Answer:
Deltoid muscle
Trapezius muscle
Carpel muscle
Quadriceps
Hamstrings
Glutes
Abdominal muscles
Matching - some phyla may have more than one answer, some may have none.
1. Urochordata
2. Cephalochordata
3. Petromyzontida
4. Chonrichthyes
5. Actinopterygii
6. Sarcopterygii
7. Amphibia
8. Reptilia
9. Mammalia
10. Not a Chordate
A. Sting ray
B. Catfish
C. Newt
D. Sea squirt
E. Chestnut lamprey
F. Otter
G. Sea horse
H. Horse
I. Cormorant
J. Chimaera
K. Leopard frog
L. Caiman
M. Hellbender
N. Tunicate
O. Bald eagle
P. Sea star
Q. Echidna
R. Bandicoot
S. Cottonmouth
T. Sea lamprey
U. Tuatara
V. Flamingo
W. Lancelet
X. Caecillians
Y. Human
Z. Sawfish
Answer:
Matching - some phyla may have more than one answer, some may have none.
Explanation:
Urochordata: sea squirt, tunicate
Cephalochordata: lancelet
Petromyzontida: sea lamprey, chestnut lamprey
Chonrichthyes : stingray, saw fish, catfish, sea horse, chimaera
Actinopterygii: catfish, lampreys, sawfish
Sarcopterrygii:
Amphibia : newt, leopard frog, hell bender, caecillians
Reptilia: cotton mouth, caiman, tuatara, flamingo,cormant
Mammalia : human, horse, otter, bandicoot, echidna horse
Not a Chordate : sea star
What factors differentiate earths atmospheric layers
Explanation:
The different layers of the atmosphere. The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere, the stratosphere, the mesosphere and the thermosphere. A further region, beginning about 500 km above the Earth's surface, is called the exosphere.
hope it helps
The dust bowl refers to _______. a. a football championship game b. a period of drought during the civil war c. years of dust storms in the Midwest in the 1930’s d. a large flood plain in Oklahoma Please select the best answer from the choices provided A B C D
The dust bowl refers to a period of drought during the civil war.
What do you mean by dust bowl?The Dust Bowl was a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s. The phenomenon was caused by a combination of both natural factors and manmade factors.
Economic depression coupled with extended drought, unusually high temperatures, poor agricultural practices and the resulting wind erosion all contributed to making the Dust Bowl.
The Dust Bowl, also known as “the Dirty Thirties,” started in 1930 and lasted for about a decade, but its long-term economic impacts on the region lingered much longer.
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Which of the following are roles carbohydrates play in biological systems? Group of answer choices the basis of most of the organic matter on our planet (cellulose, chitin, etc.)
Answer: Here are the completed options
fuels
components of DNA and RNA
signalling
forming barriers between organelles
digesting enzymes
breaking up lipids for digestion
providing structure
The correct options are
most of the organic matter on our planet (cellulose, chitin, etc.)
Carbohydrates act as Body fuels
providing structure
Explanation:
Carbohydrates are biological molecules and are constituents of starches, sugars, glucose e.t.c and are made up of carbon, hydrogen and oxygen which are the major constituents elements of the most organic matter on the planet.
Carbohydrates is a body fuel that act as the major energy source in the body. It gives and provide energy in the body needed for biological activities.
In plants, carbohydrates make up part of the cellulose, giving plants strength and structure. carbohydrates is to form a structure called the glycocalyx.
Mitochondrion; crista Mitochondrion; crista Mitochondrion is a constituent part of crista. Crista is a constituent part of mitochondrion. Mitochondrion and crista are separate structures with no particular relationship to each other.
1. Mitochondrion; crista:
a. Mitochondrion is a constituent part of crista.
b. Crista is s constituent part of mitochondrion.
c. Mitochondrion and crista are separate structures with no particular relationship to each other.
2. Gobi complex; nucleus
a. Goo complex is a constituent part of nucleus.
b. Nucleus is e constituent part of Gobi complex.
c. Goo complex and nucleus are separate structures with no particular relationship to each other.
Answer:
1. b. Crista is s constituent part of mitochondrion.
2. c. Gobi complex and nucleus are separate structures with no particular relationship to each other.
Explanation:
The crista is an integral part of the mitochondria. As you already know, mitochondria is a cytoplasmic organelle. it has two members that delimit it, the outer membrane is completely smooth, however the inner membrane is composed of numerous folds, that are called crista, and that spread through the interior of the mitochondria. These crista have as main function to increase the surface of the inner membrane.
The Golgi complex is a cytoplasmic organelle, as is mitochondria. The nucleus, however, is a cell structure, it is totally separated from the golgi complex and there is no particular relationship between these two structures.
The golgi complex participates in the storage and distribution of substances in the cell, while the nucleus is responsible for housing and protecting genetic information.
How can you guarantee a high expression of your protein in any expression vector?
Answer:
protein expression refers to the way in which protein are synthesized, modified and regulated in living organisms.
Explanation:
In the protein research,the term can apply either the object of study or the laboratory techniques required to manufacture proteins.
Which is a correct observation based on the photo shown below? A bird with green, yellow, black, and white feathers is shown. It has a long narrow beak that is longer than the length of its head. The bird’s coloring indicates that it lives in trees with green and yellow leaves. The bird has a narrow beak that is longer than the length of its head. The bird probably uses its long beak to reach the nectar inside flowers. The bird must inhabit a cold climate since there is ice on the branches.
Answer:
im not for sure but i think that the answer is D. the bird must inhabit a cold climate since there is iceon the branches
Explanation:
sry if its wrong, have a merry christmas!!
(i originally put c but it was wrong so try D)
Answer:
(B) The bird has a narrow beak that is longer than the length of its head.
Explanation:
The other options are not observations based on the picture, they are inferences that cannot be made with the photo given.
Which of the following is a human-related release of greenhouse gases?
O A. Wild animal respiration
OB. Volcanic eruptions
O C. Intensive agriculture
O D. Solar cycles
It’s A
Answer:
C
Explanation:
I'm pretty sure it's actually C and not A. It's asking for human-related release from greenhouse gases. Humans don't cause volcanic eruptions and aren't in control of wildlife's respirations. The solar cycles has to do with the magnetic flux that rises to the surface of the sun and lasts 11 years. Intensive agriculture increases pollution which harms the environment.
Which examples show repair or replacement of damaged cells? a scrape being healed scars forming where a cut once belonged skin flaking off your arm in the winter
Answer:
Its A & B
Explanation:
a scrape being healed
scars forming where a cut once belonged
Answer:
A and B
Explanation:
i got it right on edge-
Which of the following is an example of a negative feedback loop? Select one: a. Uterine contractions to expel a fetus during labor b. Platelets signaling other platelets to activate during bleeding c. The formation of a clot after a laceration d. Increasing heart rate to compensate for low cardiac output
Answer:
d
Explanation:
The correct answer would be increasing heart rate to compensate for low cardiac output.
The negative feedback loop is the mechanism that is utilized in the maintenance of homeostasis. They work by opposing the processes that bring about a deviation away from setpoints, that is, the normal range of operation of physiological processes in the body.
For example, when the heart rate goes below the setpoint, the negative feedback loop swings into action through the sensor, the control center, and the effector to return the heart rate to the normal operating range.
Correct option: d
What would be the functional problems that would be experienced by a person in which the fiber tracts listed below have been cut. As part of your description give an example of an everyday event or activity and how it would be affected if the given tract was cut. Type your answers by number in the response box. 1. Dorsal column-medial lemniscal pathways 2. Anterolateral pathways 3. Spinocerebellar tracts 4. Pyramidal tracts
1. Dorsal column-medial lemniscal pathways - It would prevent the body from receiving stimuli related to pain and temperature: Corresponds to sensory pathways related to an organism's proprioceptive awareness. It is through these pathways that sensory stimuli and electrical impulses are transmitted from the body to the brain resulting in the display of quick and efficient responses. If cut, the individual would not be successful in receiving stimuli related to pain and temperature.
2. Anterolateral pathways - It would also prevent the sensation of pain and temperature, in addition to hindering the perception of touch and pressure: Located in the anterior part of the lateral column, this pathway is responsible for the transmission of nociceptive information, generally related to pain awareness. and temperature. Its cut would not only make it difficult to transmit these factors, but it would also make it difficult to transmit extroceptive information to the cortex.
3. Spinocerebellar pathways - would hinder information about the position of body members and joints: This pathway is located between the spinal cord and the ipsilaterally in the cerebellum. It consists of thousands of axonal fibers whose main function is to transmit information about the location of the body members, arms and legs, in addition to their joints. Its cut would make it difficult, or even prevent this information from being captured by the brain.
4. Pyramidal pathways - It would prevent the union of the cerebral cortex to the motor neurons of the spinal cord: It is formed by several axons that extend between the cerebral cortex and the spinal cord passing motor information that would be interrupted if the path was cut.
The Functional problems to be experienced when each fiber tracts is cut ;
1) Inability of to feel pain and temperature stimulus
2) Inability to perceive touch and pressure by the person
3) Inability to determine position of body organs like hands and legs
4) Prevention of the unionization of the cerebral cortex and the motor neurons
Every Fiber tract found in the human body system play a vital role in the overall functioning of the human therefore when any of the fiber tract is mutilated ( cut ) it presents some functional problems to the body.
When Dorsal column-medial lemniscal pathways is cut It would prevent the human body from receiving pain and temperature stimulus.
When Anterolateral pathways is cut the functional problem experienced is Inability to perceive touch and pressure by the person
When Spinocerebellar tracts are cut the individual will experience the Inability to determine position of body organs like hands and legs
When Pyramidal tracts are cut the functional problem experienced is the Prevention of the unionization of the cerebral cortex and the motor neurons located in the spinal cords
Hence we can conclude that the answers to your question are as mentioned above.
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Answer:
The answer is option B
Explanation:
In a parasitic relationship, it involves two different organisms of different species.
Mostly one of the organisms that's the parasite mostly benefits by feeding on its host and releasing toxic substances causing harmful effects on the organism.
So from the question the correct answer is the second option
Hope this helps you
46:11
The diagram shows an animal cell.
Which letter marks the location where carbon dioxide
is produced during respiration?
W
Х
Y
Z
g What technique of genomic library construction allows the genome to be cut by a given restriction enzyme at some but not all recognition sequences?
Answer:
Which DNA is restricted to making a genomic library? Explanation: Total genomic DNA of an organism is digested using restriction endonuclease and the fragments are inserted into a suitable phage
Describe the structure of a phospholipid and a phospholipid bilayer. Indicate the polar and nonpolar parts of the structure for each.
What Are Blood vessels
Answer:
[tex]\boxed{\mathrm{see \: below}}[/tex]
Explanation:
Blood vessels are vessels that carry blood through organs and tissues. The five types of blood vessels are: arteries, veins, arterioles, capillaries, and venules. The main function of blood vessels is to carry blood throughout the body.
Answer:The blood vessels are the components of the circulatory system that transport blood throughout the human body.[1] These vessels transport blood cells, nutrients, and oxygen to the tissues of the body. They also take waste and carbon dioxide away from the tissues. Blood vessels are needed to sustain life, because all of the body's tissues rely on their functionality.[2]
There are five types of blood vessels: the arteries, which carry the blood away from the heart; the arterioles; the capillaries, where the exchange of water and chemicals between the blood and the tissues occurs; the venules; and the veins, which carry blood from the capillaries back towards the heart.
The word vascular, meaning relating to the blood vessels, is derived from the Latin vas, meaning vessel. Some structures – such as cartilage, the epithelium, and the lens and cornea of the eye – do not contain blood vessels and are labeled avascular.
what kingdom is penicillum belongs to?
Answer:
penicillium belong to kindom fungi. It occurs by asexual reproduction.Explanation:
Hope it helps you.Look at the phylogenetic tree. Do robber crabs have more in common with humans or with sponges? What conclusion can you reach about their evolution?
Answer:
Robber crabs have more in common with humans than sponges.
Explanation:
Robber crabs have more in common with humans than sponges because sponges don't have tissues. Crabs and humans have specialised tissue.
Answer:
Hope this helps! From Plato
Explanation:
Robber crabs have more in common with humans, which are vertebrates. Sponges are simple organisms that don’t have tissues. Crabs and humans have specialized cells and tissues, bilateral symmetry, and a coelom. According to the phylogenetic tree, vertebrates and arthropods have more nodes, or common ancestors, than crabs have with sponges.
. As biochemists we are aware that the sequence of proteins influences their 3D structure and that these structures ultimately define the final function of each protein. Give these facts explain how the sequence and structure of K+ channels influence what ions are to be transported.
Answer:
See below
Explanation:
Potassium channels have the ability to allow only potassium ions to pass through with a remarkable accuracy. This is achieved due to the presence of a selectivity filter. There are 8 molecules of water that surround this filter. If the K+ ion is to go through the filter, it will have to lose these molecules. The dimensions of this pore, as determined by its 3D structure, correspond only to the K+ ions and not Na+ ions which are smaller in size and thus, will not be able to pass through the filter.
In a sample population of people, 36% have the recessive trait of "free" earlobes (q2). What is the frequency of the dominant allele for attached earlobes, p?
a. 0.40
b. 0.64
c. 0.10
d. 0.24
Answer:
Explanation
Given that 36% are recessive in traits
100-36 = 64% for dominant traits considering a whole population to be 100%
P=dominant allele
q= recessive allele
P2= dominant genotype
q2= recessive genotype
according to hardyweinberg principle, p+q=1
64/100= 0.64 frequency for dominant traits or genotype, therefore
p2=0.64
then
P=√0.64
p= 0.8
Therefore, dominant allele frequency (p) for the population is 0.8
Option B is correct. The frequency of the dominant allele for attached earlobes, p is 0.64
Let the recessive trait of "free" earlobes be q2Let the dominant allele for attached earlobes be "p2"Hence p + q2 = 1 according to hardyweinberg principle
Given the following parameters:
population of those with recessive traits = 36% = 0.36
p = 1 - q2
p = 1- 0.36
p = 0.64
Hence the frequency of the dominant allele is 0.64
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Classify the following organisms into their respective kingdoms
1)Yeast
2)Penicillium
3)Rhizobium
4)mushroom
5)Amoeba
6)fish
Answer:
Yeast - Fungi Penicillium - Fungi Rhizobium - Monera mushroom - Fungi Amoeba - Protozoan fish - AnimaliaExplanation:
The Fungi Kingdom is a kingdom composed, as the name says, of fungi, which are organisms represented by many species, among them: yeasts, mushrooms, molds, Penicillium and others. As you already know, fungi are eukaryotic and multicellular organisms (with the exception of yeasts).
The monera kingdom is the kingdom formed by bacteria and also has several species as members. Among these species we can mention the Lactobacilli, Escherichia coli, Rhizobium (nitrogen-nodulating bacteria, very important for the natural fixation of nitrogen in legumes), among others.
The kingdom of protozoa is very diverse and even has an organism that does not have any type of genetic, structural and morphological similarity, but in most cases, the members of this kingdom are heterotrophs, eukaryotic and unicellular organisms. An example of this is amoebas.
The animal kingdom is made up of all animals, the most diverse and populous kingdom. All animals belong to that kingdom, including fish.
New mutations can also occur randomly, so there’s a chance that children of parents who didn’t inherit the gene for Huntington’s can develop a mutation in the gene that causes Huntington’s disease explain how protein synthesis contributes to the symptoms of the disease
Answer:
It depends on the mutation rate
Explanation:
Mutations are genetic changes that occur naturally by errors during DNA replication which are not repaired by the DNA repair mechanisms. When a mutation occurs in the germline line, it may pass to the next generations and thus perpetuate itself. Huntington's disorder is an autosomal dominant disorder associated with a trinucleotide repeat mutation in the huntingtin (HTT) gene localized on chromosome 4, which encodes the Huntingtin protein. It has been shown that the high levels of Huntingtin are linked to Huntington's disorder, thereby it is believed that this mutation might be associated with a higher expression of the HTT gene.
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Answer:
the arrow between the kit fox and a coyote.the arrow between the grasshopper mouse and the red-tailed hawk.the arrow between the grasshopper mouse and the rattlesnake.the arrow between the grasshopper mouse and the coyote.the arrow between the rattlesnake and a red-tailed hawk.Explanation:
All of the options show matter moving from secondary consumers to tertiary consumers.
Hope it helps.
Bryozoans have several different forms. The branching form is often mistaken for a type of coral. Which is true and can be used to differentiate bryozoans from corals?
Answer:
Bryozoans belong to phylum bryozoa
while corals belong to phylum cnidaria.
Bryozoans are more advanced than corals.
bryozoans have an anus while corals do not have an anus
bryozoans tentacles don’t sting like corals.
5. Analyzing a family's traits
Cindy is a beautiful teenager who becomes very upset when her hair begins to fall out in
big patches. Her sister Lynn is not experiencing hair loss, but their mother, Judy, states
that she has been losing her hair for years. The girls' maternal grandmother also lost hair,
although the maternal grandfather (mother's side), and the two paternal grandparents
(father's side) all have full heads of hair. This condition of hair loss is called alopecia
areata and is inherited as an autosomal dominant trait.
Construct a pedigree to represent the expression of alopecia areata throughout three
generations in Cindy's family. Under each symbol, write the person's name. Next to
each symbol, write the letters representing that person's known genotype (AA, Aa, aa,
or A
If Cindy marries a man with no evidence of alopecia in his family, what is the prob-
ability that their first child will have alopecia areata?
Cindy
Probability?
Answer and Explanation:
The pedigree is in the attached file named Pedigree. And due to technical issues, the answer and explanation are also attached in the file named Cindy´s family
what are the steps to construct a modern beehive
Answer:
go and type this you will get it
Explanation:
How to construct a modern beehive
Hope it helps you
In traditional hives, the bees make their own wax combs that are often attached to each other, so harvesting the honey is difficult. Honey can be extracted only two or three times a year from a traditional beehive. A modern beehive produces double to triple the volume of honey compared to a traditional hive.
You are a graduate student in the lab of a famous fly geneticist. You need to analyze a batch of mutant flies that were recently created in her laboratory to identify the single gene that is most likely mutated in each of the flies. Drag the mutations on the left to the appropriate blanks on the right to complete the sentences.
a. knirps (a gap gene)
b. hunchback (a gap gene)
c. hedgehog (a segment-polarity gene)
d. wingless (a segment-polarity gene)
e. kruppel (a gap gene)
f. even-skipped (a pair-rule gene)
1. Mutant fly F has predominantly lost abdominal structures, which is likely the result of a mutation in_____.
2. The wings are missing in mutant fly L, which is likely the result of a mutation in______.
3. Thoracic and abdominal structures are missing in mutant fly Q. The gene most likely responsible for this mutation is______.
4. Segment-sized sections of every other segment are missing in mutant fly Z. One likely candidate gene is_______.
5. Mutant fly X has lost the head and thorax. The gene most likely responsible for this mutation is_______.
6. The mutation observed in mutant fly O resulted in defects within the anterior or posterior regions of each segment. The gene that most likely caused this mutation is_______.
Answer:
knirps (a gap gene)
wingless (a segment-polarity gene)
kruppel (a gap gene)
even-skipped ( a pair-rule gene)
hunchback (a gap gene)
hedgehog (a segment-polarity gene)
Explanation:
The gap, segment-polarity and pair-rule genes play central roles in controlling embryonic development of arthropods. In the first place, the gap genes are associated with the formation of contiguous body segments, thereby mutations in these genes result in gaps in the normal body plan of the embryo. For example, in Drosophila melanogaster, mutations in the knirps, Krüppel and hunchback genes result in deletion of body segments. These genes are also known to regulate segment polarity genes, which determine the polarity of the embryonic parasegments by modulating Wnt and Hedgehog signaling pathways. Finally, the pair-rule genes work together with gap genes to control embryonic development of alternating body segments.
Properties of water Classify each statement as an example of adhesion, cohesion, or surface tension. Match each statement to the appropriate category.
a. A sewing needle floats when it is placed gently on top of water in a bucket.
b. Water molecules ding to plant cell walls. A water strider runs across a pond without breaking the surface.
c. A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface.
d. Water molecules cling to the side of a beaker. Water molecules are attracted to each other.
Answer:
c
Explanation:
DNA and RNA are structurally similar in some ways, but different in others. Identify whether each of the following statements applies to DNA, RNA, both or neither.
1. It can contain the pyrimidine cytosine.
2. It can contain the pyrimidine uracil.
3. This contains the sugar 2'-deoxyribose.
4. In terms of base composition, the %A = %C.
5. This contains the sugar ribose.
6. The bases are attached to sugars in a beta-N-glycosidic linkage.
7. It contains equal amounts of guanine and cytosine.
8. Sugars are connected with a 3'-5' phosphodiether link.
Answer:
Explanation:
1. It can contain the pyrimidine cytosine - Both
2. It can contain the pyrimidine uracil - RNA
3. This contains the sugar 2'-deoxyribose - DNA
4. In terms of base composition, the %A = %C - Neither: %A = %T
5. This contains the sugar ribose - RNA
6. The bases are attached to sugars in a beta-N-glycosidic linkage - Both
7. It contains equal amounts of guanine and cytosine - Both
8. Sugars are connected with a 3'-5' phosphodiether link - Neither: they are connected by a 3'-5' phosphodiester link
How did Dinosaurs diminished from earth?
Answer:
Hey there
It is believed that the dinoursars diminished from earth through a massive meteorite which weight 2 trillion tons which hit the earth causing maximum heat and it killed all the dinoursars
Explanation:
Have a nice day