What determines how the homologous chromosomes line up during metaphase 1 of meiosis?

What is any change in the DNA sequence called?

Why cut roses died in salt water, vinegar water and clear water and survived longer in the sugar water?

Which of the following techniques is used by researchers to carry out DNA replication in vitro? A. Northern blotting B. DNA fingerprinting C. Polymerase chain reaction

Is the study of the muscle movements in the human body an example of biology or of physics? Explain

Which of the following is an example of a long term change to ecosystems

A segment of dna that codes for rna and a protein is a

For older adults and previously inactive individuals, exercise intensity should fall closer to what percentage of the maximal heart rate?

Colleen has been advised by her physician to avoid taking high-dose supplements of certain vitamins because they can accumulate to toxic levels in her body. which vitamins?

In 1865, a biologist, St. George Jackson Mivart, constructed an evolutionary tree of existing primate species with many branches based on analysis of spinal columns. But to his dismay, another tree based on limb comparison was quite different.

How does the amount of rainfall affect the amount and types of seeds present on the Galapagos Islands?