SUBTERM 2 FINAL- CLICKER REVIEW

Bio-CP

What enzyme makes mRNA?

A. RNA polymerase

B. DNA polymerase

C. Reverse transcriptase

D. Primase

How many chromatids are there in the diagram below?

A. 2

B. 4

C. 8

D. 0

What phase of meiosis is this?A. Prophase II

B. Metaphase I

C. Telophase I

D. Anaphase II

E. Anaphase I

Which of these cells are in metaphase I of meiosis?

A.

B.

A B

What is the name of the indicated structure (green lines)?

A. Centromere

B. Spindle

C. Kinetochore

D. Centrosome

If an organism has 24% adenine (A) nucleotides, what percent of guanine (G) would you expect to find?

A. 24%

B. 26%

C. 48%

D. 52%

E. None of the above

In transcription, _______ is transcribed into _______.

A. mRNA, DNA

B. tRNA, mRNA

C. DNA, tRNA

D. DNA, mRNA

E. rRNA, tRNA

How many chromosomes does a human somatic cell have?

A. 46

B. 44

C. 23

D. 2

Where does translation occur?

A. Nucleus

B. Cytoplasm

C. Mitochondria

D. chloroplast

The following is an example of an autotroph.

A. mushroom

B. Avocado tree

C. Preying mantis

D. Clown fish

Which of the following is inherited as an autosomal dominant condition?

A. Hemophilia

B. Huntington’s

C. Cystic Fibrosis

D. Color-blindness

What is the name of what is circled?

A. mRNA binding site

B. Amino acid binding site

C. Anticodon

D. Codon

An mRNA codon with the sequence ACU would complementary pair with what tRNA sequence?

A. ACU

B. TGA

C. UGT

D. UGA

E. None of the above

How many autosomes does a human somatic cell have?

A. 46

B. 44

C. 23

D. 2

A DNA sequence of CAC codes for what amino acid?

A. Histidine

B. Valine

C. Glutamic acid

D. None of the above

What is the diploid number of this cell?

A. 2

B. 3

C. 6

D. 12

How many chromosomes will one cell have in Metaphase II?

A. 3

B. 6

C. 12

D. 24

How many alleles does a man have for a gene that is found on an autosome?

A. 0

B. 1

C. 2

D. 4

Identify the centromere?

A. 1

B. 2

C. 3

D. 4

Which of the following is inherited as an autosomal recessive condition?

A. Hemophilia

B. Huntington’s

C. Cystic Fibrosis

D. Color-blindness

What process is illustrated and when does it occur?

A. Kinetochore attachment: prophase I

B. Recombination: fertilization

C. Crossing over: prophase I

D. Recombination: prometaphase

Where does transcription occur?

A. Nucleus

B. Cytoplasm

C. Mitochondria

D. chloroplast

How many chromosomes does a human gamete have?

A. 46

B. 44

C. 23

D. 2

The genes of DNA contain the instructions for making ___________.

A. Carbs

B. Lipids

C. Proteins

D. Nucleic Acids

What is the phenotypic ratio of the following cross? Aa x Aa

A. 3 Aa: 1 Aa

B. 1AA: 2Aa: 1aa

C. 3 black: 1 white

D. 1 black: 2 lethal/dead: 1 white

Which of the following genotypes is incorrectly paired with its phenotype?

A. BB-- B-

B. BO+- B+

C. OO+- O-

D. AB+- AB+

Which chromosome is absolutely necessary for an embryos survival?

A. Autosome Y

B. Sex chromosome Y

C. Sex chromosome X

D. All of the above

How many sex chromosomes does a human somatic cell have?

A. 46

B. 44

C. 23

D. 2

When does DNA replication occur?

A. metaphase

B. telophase

C. prophase

D. interphase

What trophic level does the snail occupy?

A. Producer

B. Primary consumer

C. Secondary consumer

D. decomposer

If dad is homozygous Type A and mom is heterozygous Type B, what is the probabililty they will have a child who is type A?

A. 0%

B. 25%

C. 50%

D. 100%

In translation, mRNA is translated into _________, made up of ________?

A. DNA, nucleotides

B. Nucleotides, DNA

C. Proteins, Amino Acids

D. Amino Acids, Proteins

In DNA replication, _________ unwinds/ unzips DNA, ________ adds the new

nucleotides, and _________ joins fragments of lagging strand.

A. DNA Polymerase, Helicase, Ligase

B. RNA Polymerase, Helicase, Ligase

C. Helicase, DNA Polymerase, Ligase

D. Ligase, Helicase, RNA Polymerase

Which of the following is NOT a condition of Hardy-Weinberg?

A. Small population

B. No mutation

C. Random mating

D. No gene flow

E. No natural selection

Where does DNA replication occur?

A. Nucleus

B. Cytoplasm

C. Mitochondria

D. chloroplast

What makes up the backbone of DNA?

A. Nitrogenous bases (A, T, C, and G)

B. 5 Carbon Sugars

C. Phosphate groups

D. Both B and C

E. Both A and B

A change in allele frequency would be most likely in which situation?

A. When an ecosystem is stable

B. After a massive hurricane

C. If a region goes through a severe drought

D. All of the above

E. B & C

If “A” occurs at a frequency of 70% in a population, then how often does “a” occur?

A. 70%

B. 35%

C. 30%

D. 100%

E. 0%

Which of the following is inherited as an sex-linked recessive condition?

A. Hemophilia

B. Huntington’s

C. Cystic Fibrosis

D. Sickle cell

Which of the following is not a heterotroph?

A. mushroom

B. grass

C. Bumble bee

D. whale