Most scientific investigations are driven by the desire to answer a question.

True

False

What is the tiny body that contains chlorphil

Which of the following does NOT occur during mitosis? a. centromeres split b. chromosomes replicate c. spindles form

Which of the following soil types is richest in organic material? A. Yellow soil B. Blue soil C. Dark-colored soil D. Red soi

When using radiation, such as UV light, to control microbial growth A) longer wavelengths are more effective B) shorter wavelengths are more effective. C) wavelength is not a factor for UV radiation. D) all wavelengths are equally effective.

A neuron relays its messages to other neurons over a junction or space called the

Styrofoam is very brittle. what will you expect to find when you examine the hardness of styrene

A 14-month-old toddler is able to recognize the shapes of objects and fit smaller boxes into larger boxes. which type of cognitive development does this action indicate?

In humans, having wet earwax is a dominant trait. Having dry earwax is recessive. A Man has recessive allele and one dominant allele. What is his phenotype?

Chromosomes condense at the start of mitosis so that they can be more easily between the two nuclei

A brown dog is crossed with two different black dogs. The first cross produced only black dogs and the second cross produces equal numbers of black and brown dogs. What is the genotype of the brown dog? the first black dog? the second black dog?