Cell differentiation occurs when various genes are expressed to a different extent in different cells. What does it mean for a gene to be "turned off," or not expressed?

What type of rock is likely to form where continental plates collide? A. Extrusive B. Igneous C. Metamorphic D. Sedimentary

How does the chromosome number of a muscle cell compared to that of an egg cell from the same animal?

Bacteria communicate and exchange genetic information through extensions of their cell walls called A) cilia. B) desmotids. C) flagella. D) pili.

What is a major difference between prokaryotes and eukaryotes? prokaryotes have no nucleus. all prokaryotes cause disease. eukaryotes contain more mitochondria. nucleic acids are founds only in eukaryotes.

Passive transport rely on

Which statement is true about a liquid but not a gas? Question 7 options: A. It has more internal energy than the solid state. B. It has close to a constant volume as pressure is applied to it. C.

Ryan accidentally drops a very heavy object on his foot. In a matter of just a few seconds, he feels a tremendous amount of pain. He experienced the pain quickly because neurons rapidly carries the impulse to the brain.

What r 5 main reasons for getting a nosebleed

How does mccandless compared with the other wanderers?

If an individual inherits two of the same alleles, either both recessive or both dominant for a particular trait, the inherited genotype is what