A researcher analyzes two different cell samples, A and B, by first using a mild detergent to rupture the cell membrane in each sample and release the contents of the cells. Next, the researcher uses a centrifuge to spin and separate the contents of each sample by density, then records and analyzes the results in a data table.
What can the researcher interpret from an analysis of the data about Sample A and Sample B?
Explain two important processes depending on osmosis in the body
In the background story about Mary and Kevin and their baby, what caused the baby to the genetic disease called Tay Sachs? Choose the option that very precisely answers the question. a. The protein that did not digest fat in the brain b. The gene that did not digest fat in the brain cThe gene that did not allow the brain to grow d. The mutated gene that produced the protein that did not digest fat in the brain
Answer the following questions briefly.
1. How does water and minerals transported from the roots upward to very tall trees?
2. How does carbohydrates produced in the leaves transported to all the plant body?
Answer in brief but concise
1.Name in order the passage of air from the environment to the lungs.
2.Describe the process of gas exchange between the blood and alveoli of the lungs.
A plant with genotype MmNN is self-fertilised. What is the genotypic ratio of the offspring
A pea plan with a dominant trait is crossed with a recessive individual. Their offspring have only one phenotype. What do you think explain this outcome
answer the following guide questions:
1. How do scientists classify organisms?
2.Why is classification necessary in the study of biology?
3. What will happen if a taxonomic classification system does not exist?
4.What is the importance of classification in our daily life?
why can't moss spread without water?