byu bio pt1 final

meiosis

Gametes (sex cells) are produced by the process of ________.

begin with diploid parent cells that have chromosomes duplicated during the previous interphase

Mitosis and meiosis both ________.

bacteria

An example of a prokaryotic cell is ________.

Salt contains a positive and negative charge.

Why does salt dissolve easily in water?

Mitosis

What type of cell division creates cells that are genetically identical?

carbohydrates

John Smith is running a marathon tomorrow. Which macromolecule should he eat for dinner the day before the marathon in order to have plenty of energy?

All living things are made of cells

Which statement is part of the cell theory?

30%

Ray had his DNA sequenced and found that 30 percent of his DNA is made up of the nitrogen base adenine. What percent of his DNA would you expect to be made of thymine?

chlorophyll

What is the name of the main pigment that the plant cell needs to do photosynthesis?

What is the correct order for the steps of mitosis?

What is the correct order for the steps of mitosis?

Uracil

RNA is different from DNA because it contains ________.

Meiosis II

Which stage of meiosis is most like mitosis?

CO2 levels would decrease

Which of the options below would be most likely to happen if plants were added to a clear container (so sunlight can get through) that had a lid placed on top?

lipids

Which of the four types of macromolecules contains glycerol and fatty acid tails?

nucleotides

Nucleic acids are made of small repeating units known as ________.

split water into hydrogen and oxygen

When light strikes chlorophyll molecules, they use the energy to do what?

glucose

The starting molecule for glycolysis is ________.

to create usable energy from glucose

What is the purpose of cellular respiration?

active site

When an enzyme is put in an environment where the pH is too low, the enzyme becomes denatured and is no longer effective. Denaturation changes the shape of the ________.

basic

A substance with a pH of 9 would be ________.

The change could alter the amino acid sequence of the protein.

Which of the following statements best describes why the change in only 1 DNA base of a gene may result in a different protein being made?

adenine, guanine, cytosine, thymine

The four nitrogen bases found in the DNA molecule are ________.

What does the smooth endoplasmic reticulum do within a cell? Use the image of a cell as an aid to help match the organelle to its function.

What does the smooth endoplasmic reticulum do within a cell? Use the image of a cell as an aid to help match the organelle to its function.

What is the function of nucleic acids?

What is the function of nucleic acids?

organ system

A group of organs performing a function is a(n) ________.

produce lipids for other cell compartments, break down toxic organic compounds in the cell

What does the smooth endoplasmic reticulum do?

amino acids

Proteins are made of ________.

One chromosome comes from your mother and the other chromosome comes from your father.

Homologous chromosomes are pairs of similar chromosomes. What is another way to word this?

Water moves into the cell.

What happens when a cell is placed in pure water?

Animal cells have ribosomes and plant cells do not.

Which of the following statements is NOT one of the major differences between plant and animal cells?

carbohydrates are produced

What happens at the end of the Calvin cycle?

lipids

Which of the four types of macromolecules contains glycerol and fatty acid tails?

nucleus

Transcription occurs in the ________.