A cell has a defect that results in the loss of its ability to regulate the passage of materials such as water, food and wastes into and out of the cell. In which of the following cell structures is this issue most likely to be found?
a. Ribosomes
b. Cell membrane
c. Chloroplasts
d. Endoplasmic reticulum

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?