CH 11-12 QUIZ

During photosynthesis the cell uses the energy in sunlight to make _________.

Food Glucose

What part of the leaf captures energy from sunlight?

Chloroplast Chlorophyll

What are the REACTANTS of photosynthesis? (ingredients)

Water and Carbon Dioxide

Sugar and Oxygen are the PRODUCTS of photosynthesis.

Cellular ________ releases most of the energy in glucose and takes place in the mitochondria.

Respiration

Respiration and photosynthesis keep the atmospheric levels of carbon dioxide and ______ constant.

OXYGEN

Lactic-acid _________ is most likely to occur after the body cannot meet the oxygen demands of the cells.

Fermentation

What is copied during the replication period of interphase?

DNA

The stage of the cell cycle where the cell splits into two daughter cells is called _______

Cytokenisis

Gregor Mendel cross pollinated ___ ______ to study different characteristics in his genetics experiments?

Pea Plants

An organism that has two different alleles for a trait … Ex: Tt or Ff

Hybrid or Heterozygous

A _____ square shows all the possible outcomes of a genetic cross.

Punnett

The physical appearance or expression of the genetic code.

Phenotype Physical Appearance

Reproductive cells contain ______ the number of chromosomes.

HALF

In the DNA molecule A pairs with T and C pairs with _____

C pairs with G

The order of nitrogen bases along a gene is called the _____ ____ The order of nitrogen bases along a gene is called the _____ ____. ex: ATC CGG AGC

Genetic Code

_______ RNA copies the genetic code message from the DNA and carries it out of the nucleus.

Messenger RNA Similar to sending a message to another phone.

A _______ can be a helpful change to genetic code if it increases the chance of survival.

Mutation

_______ are synthesized from individual amino acids on the Ribosome?

Proteins

Phenotype = Physical Appearance Genotype = ________________

The actual Genes Dom or Rec FF or Ff or ff

Adenine, Thymine, Cytosine and Guanine are found in DNA Adenine, Thymine, Cytosine and Guanine are found in DNA. Uracil is found in _____.

RNA Uracil replaces Thymine

Open to Page…392 _______ is the stage where chromosomes line up along the middle of the cell.

Metaphase “Middle”

Chromosomes begin to spread apart during this stage of the cell cycle.

Anaphase !!!!!! “Apart”

Review ALL of the stages of the Cell Cycle.

What trait is controlled by the Dominant Allele?

Yellow

What are the chances for a green pea pod?

25% Green 75 % Yellow

What is the Phenotype of the Recessive trait?

White Petals Purple is Dominant in this cross.

Review all of Chapters 11 and 12. Focus on Vocabulary !

Pages 404 and 438 are study guides for each chapter.