All of the following are true about DNA replication except ___.

It occurs during the S-phase of the cell cycle

It allows daughter cells to have exact copies of the genetic code

It reduces the chromosome number by half for the production of gametes

Generates excessive DNA, which eventually causes the nucleus to divide

Produces mRNA and tRNA molecules

Produces two molecules, each of which is half new and half old DNA joined lengthwise to each other

All of these are functions of DNA polymerase

Adds new nucleotides to the template strand

Proofreads DNA strands to see that they are correct

. In step b, the original strands have separated because ___.

Hydrogen bonds between the bases have broken

DNA polymerase has stopped functioning

Water hydrolyzes the bases into their subunits

Bases naturally repel each other

When step d is completed, the two DNA molecules formed will be ___.

Identical to each other and to the parent

Identical to each other but not to the parent

Identical to the parent but not to each other

Different from each other and from the parent

Which is a characteristic of cancer?

rapid and uncontrolled cell growth

cell growth delayed at the G 1 checkpoint.

cell growth delayed at the G 2 checkpoint.

Why do cancer cells not respond properly to cell signals and controls?

damage to a cell’s sister chromatids

damage to a cell’s wall and membrane

The genetic code is nearly universal. That means, with few exceptions, the same codons code for the same amino acids in all organisms. What does the near universality of the genetic code suggest?

All life-forms have a common evolutionary ancestor.

All life-forms can reproduce with one another

All life-forms have the same number of genes.

All life-forms arose about the same time in Earth’s history.

The intersection of the left, top, and right nitrogenous bases indicates which amino acid a mRNA codon represents. This is true for all organisms. This indicates that the ___.

We, as organisms, differ only in our sequence of bases

The genetic code determines the sequence of amino acids making up a protein

What do all of these organisms have in common?

Organisms have all of above in common

Components that make up the genetic code

Traits that are determined by genes that are translated into proteins

Organisms have all of the following in common except ___.

The same components that make up the genetic code

Traits that are determined by genes that are translated into proteins

Sequence of nitrogenous bases in the genetic code

Which sequence depicts the correct order of protein synthesis within a cell?

DNA → mRNA → amino acids → proteins

DNA → amino acids → mRNA → proteins

DNA → mRNA → proteins → amino acids

DNA → proteins → amino acids → mRNA

Which molecule is paired with its correct role in protein synthesis?

Nucleus – forms peptide bonds

Ribosome – carries DNA instructions

Which best describes the interaction between DNA and RNA during protein synthesis?

RNA carries the code from DNA in the nucleus to the ribosome for protein synthesis

RNA carries the code to the nucleus where DNA translates the code into a protein

DNA travels to the ribosome where RNA translates the code into a protein

DNA travels to the cytoplasm while RNA remains in the nucleus

Biology EOC Review Set 2

Authored by Jennifer Bradley

Biology

9th - 12th Grade

NGSS covered

Used 1K+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What best describes the genetic material shown in photograph B.

The chromosomes are in anaphase

The chromosomes are in metaphase

DNA is possibly being replicated

The genetic material is around the poles and cytokinesis is occurring

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All of the following are true of the cell cycle shown in the diagram except ___.

A, B, and C represent interphase

DNA is replicated at B

Cytokinesis and new daughter cells are found at E

Mitosis and cytokinesis are represented by D

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following are true of the cell cycle?

The cell spends most of its time dividing

The cell spends most of its time growing

Replication of DNA occurs at M

Cells enter G₀ after M

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

When is DNA replicated during the cell cycle?

During the G₁ phase

During the G₂ phase

During the S phase

During the M phase

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What best describes the genetic material shown in photograph E.

The chromosomes are in anaphase

The chromosomes are in metaphase

DNA is possibly being replicated

The genetic material is around the poles and cytokinesis is occurring

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In DNA replication, complementary base pairing occurs between ___.

Cytosine and uracil

Adenine and guanine

Adenine and uracil

Adenine and thymine

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What best describes the genetic material shown in photograph A.

The chromosomes are in anaphase

The chromosomes are in metaphase

DNA is possibly being replicated

The genetic material is around the poles and cytokinesis is occurring

Tags

NGSS.HS-LS1-4

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