CPbio Final Quizzez

What did Mendel conclude about genes from parents to offspring?

• Offspring inherits two copies from the dominant parent.

• Offspring inherit one allele from each parent so the offspring end up with 2

• Offspring inherits two copies from each parent

• Offspring inherits one copy from the recessive parent.

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What is the source of all cells in a mature tree?

• They begin as single-celled organisms that form interactive groups.

• Pre-existing cells from mitosis and from nonliving parts.

• The cells are assembled from nonliving parts.

• Pre-existing cells produced more cells through mitiosis.

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NGSS.HS-LS1-4

Chargaff's rule states that the amount of adenine equals the amount of thymine, and that the amount of guanine equals the amount cytosine. How does the structure of DNA explain Chargaff’s rule?

• On the double strand, A bonds with T, and G bonds with C

• One strand only has A and T while the other has C and G.

• A with G, and T with C

• Each nucleotide is made up of a nitrogenous base.

A cell is placed in an isotonic solution. How does the cell maintain homeostasis in this environment?

• There is no movement of water molecules into or out of the cell.

• Water will move across the cell membrane to the inside.

• Water will move across the cell membrane to the outside.

• Water will move across the cell membrane in both directions maintaining equilibrium.

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How is DNA involved in the production of proteins?

• Ribosomes “read” the DNA and translate into amino acids.

• DNA is transcribed into mRNA then goes to the ribosomes and tRNA brings the amino acids.

• The mRNA is transcribed into tRNA

• DNA is transcribed into tRNA then goes to the ribosomes that have amino acids.

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NGSS.HS-LS1-1

Mendel was a careful researcher who studied the inheritance of certain traits in garden peas. What are some of the research practices Mendel used?

• He crossed mixed-breeding banana plants.

• He allowed eggs to be fertilized only by self-pollination.

• He analyzed his data mathematically.

• He did not control variables, so he was not sure of his results.

Which of these subjects is MOST LIKELY to be studied in ecology?

• the method of water transport in a tree

• a comparison of muscle cells among birds and reptiles

• the circulatory system of earthworms

• the interaction between populations of wolves and deer

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Which of the following structures are typically present in BOTH plant and animal cells?

• cell walls

• large central vacuole

• chloroplasts

• mitochondria

When must DNA replication occur during the cell cycle for each daughter cell to receive a complete copy of DNA?

• Before mitosis.

• After mitosis

• During G2.

• During G1.

What would happen if a cell divides BEFORE DNA replication is completed?

• Daughter cells would receive incomplete genetic information but would regain it later.

• Daughter cells would receive incomplete genetic information but be fine.

• Daughter cells would contain all genes of the parent cell but would not function normally

• Daughter cells would receive incomplete genetic information and never regain it.

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