Which organism has a larger surface area to volume ratio: a bacterium or a hedgehog?
Answers
The organism has a larger surface area to volume ratio: a bacterium or a hedgehog is bacterium.
Why small organsims have large surface area?Smaller single-celled organisms have a excessive floor region to quantity ratio, which lets in them to depend upon oxygen and cloth diffusing into the cell (and wastes diffusing out) that allows you to survive. The better the floor region to quantity ratio they have, the extra powerful this method can be.
We lately confirmed that a extensive variety of bacterial species showcase a sturdy floor region to quantity ratio (SA/V) homeostasis. Smaller animals have a tendency to have large floor region to quantity ratios.
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Hedgehog is a small mammal having short limbs and their body is low to the ground. Bacteria has a larger surface area to volume ratio as compared to hedgehogs.
What is a surface area to volume ratio?Surface area to volume ratio in easy words the surface area of an object divided by its volume.
The smaller animals generally have larger surface area-to-volume ratios. An increase in the size decreases the surface-to-volume ratio.
Thus, it can be concluded that the bacteria has a larger surface to volume ratio as compared to a hedgehog.
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Related Questions
_____ cells send signals quickly throughout the body
muscle
nerve
connective
epithelial
Answer fast
Answers
Is DNA replication the same as cell replication? Or are they two different things?
Answers
DNA replication and cell replication both ate different but are connected to each other
in DNA replication the amount of genetic material become double but in cell division a cell divided into two parts and amount of protoplasm and cytoplasm both get half
When the offspring of a pure-bred black guinea pig and a pure-bred white guinea pig were mated among themselves, there were 271 black and 89 white offspring in the F2 generation. This means that black hair color in guinea pigs is due to a ________.
Options:
-recessive allele
-dominant allele
-codominant allele
-mutation
Answers
Answer:
B
Explanation:
Dominant allele
When the offspring of a pure-bred black guinea pig and a pure-bred white guinea pig were mated among themselves, there were 271 black and 89 white offspring in the F2 generation. This means that the black hair color in guinea pigs is due to a dominant allele.
What is a dominant allele?A dominant allele is an allele that expresses itself in a cross between two individuals.
There are two types of alleles, namely dominant allele, and recessive allele.Dominant allele expresses itself whereas recessive allele characters are hidden in its gene and tend to express at any point of the future offspring.This cross mentioned is a mono hybrid cross because only one trait that is the coat color of the guinea pig is taken into consideration.Since the majority of the offspring were of black coat, option dominant allele is the right answer.
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what is the major limitation of personalized genomics as it currently exists? sequencing large quantities of dna remains prohibitively expensive. there are only a few thousand snps known in the human genome. pharmacogenomics should be effective at reducing the incidence of adverse side effects from drugs. most diseases are influenced by a large number of genetic and non-genetic factors. dna microarrays can be used to examine genetic variation more rapidly than sequencing.
Answers
A. sequencing large quantities of DNA remains prohibitively expensive is the major limitation of personalized genomics as it currently exists.
Deoxyribonucleic acid (abbreviated DNA) is a substance that conveys genetic information for an organism's development and function. DNA is made up of two connected strands that spiral around each other in order to form a twisted ladder-like structure called a double helix.
Deoxyribonucleic acid (DNA) is a polymer made up of a pair of polynucleotide chains that coil over one another to form a double helix. The polymer contains genetic instructions for all known organisms and viruses' genesis, functioning, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid.
The sugar in DNA nucleotides is deoxyribose bonded to a single phosphate bond (thus referred to as deoxyribonucleic acid), whereas the base might be aniline (A), cytosine (C), the amino acid guanine, or thymine (T).
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Complete question;
what is the major limitation of personalized genomics as it currently exists?
A. sequencing large quantities of DNA remains prohibitively expensive.
B. there are only a few thousand SNPs known in the human genome.
C. pharmacogenomics should be effective at reducing the incidence of adverse side effects from drugs.
D. most diseases are influenced by a large number of genetic and non-genetic factors. DNA microarrays can be used to examine genetic variation more rapidly than sequencing.
what is the name and describe the two structural polysaccharides?
Answers
Chitin and cellulose are the two main forms of structural polysaccharides.
What is Polysaccharide?
These long-chain polymeric carbohydrates are made up of monosaccharide building blocks connected by glycosidic bonds. By hydrolyzing this carbohydrate with water and employing amylase enzymes as a catalyst, component sugars are created (monosaccharides, or oligosaccharides). They might be straight or quite branching in structure. Storage polysaccharides like starch, glycogen, and galactogen, as well as structural polysaccharides like cellulose and chitin, are a few examples.When it comes to the repeating unit, polysaccharides are frequently highly diverse. These macromolecules can differ from their monosaccharide building units in terms of characteristics depending on the structure. They might even be insoluble in water or amorphous.To learn more about Chitin and cellulose refer to:
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. B.9(C) For an enzyme to be able to catalyze a reaction, the active site must---- *
1 point
be occupied by an inhibitor
increase the activation energy level
have a complementary shape to the substrate
cause the enzyme to be destroyed in the reaction
go keilani
Answers
A protein that speeds up a biological and chemical reaction to build and split any molecule is called an enzyme. They are produced naturally in the body.
The correct answer is:
Option C. have a complementary shape to the substrate.
This can be explained as:
If the active site on the enzyme is occupied by an inhibitor then the substrate will not be able to bind and the reaction will not occur.Activation energy is the minimum amount of energy needed for the reaction.If the enzyme is destroyed then no reaction will occur as the active site is present on the enzyme surfaces.Therefore, the active site should have a complementary shape to the substrate.
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Answer:
have a complementary shape to the substrate
Explanation:
1. Gases are transported by red blood cells because the cells contain
carbon dioxide
hemoglobin
plasma
platelets
Answers
Answer:
Hemoglobin
Explanation:
These cells contain a metalloprotein called hemoglobin, which is composed of four subunits with a ring-like structure.
Hemoglobin is a protein that is found in red blood cells and is responsible for carrying oxygen from the lungs to the body's tissues and carrying carbon dioxide from the tissues back to the lungs to be exhaled. Hemoglobin has a high affinity for both oxygen and carbon dioxide, which allows it to bind and release these gases efficiently as it travels through the body.
if the sympathetic trunk is damaged, the soma of what type of neuron would be damaged as a result? Somatic motor Somatic sensory Pre-ganglionic parasympathetic Pre-ganglionic sympathetic Post-ganglionic sympathetic
Answers
If the sympathetic trunk is damaged, the E) post-ganglionic sympathetic neuron would be affected.
The sympathetic trunk is a chain of ganglia that runs along both sides of the spinal column, and it contains post-ganglionic sympathetic fibers that are responsible for innervating various organs and tissues in the body.
These fibers arise from the sympathetic chain ganglia, which are located within the sympathetic trunk. Damage to the sympathetic trunk would result in a loss of sympathetic tone to the affected organ, leading to various symptoms depending on the location of the damage.
For example, damage to the sympathetic trunk in the thoracic region may cause Horner's syndrome, which is characterized by drooping of the eyelid, constriction of the pupil, and lack of sweating on the affected side of the face.
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a patient with a defect in their yellow bone marrow would potentially have a problem with
Answers
A patient with a defect in their yellow bone marrow would potentially have a problem with energy storage and adipose tissue metabolism.
Yellow bone marrow is primarily composed of adipose (fat) cells and serves as an energy reserve in the body. In contrast to red bone marrow, which produces blood cells, yellow bone marrow does not play a direct role in hematopoiesis. Therefore, a defect in yellow bone marrow might lead to issues related to fat storage and utilization for energy. It is responsible for storing lipids and triglycerides that can be used by the body for energy.
A defect in yellow bone marrow production is not a well-defined medical condition. However, changes in the proportion of yellow and red bone marrow in the body can occur as a result of various factors, including aging, chemotherapy, radiation therapy, and some medical conditions such as leukemia and other blood disorders.
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which one is it I am confused A,B,C or D
Answers
Answer:
I think option B is right answer
Answer:
B) Image 1 -> Image 3 -> Image 4 -> Image 2
Explanation:
The pictures of the ecosystems are needed to be put into the simplest -> complex order.
Image 1 could be the simplest as it only has one organism.
Image 3 would be the next simplest as it has only a group of the same organism.
Image 4 would come next as it has aqua life and surroundings but the same fishes!
Image 2 would be the most complex, as it has various biodiversity and surroundings!
The order would go as Image 1 -> Image 3 -> Image 4 -> Image 2.
explain why a leaf cannot be tested for starch by adding iodine solution directly
Answers
answer.
waxy cuticle covering the leaves that prevents the penetration of iodine in the leave cells.
This is the question
Answers
Which process would bacteria living near a heat vent on the ocean floor use it build carbon-based molecules, such as sugars?A. Light- independent reactions B. Cellular respiration C. Fermentation D. Chemosynthesis
Answers
'Chemosynthesis' basically is the process which a bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars.
What do you mean by Chemosynthesis?
Chemosynthesis is a process by which some organisms use chemical energy to produce carbohydrates. This process occurs in environments where sunlight is not available, such as deep-sea hydrothermal vents. Organisms such as bacteria and other microbes convert chemicals such as hydrogen sulfide and methane into energy, which they use to produce organic molecules such as glucose.
The bacteria living near hydrothermal vents on the ocean floor use chemosynthesis to build carbon-based molecules, such as sugars, from the hydrogen sulfide and other chemicals that are spewed from the vent. The bacteria use the energy from the chemical reaction to form carbohydrates from the chemical reaction, which are then used as a source of energy for the bacteria. This process is thought to be the first form of energy production for life on Earth, and is seen as an important part of the global carbon cycle.
Hence, option D is correct.
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how much more atp can be generated by respiration than by fermentation
Answers
In comparison, only 2 ATP molecules are created per glucose molecule during fermentation. Thus, during respiration, significantly more ATP can be generated than during fermentation.
During respiration, significantly more ATP can be produced than during fermentation. The amount of ATP produced through respiration and fermentation varies significantly.
ATP is generated during both aerobic and anaerobic respiration, whereas only a small amount of ATP is generated during fermentation. In aerobic respiration, for each glucose molecule, the net gain of ATP is 38, while in anaerobic respiration, the net gain of ATP is 2. In contrast, during fermentation, only 2 ATP molecules are produced for every glucose molecule. Therefore, a lot more ATP can be produced during respiration than during fermentation.
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How can the retrograde rotation of planets and orbits of moons be explained in a naturalistic way?
Answers
Explanation:
On Mercury, for example, the sun sometimes moves in retrograde. As Mercury speeds through its closest approach to the sun, its orbital speed overtakes its rotational speed. ... Most of the large moons orbit in the same direction that their planet spins.
The mutation that causes the recessive condition, Tay-Sachs disease, also removes a Hind III restriction site in the gene sequence (shown below). A probe is available for this region, with the following homology: Η H Tay-Sachs mutant region -- -- HHLH Normal sequence -- - Probe Two couples are expecting a child. Each couple has their DNA and the DNA of their fetus tested to determine if their child will have Tay-Sachs. The results of a Southern blot using the probe shown in the diagram above are shown here: MI FI Child 1 M2 F2 Child 2 - - - - - - Will Child suffer from Tay-Sachs? Briefly explain your reasoning. Will Child 2 suffer from Tay-Sachs? Briefly explain your reasoning.
Answers
The results of a Southern blot using the probe shown in the diagram above (attached) are shown here: MI FI Child 1 M2 F2 Child 2. Yes, the Child suffers from Tay-Sachs. Child 2 does not suffer from Tay-Sachs.
A rare genetic illness called Tay-Sachs is inherited from one parent to the next. It results from the lack of an enzyme that aids in the breakdown of fatty compounds. In the brain and spinal cord, these fatty compounds, known as gangliosides, accumulate in toxic amounts and impair the nerve cells' ability to function.
According to the results of the southern blotting, child 1 exhibits a single band because of a gene mutation and the elimination of the Hind III region, which results in a single band. The phenotypic of child two will be normal and free of Thy-Sachs. Southern blotting data exhibits two bands, indicating the presence of a Hind III restriction site.
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Suppose the current exchange rate between Germany and Japan is 0.02 =C/¥. The euro-denominated annual continuously compounded risk-free rate is 4% and the yen-denominated annual continuously compounded risk-free rate is 1%.
a. What are the 6-month euro/yen and yen/euro forward prices
Answers
The 6-month euro/yen forward price is 0.0201185 €/¥.
The 6-month yen/euro forward price is 49.7307 ¥/€.
To calculate the forward prices, we need to consider the interest rate differentials between the two currencies.
1. Calculate the euro/yen forward price:
Forward price = Spot price × (1 + Euro interest rate) / (1 + Yen interest rate)
Forward price = 0.02 × (1 + 0.04) / (1 + 0.01)
Forward price = 0.0201185 €/¥
2. Calculate the yen/euro forward price:
Forward price = 1 / Euro/yen forward price
Forward price = 1 / 0.0201185
Forward price = 49.7307 ¥/€
Therefore, the 6-month euro/yen forward price is 0.0201185 €/¥, indicating the amount of yen needed to buy one euro in the future. The 6-month yen/euro forward price is 49.7307 ¥/€, indicating the amount of euros needed to buy one yen in the future.
These forward prices are determined based on the interest rate differentials and expectations of future currency exchange rates.
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One of the revolutions in molecular biology in the past decade was
the use of Green Fluorescent Protein (GFP) to make it easier to visually identify specific
components inside living cells. GFP can be seen under a microscope because it fluoresces,
or glows, when certain types of light shine upon it. Scientists can instruct a cell to link GFP
to a specific protein as it is being created and then follow the protein under a microscope.
Explain why this might be useful.
Answers
GFP can be useful because has been widely used as a biomarker and can be obtained from gene manipulation, using recombinant Escherichia coli as a microorganism for protein expression.
what does GFP allow?GFP allowed intracellular structures to be observed without the need to employ synthetic dyes or fluorescent antibodies (which may require the use of detergents for cell permeabilization, which can also harm them).
With this information, we can conclude that GFP can be useful because it has been widely used as a biomarker and can be obtained from gene manipulation, using recombinant Escherichia coli as a microorganism for protein expression.
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a specialized part of a cell which has a specific location is called ?
Answers
Answer: Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
Explanation:
a molecule made of many smaller molecules
Answers
Which of the following is the
stigma,
where pollen lands on
the flower?
A. D
B. C
C. B
D. A
Answers
Answer: D
Explanation: The stigma is the part of the pistil where pollen lands and germinates.
Answer: The answer is D
Explanation:
if diploid cells in cats (felis catus) typically contain 76 total chromosomes, how many total chromosomes will a cell contain after completion of both meiosis i and ii?
Answers
After Meiosis I and II, the cat will have 38 chromosomes.
A cat has 38 pairs of chromosomes, or 38 X 2 = 76 chromosomes. In the process of meiosis I, the two daughter cells of the cat will have 38 chromosomes as at the end of this process, each cell will have half the number of chromosomes. The chromosomes in the diploid cell resegregate to form haploid cells. Here, crossing over or recombination of genetic material occurs.
During meiosis II, the sister chromatids separate to form two different cells, forming four haploid cells. Here the dividing cell has only one set of homologous chromosome. No DNA replication occurs in this process. Thus, there are 38 chromosomes at the end of this process.
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albinism is a rare autosomal trait in humans. at the oca1 locus, the dominant allele (a) controls normal pigmentation and the recessive allele (a) controls albinism. a normally pigmented man, whose parents are normal, has one albino grandparent. this man marries a woman with the same pedigree.
Answers
Albinism is a rare autosomal trait in humans, meaning it is not linked to the sex chromosomes. The oca1 locus is responsible for controlling pigmentation. In this case, the dominant allele (A) controls normal pigmentation, while the recessive allele (a) controls albinism.
According to the given information, the man in question is normally pigmented and his parents are also normal. However, he has one albino grandparent. This suggests that the man is heterozygous for the oca1 locus, meaning he carries one dominant allele (A) and one recessive allele (a).
When the man marries a woman with the same pedigree, we can assume that she is also heterozygous for the oca1 locus. Therefore, there is a possibility of passing on both the dominant and recessive alleles to their offspring.
In conclusion, there is a chance that their children could inherit either the dominant allele (A) and have normal pigmentation or the recessive allele (a) and have albinism. The exact outcome would depend on the specific combination of alleles inherited from each parent.
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Explain ways that we conserve natural resources.
Answers
Answer:
Best Ways to Conserve Water at Home
Fill a bucket while showering and use it to water plants. Run the dishwasher only when full. Turn off the faucet while brushing your teeth. Create a lawn watering schedule using a watering calculator
Explanation:
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5. Think and discuss: If possible, discuss these food samples with your classmates and teacher. Try to come up with a type of food that corresponds to each sample
Answers
In discussing food samples, one should keep in mind that different foods provide different nutrients to the body. Food samples can be classified based on their nutrient composition, taste, and other characteristics. In this discussion, we will look at food samples.
This sample corresponds to leafy greens like kale, spinach, and arugula. Sample Salty, savoury, and soft. This sample corresponds to cooked meat products like steak and chicken breast.
This sample corresponds to fruits like apples, pineapples, and strawberries. Sample Umami, chewy, and soft. This sample corresponds to Japanese dishes like sushi rolls and ramen noodles.
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Fire fighters' suits are made with a bright shiny surface in order to
...... infrared radiation.
Answers
Answer:
maybe deflect or resist
In carpal tunnel syndrome, the __________ is compressed.
Answers
Answer:
Median Nerve
Explanation:
In Carpal Tunnel Syndrome the Median Nerve is compressed. This can cause tingling sensations in the fingers. This is caused by pressure on the nerve.
The equalizing temperature changes in response to changes in external forces of the boundary conditions of climate. What is this about?.
Answers
Climate sensitivity is about equalizing temperature changes in response to changes in external forces of the boundary conditions of climate.
The increase in global temperature that results from doubling the amount of carbon dioxide in the atmosphere above pre-industrial levels is commonly used to describe climate sensitivity. When doubling, carbon dioxide would be at about 520 parts per million (ppm), up from about 260 ppm before the industrial era. When compared to levels in the atmosphere prior to humanity beginning to burn copious amounts of fossil fuels in the 1800s, carbon dioxide and other greenhouse gases are multiplied by two to define climate sensitivity.
Climate sensitivity can be assessed using observed ocean heat absorption, observed temperature rise, and modeled or real-world radiative forcing. To determine climate sensitivity, the data are connected using a straightforward energy balance model.
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Ecological succession alters biodiversity over time. It occurs through various means, like destructive events such as fires or floods. These events pave the way for pioneer species to thrive, resulting in a greater diversity of both living and non-living elements. This process enhances the overall strength of the ecosystem.
Answers
Answer:
Ecological succession is the development of species after a disaster that destroys an ecosystem. Since ecological succession increases the number of species living in an area, it also increases biodiversity. For example, areas that have been through heavy mining are usually stripped to barren rock..
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Cellular (aerobic) respiration takes place in the presence of and with the use of a certain element.
Which element is it?
Answers
Answer:
air
Explanation:
Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.