How much do you know about genes?

Which of the following is NOT on DNA?

thymine

deoxyribose

guanine

adenine

uracil

__ is when the mRNA is decoded by tRNA so that amino acids can line up?

interphase

photosynthesis

replication

transcription

translation

What did James Watson do?

Discovered that replication is semi-conservative

Identified the location of the nuclear pores

Discovered that thymine always bonds with adenine

Took x ray pictures of DNA

Discovered that DNA is a double helix

Which of the following might be a rung on DNA?

Adenine and uracil

Ribose and deoxyribose

Deoxyribose and thymine

Thymine and uracil

Cytosine and guanine

Cytosine is complementary to?

plurine

thymine

adenine

uracil

guanine

Which of these is NOT a reason why Mendel used peas?

Easy to cross pollinate

Many observable traits

Easily observed traits

Quick reproduction

Contain only eggs or sperm

__ is semi-conservative?

A, B, and C

A and B

translation

transcription

replication

An anticodon is 3 bases on ?

DNA

mRNA

pRNA

dRNA

tRNA

Because adenine always bonds with thymine, we call adenine and thymine __ base pairs.

expository

mandatory

supplementary

explanatory

complementary

Replication takes place in the ?

Ovaries

ribosome

cytoplasm

Endoplasmic reticulum

nucleus

Proteins are made of chains of?

DNA

glucose

incorrect

nucleotides

Amino acids

What happens when a true-breeding plant self-pollinates?

All of the above

None of its offspring have the same traits as the parent.

Some of its offspring have the same traits as the parent.

One of its offspring has the same traits as the parent.

All of its offspring have the same traits as the parent.

What did Francis Crick do?

Discovered that replication is semi-conservative

Identified the location of the nuclear pores

Discovered that thymine always bonds with adenine

Took x ray pictures of DNA

Discovered that DNA is a double helix

A plant with two dominant OR two recessive alleles is said to be

Cross pollinating

heterozygous

Self pollinating

alleles

homozygous

What is a phenotype?

The alleles contained by the organism

The way an organism feels

A dominant gene

A group of 5 alleles

The way an organism looks

Which of these might be on the sides of the DNA ladder?

Peptide bond

tRNA

uracil

guanine

phosphate

What does DNA do?

All of the above

Controls what moves in and out of cells

Contains the enzymes responsible for digestion

Produces proteins

Carries the blueprint for making proteins

__ is when one gene of DNA is copied to make mRNA?

mitosis

photosynthesis

translation

replication

transcription

Translation takes place in the?

nucleus

Hydrogen bond

Golgi apparatus

lysosome

ribosome

A string of nucleotides that has the instructions for a certain trait is a?

homozygous

cell

dominant

chloroplast

gene

3 bases code for one

organelle

protein

DNA

cell

Amino acid

In Mendel’s parent cross, he tested a true breeder long with a true breeder short. The offspring were

25% tall, 50% medium, 25% short

75% tall, 25% short

100% medium

75% short, 25% tall

100% tall

2 bases on DNA are held together by?

gravity

A nitrogen bond

A peptide bond

Amino acids

A hydrogen bond

Which of the following is NOT on DNA?

thymine

deoxyribose

phosphate

adenine

ribose

Which of the following is a genotype?

allele

dominant

Widow’s peak

trait

RR

Replication produces?

Amino acids

2 similar DNA molecules

mRNA

tRNA

2 identical DNA molecules

Which of the following is a homozygous dominant genotype?

gg

gG

G

Gg

GG

Amino acids are connected by?

Rock bands

Rubber bands

Nitrogen bonds

Hydrogen bonds

Peptide bonds

What did Maurice Wilkins do?

Discovered that DNA is a double helix

Discovered that cytosine always bonds with guanine

Discovered the chemical structure of the phosphate molecule

Used the word “cell” when looking through a microscope

Took x ray pictures of DNA

Which of the following is a heterozygous genotype?

WW

No widow’s peak

ww

Widow’s peak

Ww

Which of the following is a phenotype?

Homozygous dominant

allele

GG

dominant

green

Which of the following is NOT on DNA?

guanine

phosphate

deoxyribose

thymine

uracil

A codon is 3 bases on ?

Peptide bonds

Amino acids

tRNA

DNA

mRNA

What did Chargraff do?

He discovered that DNA is a double helix

He named the peptide bonds that connect amino acids

He took x ray pictures of DNA

He discovered that replication is semi-conservative

He discovered that adenine always bonds with thymine

Transcription takes place in the?

ribosome

Cell membrane

Endoplasmic reticulum

Amino acids

nucleus

Which of the following might be a rung on DNA?

Cytosine and thymine

Adenine and uracil

Deoxyribose and phosphate

Ribose and phosphate

Adenine and thymine

Which of these might be on the sides of the DNA ladder?

Amino acids

ribose

adenine

uracil

deoxyribose

Bases are connected by ?

gravity

James bonds

Nitrogen bonds

Peptide bonds

Hydrogen bonds

What did Rosalind Franklin do?

Discovered that DNA replication is semi-conservative

Discovered that mRNA contains ribose sugar instead of deoxyribose

Determined that DNA is a double helix

Determined that Adenine always bonds with Thymine

Took x ray pictures of DNA

Transcription produces?

Amino acids

2 similar DNAs

tRNA

2 identical DNAs

mRNA

What does a nucleotide contain?

2 nitrogenous bases and a peptide bond

2 nitrogenous bases and a hydrogen bond

Deoxyribose, ribose, and phosphate

Base, deoxyribose, ribose

Base, sugar, phosphate