by dehydration synthesis
Cells build carbohydrate polymers by using energy to form glycosidic linkages, the bonds between monosaccharides. A dehydration synthesis reaction forms a bond between carbon atoms in two monosaccharides, sandwiching an oxygen atom between them and releasing a water molecule.
Answer:
Cell
Explanation:
Robert Hook is considered to be a pioneers in the field of Micro and cell biology. He was the person who discovered miscroscope that was a source of helping in discovery of several future breakthrough researches in the field of cell biology. During his experiment that lead to the invention of microscope, Hook carefully controlled the height and angle of the microscope by giving it the right illumination sources. He first of all examined the bark of trees where he could see small structures which he named as cell. In subsequent years after the discovery of microscope, scientists were able to learn more about cell and even subcellular organelles with their functions.
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Answer:
dead animals and plants
Explanation:
when animals and plants died with the dinosaurs there bodies were reduced to the oil and coal we have today
Answer:
The correct answer is - B. Non-disjunction during sperm formation resulted in her receiving no sex chromosome from her father and an X chromosome from her mother; she is XO.
Explanation:
In this case, the mother was a carrier of hemophilia and she transfers that mutant allele to her daughter and as the daughter did not get any sex chromosome from her father.
Therefore, mutant X expresses itself and she is hemophilic.
This X did not express in case, of her mother due to fact that it is a recessive allele and only expresses when both genes is the same state.
Cells could sense and respond to electromagnet signals such as light and mechanical signals such as touch. Cells often communicate with each other using chemical signals.