WorksheetsBiotechnology section 4.1 Key Words
Total questions: 18
Worksheet time: 12mins
What is Chromatin composed of?
RNA and proteins
Nuclear DNA and proteins
Lipids and proteins
Carbohydrates and proteins
A Gene is a section of DNA on a chromosome that contains what?
Lipid code
Protein code
Genetic code/Instructions for building a protein
Carbohydrate code
Base pair refers to two nitrogenous bases that are connected by what type of bond?
Covalent bond
Ionic bond
Hydrogen bond
Metallic bond
Phosphodiester bond is responsible for polymerization of nucleic acids by linking what?
Sugars and lipids
Sugars and phosphates
Proteins and lipids
Proteins and carbohydrates
Hydrogen bond involves the 'sandwiching' of a hydrogen atom between which atoms?
A) Carbon, nitrogen, or oxygen
B) Fluorine, nitrogen, or oxygen
C) Sulfur, nitrogen, or oxygen
D) Chlorine, nitrogen, or oxygen
Antiparallel refers to the observation that strands on DNA double helix have their nucleotides oriented in what direction to one another?
Same direction
Opposite direction
Perpendicular direction
Parallel direction
A base pair consists of an adenine bonded to a thymine or a guanine bonded to a ______.
Cytosine
Uracil
Thymine
Adenine
Identify what structure is outlined in the BLACK outline.
Base pair
deoxyribose sugar
phosphate group
hydrogen bonds
Nucleotide
Identify what structure is outlined in the BLACK outline.
Base pair
deoxyribose sugar
phosphate group
hydrogen bonds
Nucleotide
Phosphodiester bonds are a type of covalent bond that connects the sugar-phosphate backbone
True
False
All DNA codes for proteins
True
False
Label the nucleotide
Phosphate
Sugar
Nitrogenous base
Select ALL the NITROGEN BASES in the picture (4 total)
Select ALL the Phosphate Group
What is a gene?
A segment of DNA that codes for a particular protein
Contains all DNA of the cell
A chemical that changes energy levels in a cell
A small spherical body in a cell
What sugar is found in DNA?
Deoxyribose
Glucose
Sucrose
Fructose
