3. Cells that have a high energy requirement generally have many? 4. Viruses, bacteria, and old organelles that a cell ingests are broken down in?
5. Organelles that are surrounded by two membranes and contain DNA are the?
6. what roles do membrane proteins play in making the cell membrane selectively permeable?
7. what are the ribosomes made of? What cellular function are they involved in?
9. what is the cytoskeleton, and what are two of its major components?
10. Describe the structural organization shared by Cilia and flagella?

a symbiotic relationship with the mitochondria

protistas excret ethanol used in the manufacture of vinegar

ans.

in united states (us), the first leading cause of death for both women and men is heart diseases that leads to more than half of the deaths. heart diseases develop due to narrow arteries, buildup of plaque in blood capillaries that arises difficulties in blood flow.

the second leading cause of deaths in us is cancer that affects individuals of all ages. it develops due to uncontrolled growth and spread of tumor cells, which results in death if the not controlled or treated.

the third leading cause of deaths in us is copd or chronic obstructive pulmonary disease. it includes difficulty in breathing, chest infections, and persistent cough. smocking is a leading cause of copd and around 80% of copd deaths occur due to smoking.

thus, the correct answer is 'option). cancer, copd, and heart disease.'