What polysaccharide provides rigidity and strength in plants?

The ocean is called the carbon sink because there is mass amounts of carbon all the way at the bottom. How did the carbon get there?

What structures in the small intestine are lined with capillaries that absorb nutrients?

Antivirals like tamiflu kill the viral cells. True False

Which of the following phases has a variable volume? Solid Liquid Gas All of the above

The blood leaving the lungs in the capillary travels to another blood vessel and then to the heart. What are the names of the blood vessel and part of the heart it will first enter?

Hershey and chase used a dna-based virus for their work. How might the results have been different if they had used an rna virus?

State the function of DNA

How are proteins involved in DNA replication?

Glucose is the primary fuel for cellular respiration. Which molecules can also be used by cellular respiration to generate atp?

Cytochalasin d is a drug that prevents actin polymerization. A cell treated with cytochalasin d will still be able to