If osteoclasts are more active than osteoblasts, bones will become - C. Osteopenic.
Osteoblasts which synthesize the bone matrix and coordinate the mineralization and osteoclasts which are responsible for the dissolution and absorption of bone; are two major types of cells present in bones.
Thus, If osteoclasts are more active than osteoblasts, bones will become - C. Osteopenic.
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Answer:
The answer is C) osteopenic
b. goblet cells
c. microvilli
d. pseudostratified ciliated columnar epithelium
e. stratified squamous epithelium
Answer:
d. pseudostratified ciliated columnar epithelium
Explanation:
Pseudostratified ciliated columnar epithelium
It is a type of epithelium , which is made up of cells of single layer .
The function of Pseudostratified epithelia is secretion or absorption .
Pseudostratified epithelia secretes mucus and cilai helps the movement of mucus .
The nucleus of these cells are present at different levels , thereby creating an illusion of cellular stratification .
Answer:
b. Goblet Cells
Explanation:
There are 3 types of epithelial cells in the large bronchi, namely:
1. Goblet Cells
2. Ciliated Cylindrical Cells
3. Brush Cells
Goblet cells are epithelial cells where the main function is to secrete mucin. These cells have a certain structure namely the rough endoplasmic reticulum, and mitochondria, nuclei, and other cell organelles are found in the basal cell section.
These cells are well distributed in the epithelial lining of the walls of organs such as the trachea, bronchi, small intestine, upper eyelid membrane, large intestine, and others. The ultimate goal is to lubricate these organs for the smooth functioning of them.
The most important function of goblet cells is to secrete mucus which is a thick liquid and consists of a glycosylated protein mucin that is suspended in an electrolyte solution. The main function of mucus which protects against stress and chemical damage, trapping and eliminating microorganisms and particles.
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Details
Class : College
Subject : Biology
Keywords
- Cell Surface
- Large Bronchi
protein
glycogen
lactic acid
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51:24
If a person were fasting and hadn't eaten for several days in a row, which source of energy would the body use as a
last resort?
During fasting, the body uses glycogen, lipids, and protein as sources of energy.
When a person is fasting and hasn't eaten for several days in a row, the body relies on stored energy sources. The body first depletes its glycogen stores, which are stored in the liver and muscles, and then moves onto using fatty acids from lipids as a source of energy. Once the fat reserves are depleted, the body will turn to using protein as a last resort for energy.
Answer:
cell walls and chloroplasts
Answer:
This unified theory of evolution is known as Modern Synthesis
Explanation:
The Modern Synthesis of Evolution reconciles the theory of the evolution by natural selection of Charles Darwin, the genetic theory of heredity of Gregor Mendel, the aleatory mutation as the principal source of genetic variability and population genetics.
La síntesis evolutiva moderna (también llamada simplemente nueva síntesis, síntesis moderna, síntesis evolutiva, teoría sintética, síntesis neodarwinista o neodarwinismo) significa en general la integración de la teoría de la evolución de las especies por la selección natural de Charles Darwin, la teoría genética de Gregor Mendel como base de la herencia genética, la mutación aleatoria como fuente de variación y la genética de poblaciones. Los principales artífices de esta integración fueron Ronald Fisher, J. B. S. Haldane y Sewall Green Wright.
b. interference
c. transduction
d. transformation
Answer:
The process is called signal transduction
Explanation:
Signal transduction entails the binding of a ligand or extracellular signal to a receptor and this gives rise to a biochemical cascade of reactions, interactions forming networks and this elicit cellular responses. These responses may include, post translational modifications, changes in gene transcription and translation.
Answer:
The process is called signal transduction.
Explanation:
Signal transduction is the process by which chemical or physical signal is transfered from outside of the cell to the interior of the cell thereby transforming the information from one form to another form to ensure adequate response. Signal transduction depend on receptors protein.
There are three stages of signal transduction and they are;
1. Receptor or protein present at the cell surface detect signals.
2. Transduction, change in receptors enhance changes in the cell.
3. Response, the cell respond to the signal.
In the 1950s, several key concepts related to DNA were well understood in the scientific community, such as the polymer structure of DNA, base pairing rules, and the helical structure of the molecule itself. The established methods like X-ray crystallography also contributed to their research.
In the 1950s, when Francis Crick and James Watson were working on their model of DNA, the scientific community had a well-established understanding of several key concepts. For example, it was well accepted that DNA is a polymer of nucleotides, each containing deoxyribose sugar, phosphate group, and one of four nitrogenous bases, A, T, C, and G; and that purines always pair with pyrimidines.
X-ray crystallography was an accepted method for investigating molecular structure. Chargaff's rules, which state that of the four types of nucleotides present in a DNA molecule, two were always present in equal amounts, were also widely accepted. Finally, it was known that the DNA molecule has a helical structure, thanks to the work of Rosalind Franklin.
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