What is the benefit of genetic variation?

It increases the chance of survival in changing environments.

It ensures identical offspring.

It reduces the chance of mutations.

It prevents adaptation to new environments.

What is the role of mRNA in protein synthesis?

It translates mRNA into protein.

It translates DNA into protein.

How is RNA different from DNA?

RNA has uracil instead of thymine, ribose sugar, and is usually single-stranded.

RNA has thymine instead of uracil, ribose sugar, and is usually single-stranded.

RNA has uracil instead of thymine, deoxyribose sugar, and is usually double-stranded.

RNA has thymine instead of uracil, deoxyribose sugar, and is usually double-stranded.

What is the difference between the sugars in RNA and DNA?

RNA has ribose sugar, while DNA has deoxyribose sugar.

RNA has deoxyribose sugar, while DNA has ribose sugar.

RNA has glucose sugar, while DNA has ribose sugar.

RNA has ribose sugar, while DNA has glucose sugar.

What is the structure of RNA compared to DNA?

RNA is usually single-stranded, while DNA is usually double-stranded.

RNA is usually double-stranded, while DNA is usually single-stranded.

RNA is usually triple-stranded, while DNA is usually double-stranded.

RNA is usually double-stranded, while DNA is usually triple-stranded.

Who was Gregor Mendel?

B. A monk who worked with pea plants

A. A scientist who discovered DNA

C. A farmer who grew different crops

D. A teacher who taught genetics

What did Mendel discover about traits in pea plants?

B. Traits are inherited as factors from parents to offspring

C. Traits are random and cannot be predicted

B. An alternative form of a gene

What does the term "homozygous" mean?

A. When both alleles of a gene are the same

B. When both alleles of a gene are different

C. When an organism has no alleles

D. When an organism has multiple alleles

What does the term "phenotype" describe?

B. The physical characteristics displayed by an organism

A. The genetic makeup of an organism

C. The number of chromosomes in an organism

D. The type of cells in an organism

What is the difference between dominant and recessive alleles?

A. Dominant alleles are always expressed if present, while recessive alleles are only expressed if there are two recessive alleles present

B. Recessive alleles are always expressed if present, while dominant alleles are only expressed if there are two dominant alleles present

C. Dominant alleles are never expressed, while recessive alleles are always expressed

D. There is no difference between dominant and recessive alleles

What is the purpose of a Punnett Square?

To work out the probability of possible offspring genotypes

To determine the age of a plant

To measure the height of a plant

To calculate the amount of water a plant needs

What are homologous structures?

Structures that share a common ancestor and have similar patterns

Structures with similar functions but different origins

Structures with no apparent function

Structures that evolved independently

The preserved remains or traces of dead organisms

Living organisms found in rocks

Summer 1B - Midterm '24

Authored by Keri Stewart

Biology

9th Grade

Used 3+ times

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65 questions

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What does DNA stand for?

Deoxyribonucleic Acid

Deoxyribose Nucleic Acid

Deoxyribonucleic Base

Deoxyribose Nucleic Base

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the three main components of a nucleotide?

Sugar, Phosphate Group, Nitrogenous Base

Sugar, Phosphate Group, Amino Acid

Sugar, Phosphate Group, Lipid

Sugar, Phosphate Group, Protein

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which base pairs with Adenine (A) in DNA?

Thymine (T)

Cytosine (C)

Guanine (G)

Uracil (U)

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What type of bond joins nucleotides in DNA?

Covalent Bond

Ionic Bond

Hydrogen Bond

Metallic Bond

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What shape is the DNA molecule?

Double Helix

Single Helix

Triple Helix

Quadruple Helix

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What makes up the sides of the DNA molecule?

Deoxyribose and Phosphate Group

Deoxyribose and Nitrogenous Base

Phosphate Group and Nitrogenous Base

Deoxyribose and Amino Acid

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which base pairs with Guanine (G) in DNA?

Cytosine (C)

Adenine (A)

Thymine (T)

Uracil (U)

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Summer 1B - Midterm '24

What does DNA stand for?

What are the three main components of a nucleotide?

Which base pairs with Adenine (A) in DNA?

What type of bond joins nucleotides in DNA?

What shape is the DNA molecule?

What makes up the sides of the DNA molecule?

Which base pairs with Guanine (G) in DNA?

What is the structure of DNA?

Which base is found in RNA but not in DNA?

What is the function of mRNA?

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