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Online Biology > Cumulative Speedback Assignment #2 > Flashcards

Cumulative Speedback Assignment #2 Flashcards

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1
Q

Prior to Gregory Mendel’s discoveries concerning the laws of inheritance, which of the following scenarios was most widely accepted?

  1. All of the offspring between a tail father and a short mother would be tall.
  2. The majority of the offspring between a tall
A

If there was a tall father and a short mother, the offspring would be of medium height.

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2
Q

A fish tail and a dolphin tail are examples of what type of evolutionary evidence?

A

Analogous Structure

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3
Q

Where are Okazaki fragments found?

A

The Lagging Strand

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4
Q

Which of the following concern was discussed in the article about genetic testing?

A

You could lose your job and healthcare.

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5
Q

How many chemical bonds from between adenine and thymine when they are bound in DNA?

A

Two

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6
Q

What is the product of translation?

A

Protein

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7
Q

What is the purpose of transcription?

A

To copy a section of a DNA.

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8
Q

Why are fewer women hemophilic than men?

A

They must have a father with hemophilia and at least a carrier mother.

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9
Q

What happens during telophase?

A

The cell membrane begins to divide.

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10
Q

Which concept is part of Chargaff’s rules?

A

Purines must bind to pyrimidines for DNA to be structured properly.

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11
Q

In a cross between two plants that have a GgTt genotype, how many of the offspring will express a phenotype of yellow and tall?

A

Three

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12
Q

What type of mutation is in the following DNA sequence?
Orignal: ATCGATCGCGAT
Mutate: ATCGAACGCGAT

A

Point

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13
Q

What is a difference between anaphase 1 of meiosis and anaphase of mitosis?

A

In meiosis, homologous pair are separated, whereas in mitosis, sister chromatids are separated.

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14
Q

Where does photosynthesis take place in the cell?

A

The chloroplast

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15
Q

What was Darwin’s profession?

A

Naturalist

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16
Q

What is the goal of eusocial organisms?

A

To make sure that siblings survive.

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17
Q

In a cross between YyRr and yyRR, which genotype represents a recombinant offspring?

A

yyRr

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18
Q

The letter below represent the order of the genes found on a strand of DNA. What type of mutation has occurred between the normal strand and the mutated strand?
Normal: ABCDEFGHIJ
Mutation: ABCDCDEFGHIJ

A

Duplication

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19
Q

What is the smallest unit of living thing?

A

Cells

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20
Q

Which of the following is an example of a homozygous, recessive genotype?

A

rr

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21
Q

Which protein determines whether blood type is positive or negative?

A

Rh

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22
Q

Which of the following is codon?

A

GCA

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23
Q

If two species cannot reproduce because they breed at different times, what type of isolating mechanism is in place?

A

Temporal

24
Q

What is the function of ribosome?

A

To read mRNA to assemble protein.

25
Q

According to the idea of incomplete dominance, what is the probability of getting a pink flower from a cross between a pink flower and a red flower, with red being dominant?

A

50%

26
Q

What happen in DNA replication after the original strand has separated?

A

The corresponding base pair are laid.

27
Q

Who conducted the first experiment showing that plants change the composition of the air?

A

Joseph Priestly

28
Q

What would you expect the sex chromosomes for a male bird to be?

A

ZZ

29
Q

What must an organism do to be considered successful according to natural selection?

A

Reproduced the most healthy offspring during their lifespan.

30
Q

Which scientist discovered that the bases were located on the inside of the double helical structure of DNA?

A

Rosalind Franklin

31
Q

Which process happens during interphase?

A

S Phase

32
Q

What are the end products when protein undergo hydrolysis?

A

Amino Acids

33
Q

What term describes a change in which as less favored form of trait becomes a favored trait?

A

Directional Selection

34
Q

What is the founder effect?

A

s

35
Q

Which of the following is true regarding the number and types of organelles in a given cell?

A

The job of the cell primarily determines the number and type of organelles

36
Q

Which is an example of vestigial feature in humans?

A

Wisdom Teeth

37
Q

What is the probability of woman with type AB blood and a man with type O blood having a child with type A blood?

A

50%

38
Q

Some fatty acid chains have a link or bend in their chain. What creates this bend?

A

A Double Bond

39
Q

What characteristic describe the autosomal dominant disorder achondroplasia?

A

Shortened Limbs

40
Q

Which of the following cause evolution?

A

Genetic mutations followed by reproduction

41
Q

In oogenesis, how many functioning egg cells are created through meiosis?

A

One

42
Q

Which of the following is a principle of evolution proposed by Darwin and accepted today?

A

New species develop through differential survival and reproduction.

43
Q

What is the cause of Patau syndrome?

A

Trisomy 13

44
Q

Which of the following types of transport systems requires energy to pass a molecule from one side of the membrane to other?

A

Active Transport

45
Q

What is the purpose of the scientific method?

A

To discover the answer questions

46
Q

What is spontaneous generation?

A

The theory that life appears from nonliving things

47
Q

The ability of an organism to keep its internal condition suitable for life is a part of which of the following characteristics of living things?

A

Living things respond to the environment.

48
Q

Which step yield the most ATP?

A

The electron transport chain

49
Q

Which is a difference between RNA and DNA?

A

RNA has more oxygen than DNA.

50
Q

What misconception did the work of Rosalind Franklin clarify for Watson and Crick?

A

They believed DNA consisted of a triple helix

51
Q

When does Mendel’s law of independent assortment not always apply?

A

When two alleles are close to each other on the same chromosomes

52
Q

What is the result of a nondisjunction during meiosis II?

A

Half of the gametes will have an incorrect number of chromosomes.

53
Q

Why do some people want to prevent athletes from “gene doping”

A

It could be an unfair advantage that could not be detected.

54
Q

Which of the following is a possible offspring result of the following dihybrid cross?
GgTt x GgTt

A

4 GgTt

55
Q

Hydrolysis in carbohydrates is the process responsible for changing _______ to _______.

A

glycogen, monosaccharides

56
Q

Which of the following is a sex-influenced trait?

A

Male pattern baldness

Online Biology (2 decks)

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