All cells are surrounded by a membrane. Which is a characteristic of a cell membrane?

Question 5 options:

It is square.

It is semipermeable.

It is weak.

It is rigid.

Which is a common complication of gonorrhea and chlamydia?

One effect of desertification is a. decreased amounts of salt in the soil b. increased amount of vegetation c. increased chance for erosion d. increase in average rainfall

Why is every offspring unique?

Which of these is not part of our solar system. A asteroids B. black holes C. stars D. Planets

Suppose 2 people smoke 5 cigarettes a day for 20 years. one develops lung cancers. will the other person definitely develop lung cancer as well?

How does evolutionary history lead to biodiversity

3. Large molecules and wastes move through the membrane through

Josiah says this is a phylogenetic tree of the dinosaurs. Maleek says it is a cladogram of the dinosaurs. Who is correct? Josiah is correct. Maleek is correct. Both are correct. Neither is correct.

Classify each description as a property of dna only, rna only, or both dna and rna. note: if any part of this question is answered incorrectly, a single red x will appear indicating that one or more phrases have been placed incorrectly.

Organisms reproduce following several patterns. Some organisms produce few offspring and provide parental care. Other organisms produce many offspring but provide little or no parental care.