the image depicts the anatomical structure of the forelimb of a dolphin and a bat, both mammals. Which hypotheses are consistent with the evolutionary relationship shown by this image? select ALL that apply.
a) bats are more closely related to birds than to dolphins do the similarity in flight
b) dolphins and bats share a common ancestor that is more recent than the one shared with birds
c) amino acid sequences for the cytochrome C analysis of these two species will also be similar
d) the dolphin in the back diverge under different selective pressures, which accounts for their differences
e) embryological comparisons of these two species will show homologies of each other than bats have with birds
Answers
Answer:
D. the dolphin in the back diverge under different selective pressures, which accounts for their difference
Explanation:
I hope this is helps you
Dolphins and bats share a common ancestor that is more recent than the one shared with birds.
Homologous bodiesHomologous organs are those that may or may not perform the same function, but have the same basic structure and the same embryonic development. This means, therefore, that individuals who have these organs have shared ancestry.
Whit this information, we can conclude that dolphins and bats share a common ancestor that is more recent than the one shared with birds.
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Related Questions
A wasp is a flying insect. In wasps, wing length is coded for by a single gene. Two scientists studying wasps hypothesize that short wings are recessive to long wings. Which of the following observations best supports this hypothesis?
A. Wasps with long wings are less likely to survive.
B. Wasps with long wings can produce offspring with short wings.
C.Wasps have wing lengths ranging from very long to very short.
D.Wasps with short wings prefer to mate with wasps with long wings.
Answers
Answer:
answer c is your answer final answer
Answer:
Your Answer Is C
Explanation:
Wasps have wing lengths ranging from very long to very short.
Hope I Helped!?
HELP AG CLASS
A mycologist is a specialized plant pathologist dealing in soil bacteria.
True
False
Answers
Answer:
false
Explanation:
I think mycologist is about mushrooms and yeast.
Answer:
False
Explanation:
Mycology is the study of fungi, not soil bacteria.
List developmental changes in animals
Answers
Name one function of the respiratory system other than gas exchange?
Answers
Answer:
another function of respiratory system is
it allows to breathe
help..................................................
Answers
Option F. It is moist and cool with decaying debris.
Answer:
F. It is moist and cool with decaying debris.
Explanation:
I know this because an earth room always needs their supplement from the dirt in order to stay moist and wet during any weather.
In cats, coat color is an X-linked trait with incomplete dominance. Yellow coat is caused by the allele XT and black coat by the allele Xt. A tortoise cost is caused by the heterozygous condition. What is the correct way to represent the genotype of a male cat with a black coat
Answers
Answer:
The genotype of a black male is XtY
Explanation:
Available data:
coat color is an X-linked trait with incomplete dominance.Yellow coat is caused by the allele XTBlack coat by the allele Xt.Tortoise coat is caused by the heterozygous conditionSo,
females genotypes females phenotype
XTXT → Yellow coat XtXt → Black coat XTXt → Tortoise coatmales genotype males phenotype
XTY → Yellow coat XtY → Black coatMales only carry one X chromosome, so they can only be either black - XtY- or yellow -XTY-.
Females are the only ones that can express the tortoise coat.
The correct way to represent the genotype of a male cat with a black coat - XtY
We know that,
In cats, coat color is an X-linked trait - it means it is influenced by the X allele onlyIn cats, coat color is shows incomplete dominance - it means if corresponding alleles present together they will show an intermediate coat color.the allele XT - Yellow coatthe allele Xt - black coatXTXt (heterozygous) - tortoise coat (incomplete dominance)In X linked traits heterozygous conditions are not possible in males as they have only one X allele and the other is Y allele.So,
Female cats genotype would be:
XTXT - female cat with yellow coatXTXt - female cat with a black coatXtXt - female cat with tortoise coatMale cats genotype:
1. XtY - black coat male cat
2. XTY - yellow coat male cat.
Thus, The correct way to represent the genotype of a male cat with a black coat - XtY
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what is basement membrane? and what is it made up of ? in detail plss help
Answers
In the Diffusion Through a Membrane lab, the model cell membranes
allowed certain substances to pass through based on which characteristic
of the diffusing substance?
O (1) size
O (2) shape
O (3) color
O (4) temperature
Answers
Answer:
4
Explanation:
Higher temperatures increase the energy and therefore the movement of the molecules, increasing the rate of diffusion. Lower temperatures decrease the energy of the molecules, thus decreasing the rate of diffusion
explica la relación entre el desarrollo de la resistencia a un insecticia entre una especie de insectos y la adaptación
Answers
Answer:explains the relationship between the development of resistance to an insecticia between a species of insects and the adaptation
Explanation:
QUESTION 6
Which of the following is NOT an enzyme
O Amylase
Lipase
Oxidase
Alanine
Answers
Capillaries are very thin, narrow blood vessels that allow for the transfer of oxygen, carbon dioxide, and nutrients. The image shows
how normal red blood cells and sickle-shaped red blood cells flow through a capillary,
Use information in the image to describe two ways that the sickle cell gene mutation affects the ability of red blood cells to perform
their normal function
Answers
Answer:
less packaging of oxygen
Explanation:
normal RBC (red blood cells) have a large surface area for oxygen packaging due to its biconcave shape but when mutation occurs the RBC being produced by the short bones is sickle shaped reducing surface area of haemoglobin exposed, responsible for packaging oxygen so tissues don't get right amount of oxygen
The genetic code was elucidated through the use of polyribonucleotide's synthesized either enzymatically or chemically in the laboratory. Given what we now know about the genetic code, how would you make a polyribonucleotide that could serve as an mRNA coding predominantly for may Phe residues and a small number of Leu and Ser residues?
What other amino acid(s) would be encoded by this polyribonucleotide, but in smaller amounts?
Answers
Answer:
The genetic codes are responsible for coding the amino acids. The messenger RNA (ribonucleic acid) consists of triplet codons, which is responsible for the synthesis of respective amino acid sequences. The UUU codes for the phenylalanine amino acids. Similarly, the incorporation of 5 mixtures such as ADP, GDP, CDP, and UDP can alternatively produce the mRNA polymer with the serine and lysine residue in a small amount.
EXPLANATION:
The genetic codes are responsible for coding the amino acids. The messenger RNA (ribonucleic acid) consists of triplet codons, which is responsible for the synthesis of respective amino acid sequences. The formation of the RNA stand is done by using ADP, GDP, CDP, and UDP (adenosine, guanosine, cytosine, and uridine diphosphate). It requires no template for the formation of polymers. Therefore incorporation of UDP is done by the incorporation of polynucleotide phosphorylase, which will result in the formation of poly U. The UUU codes for the phenylalanine amino acids. Similarly, the incorporation of 5 mixtures such as ADP, GDP, CDP, and UDP can alternatively produce the mRNA polymer with the ser and lysine residue in a small amount. For example in the stretch of polynucleotide UUU presence of one of the following codon UUA, UUG, CUU, CUC, CUA, CUG as well as UCU, UCC, UCA, UCG, and AGU can synthesize leucine and serine residues. (UUC)n can synthesize the polymer of phenylalanine, serine, and incorporation of few A and G will synthesize leucine. However, the presence of A, C, and G can also synthesize a small amount of tyrosine, isoleucine, and cysteine residue.
When the cells start multiplying at an abnormal rate it leads to complications in our body.What could be the reason for this?Find Out
Answers
Answer:
the reason is often cancer.
Explanation:
cancer cells multiply rapidly and cause tumors
list the 3 main types of rocks and the process of how they are craeted
Answers
A scientist gathers data on the growth of a population over time. A graph of the data is shown below.
Which statement below best describes the graph at point X?
A. The population is declining
B. The population is increasing
C. The population has reached the carrying capacity of the ecosystem
D. The population has exceeded the carrying capacity of the ecosystem
Answers
6. Define allele, please help me out
Answers
Answer:
allele is the pair of gene controlling the pair of contrasting characteristics
Answer:
each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
hope this answer helps you!
Please select the word from the list that best fits the definition
The movement of a substance through the cell membrane that requires energy.
Answers
Answer:
The correct answer is - active transport.
Explanation:
Active transport is the movement of a substance that crosses the cell membrane against the concentration gradient and therefore requires energy in the form of ATP. In contrast, passive transport does not require energy for the movement of a substance through the cell membrane as it moves to the concentration gradient.
This movement of molecules is towards the region of high concentration from the region of lower concentration through the cell membrane by elcectrochemical gradient or ATP.
Could someone help with this question?
Answers
Answer:
Geology
Morphology
Paleobiology
please help me :( this is due in 5 mins.
A segment of DNA strand has the following bases:
TAC GAT
What is the complementary strand of mRNA?
A: UAG CAU
B: TAG CAT
C: ATG CTA
D: AUG CUA
Answers
Answer:
is D: AUG CUA
Explanation:
1. Some individuals of a population or species are better suited to
a. evolve than other individuals.
b. survive and reproduce.
c. become extinct.
d. achieve punctuated equilibrium.
Answers
Answer:
I believe it's b. survive and reproduce.
Which of the following best describes the function of the Golgi apparatus within plant and animal cells?
No links please!
Answers
Answer:
The Golgi apparatus
Explanation:
The Golgi apparatus packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.
The overall efficiency of oxidative phosphorylation, assuming standard conditions, can be calculated by comparing the free energy potentially available from the oxidation of NADH by O2 to the free energy required to synthesize 2.5 ATP from 2.5 ADP. This comparison reveals an efficiency of 35%, which is based on the experimental measurement of 2.5 ATP for every NADH oxidized during oxidative phosphorylation. Using this efficiency, calculate the number of ATP generated by each of the following Complexes:
Answers
Answer:
The number of ATPs produced wheh efficiency is 100% is 71.42 ATP.
Explanation:
It is known that at the end of Kreb's cycle 10 NADH are produced
Now by using the unitary method
1 NADH produces=2.5 ATP
10 NADH produces=2.5 ATP x 10
10 NADH produces=25 ATP
This is for the efficiency of 35%.
35% efficiency produces ATPS=25
1% efficiency produced ATP=[tex]\dfrac{25}{35}[/tex]
100% efficiency produced ATP=[tex]\dfrac{25}{35}\times 100[/tex]
100% efficiency produced ATP=71.42 ATP
The number of ATPs produced wheh efficiency is 100% is 71.42 ATP.
3) Write 3 sentences that explain how limiting factors can change the carrying capacity of
an ecosystem?
Answers
Answer:
Limiting factors determine carrying capacity. The availability of abiotic factors and biotic factors dictates how many organisms can live in an ecosystem. Carrying capacity is also impacted by the availability of decomposers. ... Humans can also alter carrying capacity.
Microbiology refers to the study of
A. Microorganisms including bacteria, viruses and parasites
B. All multi-cellular organisms
C. All eukaryotic organisms
d. Microorganisms including all plants, animals and fungi
Answers
6. Compare the DNA of an offspring to the DNA of its parents.
Answers
Answer: In DNA the parent duplicates itself through a process known as mitosis. Any offspring is going to have the same exact DNA as the parent. (same characteristics, everything).
The comparison of the DNA of an offspring to the DNA of its parents is determined by the fact that every offspring gets 50% of its genome from each parent, but it is always a different 50%.
How does the DNA of parents compare to that of offspring?In the process of sexual reproduction, meiosis produces haploid gametes that fuse during fertilization to produce a diploid zygote. In other words, an offspring inherits half of the genetic material from each parent. The children resemble their parents, but they are not identical to them.
During the process of meiosis, gametes get a random chromosome from each pair. This means that there are over 8 million possible DNA combinations from 23 chromosome sets. Due to this, the difference in the genetic material or DNA sequences is occurred due to the process of variations between them while DNA copying.
Therefore, the comparison is made due to the mechanism through which every offspring gets 50% of its genome from each parent, but it is always a different 50%.
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The zygote is an example of a
cell in humans.
O A. pluripotent
O B. totipotent
O C. placental
O D. multipotent
Answers
Answer:
I think it it c
Explanation:
if not I'm sorry
The zygote is basically an example of totipotent cell in humans. The correct option is B.
What is totipotent cell?Cell potency refers to a cell's capacity to distinguish into various types of cells. The greater a cell's potency, the more cell types it can differentiate into.
A totipotent cell is a single cell that, when given the proper motherly assistance, can give rise to a new organism.
A totipotent cell is one that can generate all extraembryonic tissues, as well as all body tissues and the germline.
The term "totipotent" refers to a cell that has the ability to split and produce all differentiated body cells, both embryonic and extraembryonic.
Zygotes and spores are instances of totipotent cells in animals.
Thus, the correct option is B.
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Which of these do not contain muscles? uterus blood vessels calf muscles eye pupils
Answers
Answer: blood vessels
Explanation:
Answer: Blood Vessels
Explanation:
What can leaves do that roots cannot?
Answers
[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]
carry out photosynthesis
Answer:
2 carry out photosynthesis
Roots in the ground, it cannot.
HELP!!! I need the answer and reasoning!!! I’ll mark as brainliest!!!
Answers
Answer:
A. Destruction of terrestrial biota
Explanation:
all the other answers would decrease the carbon output. thickening of ocean sediments reinforces a carbon reservoir (which stores carbon), reduction in the use of fossil fuels would reduce the amount of carbon emissions, increase in marine biota = increase in carbon storage because marine biota is also a carbon reservoir.
Destruction of terrestrial biota would cause excess output because terrestrial biota is a carbon reservoir, and all of that carbon would be released into the carbon cycle.
_________ is a disease where patients cannot control their blood glucose levels
Answers
Answer:
Causes of type 1 diabetes: This is an immune system disease. Your body attacks and destroys insulin-producing cells in your pancreas. Without insulin to allow glucose to enter your cells, glucose builds up in your bloodstream. Genes may also play a role in some patients.
Explanation:
hope it helps
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