the bone marrow produces stem cells that eventually become erythrocytes, leukocytes, etc.T/F
Answers
True. The bone marrow produces stem cells that eventually become erythrocytes, leukocytes, etc.
What is bone marrow?Bone marrow is the spongy and gelatinous tissue found inside some bones. In birds, mammals, and reptiles, it is mainly situated in the cavities of bones. Bone marrow is composed of hematopoietic cells, fat cells, and supportive tissues.What is the function of bone marrow?The bone marrow has two primary functions: the production of blood cells and the storage of blood cells. Stem cells in the bone marrow produce erythrocytes, leukocytes, and platelets through a process known as hematopoiesis. Hematopoiesis is the process of generating new blood cells.
to know more about visit :
https://brainly.com/question/12529813
#SPJ11
Related Questions
Why are enzymes called biological catalysts?
Answers
Answer:
because it increases the speed of biochemical reaction in an organism
Explanation:
1. Critic the following two views from the perspective of today’s sustainability. (50 points)
• Aristotle’s anthropocentric view: "Plants exist to give food to animals, and animals, to give food to men. … Since nature makes nothing purposeless or in vain, all animals must have been made by nature for the sake of man."
• Biocentric outlook by Paul Maylor: It values all living things in Earth’s community, so each organism is "a center of life pursuing its own good in its own way," and all organisms are interconnected.
Answers
Aristotle's anthropocentric view places humans at the center and considers other organisms as means to human ends, whereas the biocentric outlook recognizes the intrinsic value of all living things and emphasizes the interconnectedness and independent pursuit of well-being by each organism.
Aristotle's anthropocentric view, while reflective of the dominant perspective during his time, is heavily criticized from the perspective of today's sustainability. This view places humans at the center and considers the natural world as existing solely for human benefit. It disregards the intrinsic value and interconnectedness of all living organisms and ecosystems. This anthropocentric mindset has led to unsustainable practices, exploitation of natural resources, and the degradation of ecosystems, resulting in environmental crises such as climate change, habitat loss, and species extinction.
On the other hand, Paul Maylor's biocentric outlook aligns more closely with the principles of sustainability. It recognizes the inherent worth and autonomy of all living beings and acknowledges the interdependence of organisms within Earth's community. This perspective emphasizes the need for ecological balance and harmonious coexistence, promoting a more holistic approach to environmental stewardship.
From the standpoint of sustainability, the biocentric outlook offers a more comprehensive and ecologically responsible framework. It encourages a shift away from exploitative practices towards a greater respect for the intrinsic value of nature and the need for conservation and preservation. By recognizing the interconnectedness of all life forms, this perspective promotes sustainable living that supports the well-being of both humans and the natural world.
Know more about anthropocentric here:
https://brainly.com/question/21420869
#SPJ8
which painful, tender, pea-sized nodules may appear on the pads of the fingers or toes in bacterial endocarditis
Answers
Hope this help if not so sorry
Describe a conditional reasoning example. Be sure to describe your conditional (If A then B). Next describe one form of valid reasoning that can stem from this conditional (modus ponens or modus tollens). Finally, describe one form of invalid reasoning that can stem from this conditional (affirming the consequent or denying the antecedent).
Answers
A conditional reasoning example is a logical statement consisting of a hypothesis and a conclusion. "If A, then B" is a type of conditional statement, also known as a conditional statement. If the hypothesis (A) is true, then the conclusion (B) must be true. This is a modus ponens argument. If A is true, then B is true. A is true. As a result, B is true.
Affirming the consequent is an example of an invalid argument. If A is true, then B is true. B is true. As a result, A must be true. This is a false conclusion that cannot be logically derived. The statement "If the sky is cloudy, then it is going to rain" is an example of conditional reasoning. Modus tollens, a valid argument, can stem from this conditional. "If A, then B" is the first premise. "Not B" is the second premise. As a result, "Not A" is the conclusion. The statement "If it is not raining, then the sky is not cloudy" is an example of an invalid argument that can be derived from this conditional. If A is true, then B is true. A is false. As a result, B must be false. This is not a logical argument. It's incorrect.
Learn more about conditional reasoning:
https://brainly.com/question/12518675
#SPJ11
Steven is thinking about increasing his intake of carbohydrates each day. He found through his research that inadequate levels of carbohydrates in the diet ________.
Answers
Answer:
This can lead to ketosis. The latter condition can lead to death.
Explanation:
As a result of low blood glucose from low CHO diet, other food substances are converted to glucose. The process is called Gluconeogenesis. Fatty acid is usually converted to glucose, with the accumulation of ketone bodies in the blood, due to rapid conversion by the liver. This is known as Ketosis. But the acid -base homeostasis of the body is intact. It a condition that occurs during fasting, starvation etc. In this type it is called nutritional ketosis
All of the following may be found in the walls of the respiratory bronchi except:
A. Smooth muscle
B. Surfactant-producing glands********
C. Goblet cells
D. Ciliated cells
Answers
Respiratory bronchi are the smallest branches of the bronchial tree and are responsible for transporting air to the respiratory zone of the lungs. "Surfactant-producing glands," is the correct answer to this question.
They differ from terminal bronchioles in that they contain alveoli in their walls. All of the following may be found in the walls of the respiratory bronchi except surfactant-producing glands. The respiratory bronchioles have smooth muscle, ciliated cells, and goblet cells in their walls.
The respiratory bronchi are the first set of tubes that carry air into the lungs. The respiratory bronchioles are the tiniest and final branches of the bronchial tree, with the alveoli contained within them. Therefore, the option B, "Surfactant-producing glands," is the correct answer to this question.
Learn more about respiratory
https://brainly.com/question/31875140
#SPJ11
A tumor in a male patient is preventing the anterior pituitary from secreting LH. What effect will this have on his sperm production
Answers
Answer:
He will have a decreased amount of testosterone and in turn a reduction in sperm production.
how does huntington's disease impact cells
Answers
Answer:
hope this will help:) but I'm not pretty sure
Explanation:
Huntington's disease is a rare, inherited disease that causes the progressive breakdown (degeneration) of nerve cells in the brain. Huntington's disease has a broad impact on a person's functional abilities and usually results in movement, thinking (cognitive) and psychiatric disorders.
The cell's _______ increases at a faster rate than the cells _______
Answers
Answer:
rawrrrrrrrrrrreerrrrrrr
What are the missing words? In the picture below the alleles are different. As a result the proteins formed would differ because different
Answers
Question:
In the picture below, the alleles are different. As a result, the proteins formed would differ because different __________ __________ would be coded for.
Answer:
amino acids
Explanation:
Different alleles contain a different sequence of DNA.
This sequence codes for different mRNA codons during transcription. The two mRNAs are therefore different. These mRNAs code for different amino acids.
The sequence of amino acids determines the sequence/structure of the final protein.
The missing words are the amino acids that is shown in the image above.
As there are different alleles contained in the different sequence of DNA. This sequence codes for different mRNA codons during transcription. The two mRNAs are therefore different. These mRNAs code for different amino acids. The sequence of the amino acids determine the sequence/structure of protein.Learn more about the what are the missing words.
brainly.com/question/14292249.
How are PET and fMRI research methods similar?A. Both involve the stimulation of specific brain regions.B. Both involve lesioning.C. Both use X-rays.D. Both can be uses to map activity in the brain over time.
Answers
Option D. Both can be used to map activity in the brain over time. PET (Positron Emission Tomography) and fMRI (Functional Magnetic Resonance Imaging) are both non-invasive imaging techniques used in brain research to map brain activity over time.
Both methods use functional imaging to measure changes in blood flow to various regions of the brain, which is taken as an indicator of increased neural activity in those regions. While PET uses radioactive tracers to detect changes in blood flow, fMRI uses magnetic fields and radio waves to measure changes in blood oxygen levels. Both techniques have their own strengths and limitations, and are often used together to gain a more comprehensive understanding of brain function.
Learn more about brain here: brainly.com/question/11950231
#SPJ4
what is an interphase
Answers
Answer: Interphase is the phase of the cell cycle in which a typical cell spends most of its life. During interphase, the cell copies its DNA in preparation for mitosis.
For a certain breed of cat, short tails are dominant (1) and long tails are
recessive (1). The Punnett square below shows a cross between two parents,
What is the phenotype ratio for this cross?
T
t
Tt to
TE
A 4 long. O short
B. 2 long, 2 short
C. 3 long, 1 short
D. I long, 3 short
Answers
The phenotype ratio for the cross would be 1 long:3 short.
PhenotypesThis refers to the physical expression of genes.
Let us assume that the allele for short tail is T while that of long tail is t.
Since short tails are dominant over long tails, any genotype with T will always be expressed as short tail.
Thus, TT and 2Tt will have short tails while only tt will have a long tail, making a ratio of 3:1.
More on phenotypes can be found here: https://brainly.com/question/20730322
Mycorrhizae are beneficial to plants mostly because they:
fix nitrogen that can subsequently be imported into plants.
poison insects that try to bore into the bark of trees.
produce toxins that help ward off herbivores.
help increase water absorption into the roots.
produce additional sugars that help plants grow faster
Answers
Explanation:
Mycorrhizae help to increase water absorption into the root
PLSSSS HELP NEED THIS ANSWEED ASAP
Probiotics. They come in the form of culture concentrates in certain foods, dietary supplements and fermented dairy products, like yogurt or cheese. Probiotics are used to ferment the milk used to produce yogurt, cheeses and kefir. They are the live, active cultures in this yogurt. Probiotics are often called good or helpful __________ because they help keep your gut healthy.
Answers
Answer:
I think the answer is bacteria
In the equilibrium model of island biogeography, once an "island" has reached equilibrium,
A. the species richness on the island is stable.
B. the suite of species present on the island is stable.
C. extinction rates drop to around zero.
D. migration to the island ceases.
Answers
In the equilibrium model of island biogeography, once an "island" has reached equilibrium, A. the species richness on the island is stable.
The equilibrium model of island biogeography suggests that the number of species on an island reaches a dynamic equilibrium where the rate of immigration of new species balances the rate of extinction of existing species. Once this equilibrium is reached, the species richness on the island remains stable, meaning that the number of species present on the island does not change significantly over time.
However, individual species may still go extinct or colonize the island, leading to changes in the suite of species present on the island. Migration to the island may also continue, but at a rate that is balanced by the rate of extinction. Hence, the correct answer is Option A.
Learn more about island biogeography here: https://brainly.com/question/31440485
#SPJ11
which best describes bacterium
a particle that attacks viruses
the shell surrounding a pilus
a type of virus
a unicellular prokaryote
Answers
A bacterium is a unicellular prokaryote that plays important roles in ecosystems. It is not a particle that attacks viruses. Bacteriophages are viruses that infect bacteria, while bacteria are independent organisms that can be beneficial or pathogenic.
A bacterium is a unicellular prokaryote. Bacteria are microscopic single-celled organisms that belong to the domain Bacteria. They are one of the most abundant and diverse groups of organisms on Earth, found in various habitats ranging from soil and water to the human body.
Bacteria differ from eukaryotic cells in that they lack a nucleus and membrane-bound organelles. Their genetic material, consisting of a circular DNA molecule, is located in the cytoplasm. Bacteria reproduce through binary fission, where a single bacterium divides into two identical daughter cells.
Bacteria play crucial roles in various ecosystems. Some bacteria are beneficial and are involved in nutrient cycling, such as nitrogen fixation in soil. Others can be pathogenic and cause diseases in plants, animals, and humans. Bacteria have diverse metabolic capabilities and can obtain energy through various processes, including photosynthesis, respiration, and fermentation.
It is important to note that a bacterium is not a particle that attacks viruses. Bacteriophages, or simply phages, are viruses that infect and replicate within bacteria. They are specialized to infect specific bacterial species and play a significant role in controlling bacterial populations in nature.
In summary, a bacterium is a unicellular prokaryote, belonging to the domain Bacteria. It is a microscopic organism with diverse metabolic capabilities and plays important roles in ecosystems. Bacteriophages are viruses that infect bacteria and are not bacteria themselves.
For more such information on: bacterium
https://brainly.com/question/8695285
#SPJ8
at the end of anaphase 2 how many chromatids are on each side of the cell?
Answers
Anaphase II is defined as the stage in which sister chromatids separate and move towards the opposite pole of the cells. It is the second last stage of cell division, which occurs before the telophase.
The features of the anaphase II are:
1. Anaphase II is characterized by the separation of sister chromatids and the movement of each chromatid towards the opposite poles.
2. Anaphase II is the second last stage of meiotic division.
3. The sister chromatids are pulled away by the kinetochores attached to the microtubules.
4. At the end of anaphase II, each cell has 46 chromatid.
Therefore, at the end of anaphase II, each daughter cell has 46 chromosomes dragged at one end, whereas the other 46 are dragged to the opposite ends.
To know more about anaphase II, refer to the following link:
brainly.com/question/13766396
#SPJ4
If the victim is a teen or adult you should only perform cpr with
Answers
Which of the following are examples of density dependent population regulation? (select all that apply) Competition for light limits the number of new plant seedlings that survive Flood eliminates a population of ground-dwelling rodents by flooding all of their burrows, drowning them Predatory hawks seek out the most dense areas of rodent prey and concentrate their foraging in that area Farmer sprays pesticide on crops, killing 99% of the insects present
Answers
A population's mortality rate often increases with population density. For instance, when there is intra- and interspecific competition, the reproduction rates of the individuals are often lower, slowing the rate of population expansion. Hence (b) is the correct option.
A population's per capita growth rate changes when population density rises—typically falls—due to density-dependent limiting constraints. One illustration is the fight for scarce food among people in a population. The per capita growth rate is influenced by factors that are not dependent on population density. A factor is said to be density-dependent if its effects on population size or growth change according on population density. Abiotic factors that affect density frequently include things like the availability of food, parasitism, predation, disease, and migration.
To know more about population, click here:
https://brainly.com/question/27991860
#SPJ4
Which of the following are examples of density dependent population regulation?
a. Competition for light limits the number of new plant seedlings that survive
b. Flood eliminates a population of ground-dwelling rodents by flooding all of their burrows, drowning them
c. Predatory hawks seek out the most dense areas of rodent prey and concentrate their foraging in that area
d. Farmer sprays pesticide on crops, killing 99% of the insects present
the basic taste stimulated by caffeine is: group of answer choices salty. sour. bitter. sweet.
Answers
Answer:
Explanation:
The basic taste stimulated by caffeine is bitter. Caffeine, a naturally occurring compound found in various plants, including coffee beans and tea leaves, is known for its bitter taste.
When caffeine interacts with taste receptors on the tongue, it activates the bitter taste receptors, resulting in the perception of bitterness. This bitter taste is one of the sensory qualities that contribute to the overall flavor profile of caffeinated beverages such as coffee and tea. It's worth noting that the perceived taste of caffeine can vary among individuals, and some people may have a higher sensitivity or tolerance to bitterness.
know more about caffeine: brainly.com/question/31830048
#SPJ11
A train traveled at 350 km in 2.5 hours. What was the average speed of the train?
Answers
Answer:
140 km per hour.
Explanation:
350 divided by 2.5= 140
The average speed of the train was 140 kilometers per hour.
Speed is a unit used to describe how fast something is moving with respect to another object. Due to its scalar nature, it has only magnitude and no direction. By dividing the distance traveled by an object by the time required to cover that distance, one can calculate its speed.
The formula for calculating speed is as follows:
Speed = Distance / Time
In the International System of Units (SI), the meter per second (m/s) is the accepted unit for measuring speed. Nevertheless, other common units for speed include kilometers per hour (km/h) and miles per hour (mph), depending on the situation and location.
We can use the following calculation to determine the typical speed of a train:
Average speed = Distance traveled / Time taken
In this example, the train covered this distance of 350 km in 2.5 hours.
Average speed = 350 km / 2.5 hours
Average speed = 140 km/h
Therefore, the average speed of the train was 140 kilometers per hour.
Learn more about average speed, here:
https://brainly.com/question/13318003
#SPJ7
How are prokaryotic and eukaryotic cells the same
Answers
Answer:
Eukaryotic cells contain many membrane-enclosed, large, complex organelles in the cytoplasm whereas prokaryotic cells do not contain these membrane-bound organelles. ... Only eukaryotes possess a membrane-bound nucleus and membrane-bound organelles such as the mitochondria, golgi apparatus, lysosomes, peroxisomes and ER.
Which types of microbes are particularly likely to secrete proteases, which allow them to use proteins as an energy and carbon source
Answers
Fungi and some soil-borne pathogenic microorganisms are most likely to secrete proteases which allow them to use protein as an energy and carbon source.
An enzyme called a protease catalyzes the breakdown of proteins into smaller polypeptides or individual amino acids.
Basically, protease is a protein hydrolyzing enzyme.
There are different functions of this enzyme but in some cases like fungi and other soil-borne pathogenic microorganisms, it allows proteins to serve as a source of carbon and nitrogen for the growth of microbes.
Enzymes that break down proteins(proteases) are released by these microbes extracellularly into amino acids .These amino acids can then be carried into cells and enter metabolic pathways for energy production.
In this way, these microbes secrete proteases which allow them to use protein as an energy and carbon source.
Learn more about the functions of enzymes here https://brainly.com/question/14577353
#SPJ4
was either of the rate values for co2 a positive number? if so, what is the biological significance of this?
Answers
Yes, one of the rate values for CO2 was positive. This indicates that photosynthesis is occurring, meaning that the organism is taking in CO2 from the environment and converting it into carbohydrates for energy. This process is essential for the survival of most life on Earth.
Yes, one of the rate values for CO2 was a positive number. The biological significance of this is that it indicates that the organism is undergoing cellular respiration and releasing CO2 as a byproduct. This is an important process for the organism to obtain energy and continue to function. A positive rate value for CO2 also indicates that the organism is metabolizing carbohydrates and converting them into energy, which is essential for the organism's growth and maintenance.
For more such questions on Biological significance.
https://brainly.com/question/28304625#
#SPJ11
In glycolysis, fructose 1, 6-bisphosphate is converted to two products a standard free-energy change (delta G^) of 23.8 kJ/mol. Under what conditions (encountered in a normal cell) will the free-energy change (delta G) be negative, enabling the reaction to proceed to the right? a. When there is a high concentration of products relative to the concentration of fructose 1, 6-bisphosphate. b. Under standard conditions, enough energy is released to drive the reaction to the right. c. If the concentrations of the two products are high relative to that of fructose 1, 6-bisphosphate. d. The reaction will not go to the right spontaneously under any conditions because the delta G^is positive. e. When there is a high concentration of fructose 1, 6-bisphosphate relative to the concentration of product.
Answers
When there is a high concentration of fructose 1, 6-bisphosphate relative to the concentration of products, the free-energy change (delta G) will be negative, enabling the reaction to proceed to the right.
What is glycolysis?
Glycolysis is the metabolic pathway in which glucose is converted to pyruvate. The process occurs in the cytoplasm of the cell and is the first stage of cellular respiration. It can happen either aerobically (with oxygen) or anaerobically (without oxygen).
What is fructose 1, 6-bisphosphate?
Fructose 1, 6-bisphosphate is a chemical compound with the chemical formula C6H14O12P2. It is a derivative of fructose, a monosaccharide, and is a substrate in glycolysis. It is an intermediate in the breakdown of glucose and is used to produce energy.
What is free-energy change?
The change in free energy that occurs during a chemical reaction is known as the free-energy change. A chemical reaction with a negative free-energy change (-∆G) will proceed spontaneously in the forward direction, whereas a chemical reaction with a positive free-energy change (∆G) will not occur spontaneously in the forward direction.
To know more about free-energy change visit
https://brainly.com/question/14039127
#SPJ11
what is the name of the hormone producing cells in the middle of this endocrine organ, indicated by the arrow?
Answers
Answer:
Pituitary. The pituitary gland is located below the brain. Usually no larger than a pea, the gland controls many functions of the other endocrine glands.
Explanation:
You didnt include the image with the arrow so im not sure
In summary, the five senses are sight, hearing, smell, feeling, and taste. The five senses work together to help you live, protect yourself, learn, and enjoy the world around you. What happens to a person's vision when they are farsighted? Seleccione una: a. Can see up close b. Can't see up close c. Can't see far way d. Need books written in braille
Answers
Answer:
b
Explanation:
unable to see things clearly, especially if they are relatively close to the eyes, owing to the focusing of rays of light by the eye at a point behind the retina; hyperopic.
The suffix -xyl comes from xylem, which means woody plant. Which woody plant grows from a single woody trunk rising into the air?
OA. Microgeoxyl
B. Microxyl
OC. Geoxyl
OD. Aeroxyl
Answers
The woody plant that grows from a single woody trunk rising into the air is Aeroxyl.
The correct answer is D.
What are woody plants?The woody plant that grows from a single woody trunk rising into the air is called a tree.
While the suffix -xyl does come from xylem, which is a type of tissue found in woody plants, it is not directly related to the growth habit of the plant. The suffix -xyl is typically used to refer to chemical compounds that are derived from wood or related materials.
Learn more about woody plants at: https://brainly.com/question/13048734
#SPJ1
c31 is a bacteriophage that infects streptomyces bacteria. one gene in the bacteriophage genome specifies a recombinase called
Answers
The c31 bacteriophage contains a gene that codes for a recombinase enzyme. This recombinase is called "Integrase" and it is responsible for facilitating the integration of the bacteriophage DNA into the host bacteria's genome.
This process is that the recombinase enzyme recognizes specific DNA sequences in both the bacteriophage and host bacteria's genomes. It then catalyzes the recombination of these sequences, allowing the bacteriophage DNA to integrate into the host genome.
The presence of the recombinase gene in the c31 bacteriophage genome is a crucial factor in the bacteriophage's ability to infect and integrate into the host streptomyces bacteria's genome. This integration is essential for the replication and survival of the bacteriophage.
For more information on bacteriophage kindly visit to
https://brainly.com/question/29409301
#SPJ11