Examine the cladogram; What is one shortcoming of this proposed family tree?
Answers
Although we do not have access to the diagram in question, we can say in general terms that cladograms are used to study the ancestral relationship of organisms based on physical traits and phenotypes.
Why is a cladogram not very effective?The major shortcoming produced by a cladogram is its lack of genetic factors. Cladograms focus on comparing organisms based solely on phenotypes and physical traits, which results in errors due to ignorance of genetic factors which would allow for more precise results.
Therefore, we can confirm that cladograms are used to study the ancestral relationship of organisms based on physical traits and phenotypes, and their shortcoming is the lack of genetic factors.
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Related Questions
The presence of an uncompetitive inhibitor in an enzyme-catalyzed reaction will alter which of the following in a Lineweaver-Burk plot?
A.) Intercept on the y-axis
B.) Slope of the plot
C.) Intercept on the x-axis
D.) Shape of the plot
E.) The intercept on both axes
Answers
The presence of an uncompetitive inhibitor in an enzyme-catalyzed reaction will alter intercept on the x-axis in a Lineweaver-Burk plot
In a Lineweaver-Burk plot, the reciprocal of the initial velocity (1/V) is plotted against the reciprocal of the substrate concentration (1/[S]). The slope of the plot is equal to Km/Vmax, while the y-intercept is equal to 1/Vmax.
In the presence of an uncompetitive inhibitor, the inhibitor binds to the enzyme-substrate complex, causing a decrease in the amount of product formed and a decrease in the apparent Vmax.
This results in a change in the y-intercept of the Lineweaver-Burk plot, but does not affect the slope of the plot. However, it causes an increase in the apparent Km, which leads to a change in the x-intercept of the Lineweaver-Burk plot.
Therefore, the presence of an uncompetitive inhibitor in an enzyme-catalyzed reaction alters the intercept on the x-axis in a Lineweaver-Burk plot.
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What is a cactus' environmental pressures?
Answers
Explanation:
high temperature and low rainfall this leads to the need for adaptation to conserve water and tolerate extreme heat one of the main environmental pressures for cacti is water
Calcium and phosphate are important parts of the bone matrix because they:
A provide flexibility to bone.
B promote the formation of cartilage.
C provide strength and durability to bone.
D produce blood cells in the bone marrow.
Answers
Answer: it’s c
Explanation:
Answer: provide strength and durability to bone.
Explanation:
how does the process of sedimentary rock formation change the geosphere
Answers
Answer:
Explanation:
Sedimentary rocks are formed via weathering and transport of existing rocks, and then deposition, cementation, and compaction into a sedimentary rock.
Directions: Choose any river in the world. Conduct an internet search and list the following information on your river.
1. Name of river, its source (beginning of river), and outlet (where the river flows to)
2. Location of the source (state, county, country, etc.) and its watershed (flow pattern). Include states or areas the river flows through, including major cities or lakes
3. Direction the river flows, names of tributaries that join the river
4. Names of any structures that affect the river's flow (dams, levees, etc.)
5. What is the condition of the water in the river? List and describe any environmental concerns.
Please help!!
Answers
In India, state Uttarakhand At Gomukh, the end of the Gangotri Glacier, in the Himalayan Mountains, the Ganges River begins. The Bhagirathi River's crystal-clear waters are formed when this glacier's ice melts.
What is the river?The Bhagirathi River officially becomes the Ganges River when it joins the Alaknanda River as it runs over the Himalayas.
On the Ganga River, 24 dam or river barrage constructions were finished. Tehri, Haridwar, Rihand, and other well-known dams on the Ganga are only a few examples.
Therefore, one thousand times more copper parts per million are discharged in the Pandu than in unpolluted water before it ever reaches the Ganga.
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Which New York State landscape region is composed of mostly horizontal sedimentary bedrock and has a high elevation?
1 Hudson Highlands
2.Manhattan Prong
3. the Catskills
4.Taconic Mountains
Answers
The Catskills is the New York State landscape region that is composed mostly of horizontal sedimentary bedrock and has a high elevation.
Explanation:The New York State landscape region that is composed of mostly horizontal sedimentary bedrock and has a high elevation is the Catskills.
The Catskills are located in southeastern New York and are known for their scenic beauty and outdoor recreational opportunities. The region is primarily made up of sedimentary rocks, such as sandstone and shale, which were deposited millions of years ago.
The Catskills have a high elevation, with the highest peak, Slide Mountain, reaching over 4,000 feet. This elevation contributes to the region's cooler temperatures and the formation of numerous waterfalls and deep valleys.
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how did you get this answer i don't get it
Answers
What question?- there's nothing there
how does the temperature change with altitude in the troposphere?
Answers
Answer:
The troposphere is heated from the ground, so temperature decreases with altitude. Because warm air rises and cool air sinks, the troposphere is unstable. In the stratosphere, temperature increases with altitude.
Explanation:
What is Storm water?
Answers
Answer:
Storm water is:surface water in abnormal quantity resulting from heavy falls of rain or snow.
Explanation:
Hope i helped u dear.
Which mechanism of gene expression regulation is the fastest but most energy demanding of the cell?.
Answers
Answer:
Post-translational control.
Explanation:
Because this mode involves modification of an already synthesized protein, it is the fastest in terms of regulating the activity of the gene product.
the hybrid orbitals used for bonding by xe in the unstable xef2 molecule are __________ orbitals.
Answers
The hybrid orbitals used for bonding by xe in the unstable XeF2 molecule are sp3d hybrid orbitals. The molecule XeF2 has a linear geometry in its hybridization.
Its hybridization is sp3d, which indicates that it has three hybrid orbitals and two unhybridized p-orbitals (one axial and one equatorial) perpendicular to the plane of the three hybrid orbitals. Each fluorine atom contains seven valence electrons, and each Xe atom contains eight valence electrons. The Xe atom's outermost electrons, including both paired and unpaired electrons, participate in hybridization to create a total of five hybrid orbitals. Four of these hybrid orbitals are employed for bonding, with two being utilized in a σ-bond with each F atom, and the remaining two remaining unpaired electrons are used for a lone pair on the Xe atom. As a result, the hybridization process results in the formation of sp3d hybrid orbitals. Therefore, sp3d hybrid orbitals are the hybrid orbitals used for bonding by Xe in the unstable XeF2 molecule.
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Which of the following do starch and cellulose have in common?a. the size of their monosaccharide subunitsb. their main function in plantsc. the amount of hydrogen bonding that occurs between parallel strandsd. the type of glycosidic linkage used
Answers
Starch and cellulose both have the same size of monosaccharide subunits, which are glucose molecules. However, they differ in the type of glycosidic linkage used.
Starch is composed of α-glucose molecules, while cellulose is composed of β-glucose molecules. Both starch and cellulose are found in plants, but they have different functions. Starch is a storage polysaccharide used for energy storage, while cellulose is a structural polysaccharide used for providing rigidity and support to plant cell walls.
In terms of hydrogen bonding, cellulose has more extensive hydrogen bonding between parallel strands compared to starch. Overall, while starch and cellulose share some similarities in their structure and function, they also have distinct differences that make them suited for their specific roles in plants.
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Why do some croplands suffer from excessive soil salinity?
Answers
Salts occur naturally within soils and water. Salination can be caused by natural processes such as mineral weathering or by the gradual withdrawal of an ocean. It can also come about through artificial processes such as irrigation and road salt. Soil salinity can be reversed, but it takes time and is expensive. Solutions include improving the efficiency of irrigation channels, capturing and treating salty drainage water, setting up desalting plants, and increasing the amount of water that gets into aquifers. Mulches to save water can also be applied to crops. Salinity becomes a problem when enough salts accumulate in the root zone to negatively affect plant growth. Excess salts in the root zone hinder plant roots from withdrawing water from surrounding soil. This lowers the amount of water available to the plant, regardless of the amount of water actually in the root zone. If the level of salts in the soil water is too high, water may flow from the plant roots back into the soil. This results in dehydration of the plant, causing yield decline or even death of the plant. Crop yield losses may occur even though the effects of salinity may not be obvious. The excessive use of water for irrigation in dry climates, with heavy soils, causes salt accumulation because they are not washed out by rainfall. ... The practice of waterlogging without adequate drainage has also become a serious cause of soil salinization.
If you crossed two heterozygous plants, how many of the offspring will also be heterozygous?
A. 4/4
B. 3/4
C. 2/4
D. 1/4
Answers
Answer:
C. 2/4
Explanation:
If we crossed 2 heterozygous plants, 2/4 of the offspring will be heterozygous.
In 2-3 sentences, explain how crossing over and independent assortment in sex cells affect the appearance of the fully developed organism.
Compare how asexual and sexual reproduction affect the genetic variation of a population
Answers
By generating genetic variation, crossing over and independent assortment in sex cells influence how the fully grown creature looks.
During meiosis, crossing over occurs when homologous chromosomes exchange genetic material, resulting in new combinations of alleles. Independent assortment occurs when chromosomes line up randomly during meiosis, which can lead to different combinations of maternal and paternal chromosomes in the resulting gametes. These gametes can unite during conception to produce kids with fresh and distinctive genetic combinations, which can lead to a variety of physical traits and attributes.
Contrarily, meiosis and the generation of gametes are not involved in asexual reproduction. Instead, a single parent generates genetically identical offspring using processes like binary fission or budding. Because of this, neither meiosis nor fertilisation can produce genetic variation, and the progeny are identical to their parents. As there is no new genetic material to adjust to changing environmental conditions, this may limit the population's ability to adapt.
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i need a key MADE. I DON'T KNOW HOW TO MAKE IT! PLEASE HELP!! i need this ASAP!!!
- Can it produce its own food?
Yes: Go to 2
No: Go to 3
- Is the organism unicellular?
Yes: It is a yeast
No: It is a hydra
- Does the organism have hair?
Yes: It is a cat
No: Go to 4
- Is the organism unicellular?
Yes: It is a bacteria
No: The organism cannot be identified using this key.
Answers
This is an example of a dichotomous key used to identify organisms based on their characteristics. The key has four decision points, and depending on the answers to the questions, the user can identify the organism.
What are identifying traits?The key is useful for identifying certain types of organisms based on their unique characteristics, but it may not be comprehensive enough to identify all organisms. In addition, other factors such as habitat, behavior, and DNA analysis may be needed to identify certain species.
Can it produce its own food?
Yes: Go to 2
No: Go to 3
Is the organism unicellular?
Yes: It is a yeast
No: It is a hydra
Does the organism have hair?
Yes: It is a cat
No: Go to 4
Is the organism unicellular?
Yes: It is a bacteria
No: The organism cannot be identified using this key.
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What can be done to quickly produce large numbers of identical plants with this same trait
Answers
Answer:
Plants can be cloned to quickly produce large numbers of identical plants with similar traits.
Explanation:
Which process seems to be the most similar between eukaryotic and prokaryotic genetic regulation?
A) transcriptional regulation
B) RNA splicing regulation
C) intron/exon shuffling
D) 5'-capping regulation
E) poly(A) tail addition
A) transcriptional regulation
Answers
The process that is most similar between eukaryotic and prokaryotic genetic regulation is transcriptional regulation, as indicated by option A.
Transcriptional regulation is a fundamental process in both eukaryotes and prokaryotes that controls gene expression. It involves the regulation of RNA polymerase binding to the DNA template and the initiation of transcription.
In prokaryotes, transcriptional regulation primarily occurs through the interaction of regulatory proteins, such as transcription factors, with specific DNA sequences called operator sites. These proteins can either enhance or inhibit the binding of RNA polymerase to the promoter region, thereby controlling gene expression.
Similarly, in eukaryotes, transcriptional regulation involves the interaction of transcription factors with DNA regulatory elements, including enhancers and promoters. These elements dictate the binding of RNA polymerase to the promoter region and the subsequent initiation of transcription.
While there are additional complexities in eukaryotic transcriptional regulation, such as chromatin remodeling and the involvement of transcriptional coactivators and corepressors, the basic process of controlling gene expression at the transcriptional level is shared between eukaryotes and prokaryotes. Therefore, option A, transcriptional regulation, is the process that is most similar between eukaryotic and prokaryotic genetic regulation.
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How can you find the net free energy captured by any amount of moles of ATP?
Answers
The net free energy captured by any amount of moles of ATP can be determined using the formula: ΔG = ΔG°' + RTln([products]/[reactants])
where ΔG is the change in free energy, ΔG°' is the standard free energy change, R is the gas constant, T is the temperature in Kelvin, and [products] and [reactants] are the concentrations of products and reactants, respectively.
For the hydrolysis of ATP to ADP, the standard free energy change (ΔG°') is -7.3 kcal/mol or -30.5 kJ/mol at pH 7. The actual free energy change (ΔG) depends on the concentrations of ATP and ADP in the system. At equilibrium, the ratio of [ADP] to [ATP] is about 1:100, which means that the actual ΔG for the hydrolysis of ATP to ADP is about -7.3 kcal/mol or -30.5 kJ/mol.
To calculate the net free energy captured by a certain amount of moles of ATP, you would need to know the concentration of ATP in the system and the concentration of ADP and/or the products of ATP hydrolysis. You can then use the formula above to calculate the actual free energy change for the hydrolysis of that amount of ATP and determine the net free energy captured.
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why is the cycling of matter important to life on earth?
Answers
Answer:
It needs to have it
Explanation:
Earth is earth
QUESTION 22 Which statement is TRUE about cells containing a mutation that prevents meiotic crossovers from occurring? A. Homologous pairs of sister chromatids will properly segregate to opposite pole
Answers
Meiosis is the process by which haploid sex cells (gametes) are produced from diploid cells. The process of crossing over is significant because it allows genetic diversity among gametes. Meiosis, which is unique to sex cells, is responsible for genetic diversity among gametes.
Meiosis is the process by which haploid sex cells (gametes) are produced from diploid cells. The process of crossing over is significant because it allows genetic diversity among gametes. The statement that is true about cells containing a mutation that prevents meiotic crossovers from occurring is that Homologous pairs of sister chromatids will properly segregate to opposite poles. Meiosis is the biological process by which cells divide, resulting in four non-identical haploid daughter cells, each of which is half the original organism's chromosomes. The process consists of two rounds of cell division, known as meiosis I and meiosis II.
Meiosis, which is unique to sex cells, is responsible for genetic diversity among gametes. It is due to two significant events: recombination and independent assortment. Recombination, also known as crossing-over, occurs during meiosis I, and it is the exchange of genetic material between homologous chromosomes. It is a significant mechanism for creating genetic variation among offspring since it shuffles alleles. During meiosis, homologous chromosomes pair up and exchange genetic information. The homologous chromosomes separate, resulting in four haploid cells that contain a unique set of genes.
Chromatids are duplicated chromosomes that are held together by a centromere. Homologous chromosomes have the same genetic material but come from different parents. They are similar but not identical chromosomes. If there is a mutation that prevents meiotic crossovers from occurring, it results in the failure of chromosomes to exchange genetic material, leading to an absence of genetic diversity among the resulting offspring. However, homologous pairs of sister chromatids will properly segregate to opposite poles.
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How does the number of chromosomes in each cell at the end of meiosis I compare to the number of chromosomes that were in the cell at the beginning of prophase I?
Answers
At the end of meiosis I, the number of chromosomes in each cell is half the number of chromosomes present at the beginning of prophase I. This is because the chromosome number is reduced during the first division of meiosis. Meiosis is the type of cell division that leads to the formation of gametes.
It involves two successive rounds of cell division, namely meiosis I and meiosis II. The first round of meiosis is known as reduction division because it reduces the number of chromosomes in each cell by half.The process begins with the replication of the genetic material, resulting in the formation of identical chromosomes. These replicated chromosomes then pair up to form a structure called a bivalent or a tetrad. This pairing up of chromosomes is known as synapsis.During prophase I, the bivalents undergo crossing over, which involves the exchange of genetic material between homologous chromosomes. This process results in the formation of new combinations of genetic traits. In metaphase I, the bivalents line up at the metaphase plate, ready for separation.
The separation of the bivalents during anaphase I results in the formation of two haploid cells, each with half the number of chromosomes as the parent cell.Hence, the number of chromosomes in each cell at the end of meiosis I is half the number of chromosomes present at the beginning of prophase I. This ensures that the gametes formed at the end of meiosis have the correct number of chromosomes.
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can someone help me it’s my last question of the day
Answers
Answer:
apoptosis
Explanation:
this person have brown hair, brown eyes, and attached earlobes what type of information is stated about the person
Answers
Explanation: phenotype are the observable characteristics of an individual so like eye colour, height, etc
Genotypes is more related to the genetic constitution of an individual
what is the difference between eukaryotic and prokaryotic cells? (give 5 differences)
Answers
Answer:
Prokaryotes are always unicellular, while eukaryotes are often multi-celled organisms
eukaryotic cells are more than 100 to 10,000 times larger than prokaryotic cells
eukaryotic cells are more complex than prokaryotic cells
The DNA in eukaryotes is stored within the nucleus, while DNA is stored in the cytoplasm of prokaryotes
A Prokaryotic cell is surrounded by a single membrane layer but In the case of Eukaryotic, there are two surroundings 1. Plasma membrane 2. Nuclear membrane.
Explanation:
How
many ATP are created by fermentation?
Answers
Answer:
2 ATP
Explanation:
Fermentation begins with glycolysis which breaks down glucose into two pyruvate molecules and produces 2 ATP
Answer:
2 ATP
Explanation:
I agree
which observation provides the strongest evidence that the genes encoding the two traits display genetic linkage?
Answers
The observation that the frequency of the two traits occurring together in offspring is significantly higher than what would be expected by chance provides the strongest evidence that the genes encoding the two traits display genetic linkage.
This suggests that the two genes are physically located close to each other on the same chromosome and are therefore more likely to be inherited together as a unit.
Also when the traits consistently co-segregate during inheritance, meaning they are inherited together more frequently than expected for genes that assort independently. This is often due to the close proximity of the genes on the same chromosome, reducing the likelihood of being separated by recombination during meiosis.
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Cytokinesis is when the cell
separates into two identical
daughter cells. Cytokinesis is
which phase of cell division?
Answers
Answer:
D.) Last
Explanation:
If cytokinesis is when the cell separates into two identical daughter cells, this means that DNA replication and mitosis must have already occurred. The duplication of the parent cell's DNA and organelles is what makes the daughter cells identical. These processes must occur before the cell literally divides.
N20 can be removed from the atmosphere through the nitrogen cycle true or false?
Answers
Answer:
The answer is False
Explanation:
Nitrous oxide is removed from the atmosphere when it is absorbed by certain types of bacteria or destroyed by ultraviolet radiation or chemical reactions.Which tatement BEST decribe the relationhip between adenoine diphophate (ADP and adenoine triphophate (ATP)?
©
A. With an input of energy, ADP rearrange to become ATP. B. Without any energy change, ADP rearrange to become ATP. • C. With an input of energy, ADP combine with a phophate group to become ATP. O D. With a releae of energy, ADP combine with a phophate group to become ATP
Answers
The link between adenosine diphosphate (ADP) and adenosine triphosphate (ATP) is best explained by the fact that when energy is added, ADP interacts with a phosphate group to form ATP. The right Option is (c).
The mitochondria of cells are thought of as the powerhouse since ATP is produced there. As seen in the reaction below, ATP is produced when ADP reacts with an inorganic phosphate and an energy source to generate ADP;
Pi + energy + ATP + H2O = ADP + inorganic phosphate
One adenine, one sugar, and two phosphates make up the biological molecule known as adenosine diphosphate (ADP). Its most crucial function is the creation of ATP, the most vital energy molecule in living cells, when it is coupled with a phosphate molecule. An enzyme called ATP synthase produces ATP during oxidative phosphorylation. Specifically, protons travel through the protein and cause a conformational change once a proton gradient is established. ADP and inorganic phosphate are then combined by ATP synthase to form an ATP molecule.
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Correct Question:
Which statement BEST describes the relationship between adenosine diphosphate (ADP) and adenosine triphosphate (ATP)?
A. With an input of energy, ADP rearranges to become ATP.
B. Without any energy change, ADP rearranges to become ATP.
C. With an input of energy, ADP combines with a phosphate group to become ATP.
D. With a release of energy, ADP combines with a phosphate group to become ATP.