THE MOST LIKELY MODE OF AN ORGANISM THAT POSSESSES ATTACHMENT STRUCTURE, THIN OUTER SURFACE LAYER AND ABSENCE OF AN ELABORATE DIGESTIVE TRACT IS
A. Autotrophic B. holophytic C. parasitic ✓ D. saprophytic E. symbiotic The answer to the question is: C. parasitic An organism that possesses attachment structures, a thin outer surface layer, and the absence of an elaborate digestive tract is most likely to be a…
IN MOSSES THE STRUCTURE WHICH PERFORMS THE FUNCTION OF WATER ABSORPTION IS THE
A. root hairs B. rhizoids ✓ C. capsule D. hyphae The answer to the question is: B. rhizoids In mosses, the structure that performs the function of water absorption is the rhizoids. Rhizoids are thread-like structures that extend from the lower part of the…
X-RAYS CAN BE USED IN THE STUDY OF CRYSTAL STRUCTURE BECAUSE THEY
A. have a very long-reaching wavelength B. have extremely short wavelength ✓ C. are invisible D. are very fast The answer to the question is: B. have extremely short wavelength X-rays can be used in the study of crystal structure because they have extremely…
NIGERIA STARTED TO OPERATE ON A REAL FEDERAL STRUCTURE WITH THE INTRODUCTION OF THE
A. 1922 Clifford constitution B. 1946 Richards constitution C. 1953 London conference D. 1954 Lyttleton constitution ✓ E. 1963 Republican constitution The answer to the question is: D. 1954 Lyttleton constitution The introduction of the 1954 Lyttleton constitution marked a significant milestone in the evolution…
THE QUALITATIVE TREATMENT OF THE STRUCTURE OF ATOMS IN RELATION TO ELECTRIC CURRENT
To understand the qualitative treatment of the structure of atoms in relation to electric current, we must first delve into the fundamentals of atomic structure and the nature of electric current. Atoms, the building blocks of matter, are composed of…
PROTEIN STEREOCHEMICAL AND SECONDARY STRUCTURE ANALYSIS
1) Protein Stereochemical Analysis Protein stereochemistry refers to the three-dimensional arrangement of atoms in a protein molecule. It plays a crucial role in determining the structure, stability, and function of proteins. Understanding protein stereochemistry is essential for various applications in…
STRUCTURE OF THE EUKARYOTIC mRNA GENE
Eukaryotic mRNA genes have a complex structure that includes several key components. The typical structure of a eukaryotic mRNA gene consists of the following main sections: Promoter Region: This is the region at the beginning of the gene where RNA…
STRUCTURE AND FUNCTIONS OF RNA TYPES
RNA, or ribonucleic acid, is a vital molecule with various functions in the cell. There are several types of RNA, each with its unique structure and function. 1. Messenger RNA (mRNA): Messenger RNA is a single-stranded molecule that carries genetic…
MOLECULAR SAMPLE PREPARATION FOR STRUCTURE DETERMINATION
Molecular sample preparation for structure determination involves several key steps to ensure the integrity and quality of the sample. The requirements for molecular sample preparation are crucial in obtaining accurate structural information. Here are the essential requirements for molecular sample…
THE STRUCTURE OF PROKARYOTIC GENES
Prokaryotic genes are organized in a specific structure that differs from eukaryotic genes. The key components of prokaryotic gene structure include the promoter region, the coding sequence, and the terminator region. 1) Promoter Region: The promoter region is located at…
THE MOSAIC STRUCTURE OF EUKARYOTIC GENES
The mosaic structure of eukaryotic genes refers to the arrangement of introns and exons in the DNA sequence of eukaryotic genes. Eukaryotic genes are made up of sequences of DNA that code for proteins, as well as non-coding regions called…
BACTERIAL REPLICATION, STRUCTURE, ADHESION, MOTILITY AND GROWTH
Bacteria are single-celled microorganisms that can be found in various environments. They are known for their ability to replicate, their diverse structures, adhesion capabilities, motility, and growth patterns. Bacterial Replication Bacterial replication is the process by which bacteria reproduce. It…
PRIMARY STRUCTURE OF DNA VERSUS SECONDARY STRUCTURE OF DNA
Primary Structure of DNA The primary structure of DNA refers to the linear sequence of nucleotides that make up the DNA molecule. Each nucleotide consists of a sugar (deoxyribose), a phosphate group, and one of four nitrogenous bases: adenine (A),…
THE SECONDARY STRUCTURE OF DNA AND CHARGAFF’S RULES
Watson-Crick Model The secondary structure of DNA, as proposed by James Watson and Francis Crick in 1953, is a double helix. This model consists of two polynucleotide chains that are coiled around the same axis. The backbone of the DNA…
MICROBIAL STRUCTURE, REPLICATION AND MOTILITY
Microbes, also known as microorganisms, are diverse and abundant life forms that include bacteria, archaea, fungi, protozoa, and viruses. They exhibit a wide range of structures, replication methods, and motility mechanisms. 1) Microbial Structure Microbial cells have unique structures that…
STRUCTURE OF GLOBIN GENE AND ITS MOLECULAR MECHANISM OF SPLICING
The globin gene family encodes the protein subunits of hemoglobin, a crucial component of red blood cells responsible for oxygen transport in the body. The structure of the globin gene is highly conserved across species and consists of several exons…
CHEMICAL STRUCTURE OF OLIGONUCLEOTIDES
Oligonucleotides are short sequences of nucleotides, typically made up of 13 to 25 nucleotides. Oligonucleotides are short sequences of nucleotides (DNA or RNA). They play crucial roles in molecular biology, serving as primers in PCR, probes in genetic testing, and…
THE ROLE OF SUGAR PUCKERING IN DNA STRUCTURE
Sugar puckering, also known as sugar-phosphate backbone distortion, plays a crucial role in the structure and function of DNA. DNA is composed of two strands of nucleotides that are linked together by hydrogen bonds between the sugar molecules and the…
GENOME STRUCTURE AND REGULATION
The genome is the complete set of genetic material present in an organism. It includes the nuclear genome, which is located in the cell’s nucleus, and the genomes of organelles such as mitochondria and chloroplasts. The structure of these genomes…
STRUCTURE AND BIOSYNTHESIS OF MAJOR GROUPS OF GLYCANS
Glycans, also known as carbohydrates, are essential biomolecules that play crucial roles in various biological processes. They are involved in cell recognition, signaling, and immune response modulation. The major groups of glycans include N-linked glycans, O-linked glycans, glycosaminoglycans (GAGs), and…
HISTOLOGICAL INSIGHTS INTO BLOOD VESSEL STRUCTURE
Blood vessels are an essential component of the circulatory system, and their structure and function are critical for maintaining the health and function of the body. The basic structure of blood vessels The basic structure of blood vessels is essential…
FASCINATING FACTS ABOUT THE MICROSCOPIC STRUCTURE OF PANCREAS
Histological components of pancreas The pancreas is an important organ located in the abdomen, specifically in the upper left quadrant. It plays a crucial role in the digestive system as well as in the regulation of blood sugar levels. Histologically,…
EXPLORING THE FUNCTIONS AND STRUCTURE OF MENINGES
The meninges are a set of three protective membranes that surround and enclose the brain and spinal cord. These membranes serve several important functions, including providing physical protection, supporting the blood vessels that supply the central nervous system, and helping…
STRUCTURE OF BACTERIAL CELL AND SPECIALIZED STRUCTURES
A typical bacterial cell is a single-celled microorganism that belongs to the domain Bacteria. It is characterized by its simplicity and lack of a true nucleus or membrane-bound organelles. Despite its simplicity, a bacterial cell contains several important components that…
CELL MEMBRANE BI-LIPID STRUCTURE
The cell membrane, also known as the plasma membrane, is a crucial component of all cells. It separates the cell’s internal environment from the external environment, providing structural integrity and selectively controlling the flow of substances in and out of…
THE SHOCKING REVELATION OF GENES STRUCTURE AND FUNCTION
Introduction Genes are the basic units of heredity in living organisms. They are segments of DNA molecules that contain the instructions for building and maintaining an organism. Genes determine the traits or characteristics of an organism, such as eye color,…
MATTER STRUCTURE OVERVIEW
The structure of matter refers to the physical arrangement of atoms and molecules that make up all substances in the universe. Atoms are the smallest units of matter and are made up of protons, neutrons, and electrons. The protons and…
THE STRUCTURE OF WEST AFRICAN TRADITIONAL RELIGION
Introduction West African traditional religion is a complex system of beliefs and practices that varies across different ethnic groups and regions. However, there are some commonalities that can be identified in the structure of this religion. Supreme Being: Most West…
THE STRUCTURE OF MAMMALIAN GAMETES
The mammalian gametes are male gametes called sperm or spermatozoa (singular = spermato-zoon), while the female gametes are called eggs or ova (singular = ovum) The reproductive sex cells are also known as gametes. The formation of gametes or gametogenisis…
STRUCTURE AND FUNCTION OF NEURONE
Neurones are specialized cells that transmit impulses (messages) around the body in form of electrical charges. The nervous system consists of millions of neurones (nerve cell). Three main types exist in the body namely: sensory, association (intermediate) and motor neurones.…
COMPOSITION AND STRUCTURE OF BLOOD
Structure of the blood The blood is a tissue in a fluid form. An adult man has about 5-6 litres of blood. Blood is made up of two major components: the blood cells or corpuscles which are solid. the plasma…
NATURE AND STRUCTURE OF INSURANCE DOCUMENT
The various types of documents used in insurance business are: The Proposal form. The cover notes. The insurance certificate. Policy document. THE PROPOSAL FORM This is a questionnaire designed by the insurer to the proposer to complete in compliance…
STRUCTURE OF A BUSINESS
ORGANISATIONAL SET UP The organisational set up of a business involves the allocation of responsibilities and functions to different components of an organisation and delegating authority to each position in order to ensure the smooth operation of the business so…
MORE DETAILS ABOUT THE OUTER AND INTERNAL STRUCTURE OF THE EARTH
The structure of the earth is grouped into two zones. These are the outer structure and the internal structure. THE OUTER STRUCTURE OF THE EARTH The outer structure of the earth is made up of four zones or layers.…
LEARN ABOUT THE STRUCTURE AND COMPOSITION OF THE EARTH
Isaac Newton was one of the first scientists to theorize about the structure of Earth. Based on his studies of the force of gravity, Newton calculated the average density of Earth and found it to be more than twice the…