Down syndrome is a genetic disorder that is also called trisomy 21. A person with Down Syndrome has an extra copy of chromosome 21. What can you infer is most likely the genetic mutation that results in Down syndrome?

The australopithecus lineage went extinct аbout:

Which type of burn injury is characterized by an entrance wound and an exit wound?

A group of students is reviewing class material on sexually transmitted infections in preparation for a test. The students demonstrate an understanding of the material when they identify which of the following as the cause of condylomata? a.

Describe an event that must occur in order for diamond

3. Which structures in the nasal cavity remove some bacteria and dust from outside air before it enters the lungs?

A marine biologist observed an organism. It had openings on its body through which food particles and water passed. Which phylum does the organism belong to? Cnidaria Porifera Platyhelminthes

Ependymal cells line many open cavities in the central nervous system (cns. ependymal cells have cilia on the side of the cell that face these openings. what is the most likely function of these ciliated cells?

The Sun is the source of

No, the plant cell dose not have ribsomes

How are somatic system cells different from embroyic stem cells?