What two organelles are thought to be a result of endosymbiosis

Describe the current beliefs on why people age.

color blindness is caused by an x-linked recessive gene. a color blind man and a woman with normal vision whose father was color blind have a son. the probability that their son is color blind is?

A science student makes the following statement. Based on the data, we determined that plant growth is affected by the type of soil. What is the student doing? A. Making a prediction B. Forming a hypothesis C. Collecting data D. Drawing a conclusion

When is parasympathetic division working?

What would you expect to see on the eeg record of a person who is engaged in an episode of sleepwalking?

Mendeleev organized the chemical elements based on their

Define and give 2 examples of haploid cells

Homologous chromosomes are similar in all of these characteristics except:

1. What does it mean to say that bones articulate with each other?

Suppose the probability that a major earthquake occurs on a given day in Fresno, California, is 1 in 10,000. a. In the next 1,000 days, what is the expected number of major earthquakes in Fresno? b.