Lesson 2: Biology Semester B Test

Bismuth is a nontoxic metal that is used in pharmaceuticals and chemicals. bismuth has a simple cubic unit cell. how many atoms of bi are present in each unit cell?

Individuals with Huntington's disease possess an allele that causes severe symptoms by a. replacing pairs of chromosomes. b. halting the process of gene expression. c. producing certain abnormal proteins. d. regulating the sequences of nucleotides.

Explain whether carbon-14 can be used to find the ages of rocks.

Fossil Fuels are often described as non-renewable energy sources. What are they called 'Non-renewable'?

Researchers recently discovered an exquisite fossil of a fern (land plant) in sweden. the plant was preserved instantaneously when buried in a lava flow.

1. What is a reproductive process in which a cell's genetic information is duplicated and then divided to produce a single identical daughter cell from an outgrowth of a larger parent cell? A. production of spores B. budding C. binary fission D.

True or false? biologists studied the effects of forest fragmentation by calculating the difference between the amount of plant biomass in the edges of forest fragments and the interiors of unfragmented forest.

This is an organ in the digestive system which transports waste out of the body and absorbs water from the waste before it leaves the body.

Which two actioms happens when bonds in ATP moecules are broken

Explain how inherited cancer alleles can lead to a predisposition to certain cancers.