Answer:
Cells contain DNA that controls the production of proteins. (2) DNA is composed of proteins that carry coded information for how cells function. (3) Proteins are used to produce cells that link amino acids together into DNA. (4) Cells are linked together by proteins to make different kinds of DNA molecules.
Explanation: Hope this helps!! :)
Answer:
B. All offspring will show the dominant phenotype for this trait.
Explanation:
At least one dominant alelle will be present in all the offspring of the f1 generation, and since it is dominant, it will overshadow the recessive alleles.
Answer:
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Plants are photosynthetic. So, they prepare their own food by using raw materials from atmosphere like CO2, H2O and sun’s energy. CO2 is the carbon source for the synthesis of glucose through array of enzyme catalysed biochemical reactions taking place in chloroplast of plant cell.
Animals are heterotrophic in nutrition. So, they get energy; i.e. glucose from the food they eat. It depends on what is their food source. For example, herbivorous animals eat variety of plants, starch and cellulose of which become glucose source. Carnivorous animals eat other animals, whose stored glycogen or fat becomes energy source for them.
I think the hydra lacks the specialized cells for touch and chemical detection. On the other hand earthworms have touch, light, vibration and chemical receptors along the entire body surface. Both of them are invertebrates (those animals without a backbone), they include insects, worms, jelly fish, spiders among other animals.