If there are 12 sister chromatids in a cell, how many centromeres are there?

a. 12

b. 24

c. 6

d. 36

You are hiking through a wooded area when you come across a cave. Since it is a hot afternoon, you decide to take a break inside the cool shade of the cave.

What science tool makes an object appear larger than they really are?

What is the relationship between adaptation and natural selection

Which organelle converts the chemical energy stored in food into compounds that are easier for the cell to use? a chloroplast b golgi apparatus c mitochondrion d endoplasmic reticulum

3. How are excretion and homeostasis connected? O A. Cells are able to maintain homeostasis by excreting materials. O B. Cells are able to maintain excretion through homeostasis, O C. When cells excrete materials, they remove them from the cell. O D.

You have learned that variable costs change depending on the amount of the product the company is providing. Fixed costs are the same no matter how much of the product or service the company is providing.

What's the 2 characteristics of motion that can be changed by force?

In yeast, one haploid strain is unable to synthesize uracil but able to synthesize leucine, while another haploid strain is able to synthesize uracil but not leucine.

What is the role of ubiquitin in host cells be specific?

How much energy is available at that there tropic level at the first traffic level has 300,000 kcal available energy?