answer is Option D.
Answer:
Density and solubility are similar because they both involve water, but they are different because density involves dissolving a material and solubility involves floating or sinking a material.
Explanation:
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