The energy source of the sperm for them to swim is the protein breakdown by mitochondria in the midpiece of the sperm.
Mitochondria are double membrane-bound organelles found in the cells. It is said to be the "powerhouse of the cell". They provide ATP as a source of chemical energy for the cells.
The answer is alleles detached from one another during
anaphase of meiosis I, when the homologous pairs of chromosomes separate. During
anaphase I, homologous pairs are drawn apart, and
they go in the direction of the opposites of the cell. Meiosis I finishes
with the manufacture of two haploid daughter cells for the reason that
the homologous pairs of chromosomes have been separated.
Answer:
Keratin has two main functions: to adhere cells to each other and to form a protective layer on the outside of the skin. In epithelial cells, keratin proteins inside the cell attach to proteins called desmosomes on the surface. The desmosomes act as anchors, holding the cells together.
All the options are correct.
1. New ways to preserve and transport blood for blood transfusions were discovered.
2. Blood transfusion safety was improved.
3. Scientists discovered that elements of blood could be separated by centrifuge.
4. Scientists discovered that plasma could be preserved by freezing.
Karl Landsteiner
Karl Landsteiner was the man who discovered some of the human blood types in 1900 and 1901 at the University of Vienna.
Answer:
It led to a wide range of protests by the people which brought about revolution
Explanation:
The ultimate consequences of wealth inequalities during the 18th century was wide range of protests by the people which brought about revolution.
This was because of the high poverty rate and difference between the classes in the society as the rich got richer due to policies which favored them while the poor got poorer due to the bad policies which made them register their displeasure and move for a revolution.
