Answer:
evaporation,condensation,precipitation,runoff
Answer:Evaporation, condensation, precipitation, runoff
Which of the following vessels do not have the ability to constrict and dilate? Arterioles Arteries Capillaries Veins
Answer:
capillaries
Explanation:
they don't need to constrict or dilate as the blood pressure is already low in capillaries.
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
why is it necessary to seperate oxygenated and deoxygenated blood in mamals and birds? explain
Answer:
It is necessary to separate oxygenated and deoxygenated blood separate in mammals and birds to maintain their body temperature. Also, if they both are mixed, the blood will get impure and it would be difficult for the heart to supply impure blood. We also can't live with impure blood so we most probably will die.
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 areas indicates the occipital lobe on the diagram below? Region A is the anterior (front) section. Region B is the medial (middle) superior (up) section. Region C is the posterior (back) section. Region D is the medial (middle) inferior (down) section. Region D Region B Region C Region A
Answer:
Region C is the posterior (back) section.
Explanation:
Hope it helps.
The area which indicates the occipital lobe on the diagram below Region C is the posterior (back) section.
What area is present in the occipital lobe?
The occipital lobe is the visible processing area of the brain. It is associated with visuospatial processing, distance and depth detection, color determination, object and facial recognition, and memory formation.
Where can the occipital lobe be found?In the Back Area of each cerebral hemisphere.
Where is the place seen?
occipital lobe
The visual cortex is located in the occipital lobe of the brain and is primarily responsible for interpreting and processing visual information obtained from the eyes. The amount of visual information obtained and processed by the visual cortex is truly large.
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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.
Why did bear island provide a great opportunity to decipher entire food chains?
Answer:
Due to the presence of limited number of species.
Explanation:
Bear island provide a great opportunity to decipher entire food chains because this island has many animals species which interact with each other or depend on one another due to the presence of less animals for feeding purpose. This island is isolated from the rest of the world so it provide a great opportunity to study the entire food chains that are present at that island. There is less number of species so knowing about their feeding choices is easier for the ecologists.
The bear island provide a great opportunity to decipher entire food chains is :
-Due to the presence of constrained number of species.
Bear IslandThe bear island provide a great opportunity to decipher entire food chains is due to the presence of constrained number of species.
Bear island give a extraordinary opportunity to disentangle whole nourishment chains since this island has numerous creatures species which connected with each other or depend on one another due to the nearness of less creatures for nourishing reason.
This island is disconnected from the rest of the world so it give a awesome opportunity to consider the whole nourishment chains that are present at that island.
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1. Segmentation first evolved in the organisms of phylum Annelida, and vertebrates evolved more recently. How does the vertebrate body plan display segmentation and what are some associated benefits
Answer:
Segmentation is a part of characteristic of the body plans of various goup of animals including the annelids, and recently developed vertebrates. There are three different segmental systems origin in development of the vertebrates that are - the somites, the rhombomeres and the pharyngeal arches.
benefits of the segmentation development are -
Different type of anatomical and morphological developments are helps in facilitate specific functions are led by the segmented body.
Paraxial mesoderm also have segmentation that helps in lateral movement
It also helps in the consistent and fast interaction or communication in the neuronal system.
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
What is genetic engineering and important of genetic engineering
Answer: Genetic engineering is manipulating or modication an organisms' dna or cells.
Cloning is a great example of genetic engineering.
Explanation: it is important because it is use to produce medicine such as Insulin and other vaccines for dfferent diseases.
Hope this helped :)
compare the innate and adaptive responses to repeated challenge with the same antigen by sketching the immune response curve over time
Answer:
Innate immunity is defined as the first line of defense against infections and faster than adaptive immunity while adaptive immunity is second or third line of defense mediated by the T and B lymphocytes.
Adaptive immunity forms memory cells for the same antigen while innate immunity do not.
As shown in the graph below, when an antigen enter in the body for the first time, our immune system response with innate immunity and response immediately with several symptoms such as sneezing, swelling or redness et-cetra. Then after few days adaptive immunity forms which is mediated by the T and B lymphocytes by forming against the antigen.
Now if the body exposed to the same antigen again (Secondary exposure), the immune system shows amplified response as it has already formed memory cells against the antigen.
Which of these is most likely to cause increasing numbers of severe weather
events?
A. Slowing of the thermohaline circulation
ОО
B. Increasing salinity
c. Decreasing temperature
O D. Falling sea levels
SUBMIT
Answer: What is most likely the cause of the increasing numbers of severe weather events is A. the slowing of the thermohaline circulation.
Explanation: Thermohaline circulation is hard to explain, but it is important in giving heat to the polar regions. The six main components that determine the weather are temperature, atmospheric pressure, cloud formation, wind, humidity, and rain. A small change in any of these components can result in an entirely new weather pattern. As mentioned in the question, slowing the thermohaline circulation would very likely increase the number of severe weather events. What I just said, I took the test, and the answer is A.
Slowing of the thermohaline circulation is most likely to cause increasing numbers of severe weather events. Thus, the correct option will be A.
What is Thermohaline circulation?Thermohaline circulation is a part of the large-scale ocean circulation which is driven by the global density gradients that are created by the surface heat and freshwater fluxes.
Thermohaline circulation generally plays an important role in the process of supplying heat to the polar regions. Therefore, it influences the rate of sea ice formation near the poles region, which in turn affects other aspects of the climate system such as the albedo, and thus also include solar heating, at high latitudes.
Therefore, the correct option will be A.
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Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response. Two neurons communicate with each other through the . The is released at the site to initiate action potential and carry the signal through the body.
The question is incomplete. The complete question is as follows:
Select the correct answer from each drop-down menu.
Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response. Two neurons communicate with each other through the ( axon , dendrite, synapse) . The ( cerebrospinal cord, glial cell, neurotransmitter) is released at the site to initiate action potential and carry the signal through the body.
Answer:
synapse
neurotransmitter
Explanation:
Neurons are the basic units for the transmission of signals to the central nervous system. The two neurons are connected through the syanpse. Synapse is the space or junction between two nerve cells, or neurons.
The neuron receives signals through dendrites and two neurons communicate with each other through a chemical called neurotransmitter, which is released at the end of a nerve fibre and carry the signal through the body.
Hence, the correct answers are synapse and neurotransmitter.
Two neurons communicate with each other through the synapse which contains a chemical known as a neurotransmitter which is released at the site to initiate action potential and carry the signal through the body.
Neurons are specialized cells whose functions are to receive and transmit information from the external environment to the internal environment and vice versa.
They are the basic units of the brain and the nervous system.
The nervous system consists of two parts:
The central nervous system made up of the brain and spinal cord, and The peripheral nervous system consisting of the cranial nerves, the spinal nerves, the sympathetic nervous system, and the parasympathetic nervous system.Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response.
Two neurons communicate with each other through the synapse. A synapse is the space or junction between two nerve cells, or neurons.
A chemical called a neurotransmitter is present at the end of the neuron before the synapse known as the presynaptic end.The neurotransmitter is released into the synapse via vesicles known as synaptic vesicles.The synaptic vesicles fuses with the membrane of the second neuron and the neurotransmitter is released initiating another action potential and carry the signal through the body.Therefore, two neurons communicate with each other through the synapse which contains a chemical known as a neurotransmitter which is released at the site to initiate action potential and carry the signal through the body.
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Place in correct order the following steps in the process of appositional growth of cartilage. a: New matrix is produced and secreted. b: Chondrocytes differentiate, each in its own lacuna. c: Stem cells undergo mitosis. d: Committed cells differentiate into chondroblasts.
Answer:
c: stem cells mitosis stem.
d: the compromised cells differentiate into chondroblasts.
a: New matrix is produced and secreted.
b: Chondrocytes differ, each in its own gap.
Explanation:
The appositional growth of cartilage occurs in an appositional order, thus generating these cartilage structures to give future bone structures or mature cartilages themselves.
In the cartilage of growth of long bones this process happens.
Chondroblasts are differentiated cells that can form the extracellular matrix, and chondrocytes would be the mature form of these that are submerged in their MEC once they reach the secretion limit.
The constant cartilage of cellular, mineral and organic structures, with organic compounds predominating (almost 80 percent are collagen fibers, proteoglycans and glycoproteins), that is why this tissue has a certain elasticity.
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
Study of tumors is known as
A.Incology
B. Encology
C. Oncology
D. Uncology
Answer:
oncology
hope it is the correct answer
Why is it important to classify the millions of species on Earth? to have common names that everyone can remember to more easily sequence their genetic material to devise scientific names that only scientists can learn to organize them and speak about them accurately
Answer:
to organize them and speak about them accurately
Explanation:
There are millions of species that exist on Earth. Many of them are yet to be discovered. They are named and classified into specific groups. This helps in organizing each specie according to the characteristics, and traits. The classification is done to show the hierarchy and focuses on the relationships that the organisms possess with other organisms about evolution. Classification helps in identifying and analyzing any specific specie accurately and particularly.
Answer:
The answer is D.
Explanation:
The first person who answered this was correct.
Describe the structure of a phospholipid and a phospholipid bilayer. Indicate the polar and nonpolar parts of the structure for each.
Which is produced around a wire when an electrical current is in the wire?
O magnetic field
O solenoid
o electron flow
O electromagnet
Answer:
electron flow
Explanation:
Electron flow is produced around a wire when an electrical current is in the wire.
Hope it helps.
When an electrical current flows through a wire, a magnetic field is produced around the wire.
Why magnetic fields are produced?This is due to the interaction between the moving charges (electrons) in the wire and the magnetic field they create. The direction and strength of the magnetic field depend on the direction and strength of the current flowing through the wire.
This magnetic field can be strengthened by wrapping the wire around a core made of a ferromagnetic material like iron, creating an electromagnet.
The more coils of wire around the core, the stronger the magnetic field will be. A solenoid is a type of electromagnet with a cylindrical shape that can be used to create a uniform magnetic field in a specific area.
A solenoid is a type of electromagnet with a cylindrical shape that is created by wrapping a wire around a cylinder or core. Solenoids are used in a wide range of applications, including valves, switches, and relays.
When a current flows through the wire, it creates a uniform magnetic field inside the solenoid that can be used to move a plunger or actuator. Solenoids are also used in MRI machines, which use powerful magnetic fields to create images of the inside of the body.
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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.
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
How many more phases occur during meiosis than during mitosis?
none
two
four
six
Answer:
there are 4 more phases that occur during meiosis than mitosis
Answer:
The answer is.....
Explanation:
C. Four
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.
A cell that is diploid and will not be used to create a zygote is called a ________ cell. A. homologous B. somatic C. haploid D. gamete
Answer:B. somatic
Explanation:
.
help asap giving branlist!!!!!
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
. 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.
three disadvantages of capture-mark-recapture method?
Answer:
The disadvantages of the given instance are mentioned below.
Explanation:
This analysis seems to be a tool device used to evaluate the proportion of the population.
Disadvantages:
The effectiveness is dependent on a significant portion of the number of people is being recorded. Animal marks may have a drastic impact on either the animals.This approach does indeed have a certain drawback because that's not a very suitable technique.help asap giving branlist :D
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.
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
You are doing an experiment in which you are using an in vitro translation system derived from rabbit reticulocytes, called a rabbit reticulocyte lysate, to translate mRNA in a test tube. The rabbit reticulocyte lysate contains ribosomes, translation initiation and elongation factors, tRNAs, aminoacyl tRNA synthetases, release factors, amino acids, and ATP. The lysate does not contain any mRNA, so you must add the mRNA you would like to translate to the system. A. When you analyze the proteins made from your lysate, you find that they are all only two amino acids long. At first, you think that there must be a mutation to a stop codon in the position of the third codon, so you do another experiment with a different mRNA. Again, all the newly synthesized proteins are only two amino acids long, so you conclude that there is a problem with some component in your lysate.
Describe ONE possible problem in the translation system (lysate) that would result in the limitation of newly synthesized peptides to two amino acids in length.
Answer:
Problems with transfection efficiency or absence of essential mRNA modifications (capping and poly-A tail)
Explanation:
Translation is the process of protein synthesis from RNA in which the genetic information encoded in a messenger RNA (mRNA) molecule is translated into a protein sequence composed of amino acids. Translation has three steps: initiation, elongation, and termination. During translation, different elements are required to initiate, continue and complete the process, which include essential molecules such as amino acids, mRNA, tRNAs, ribosomes, energy-carrying molecules (i.e., ATP, GTP), initiation factors (i.e., eIF1A, eIF3, etc) and elongation factors (eEF-2, EIF5A). For example, humans can't synthesize nine essential amino acids (i.e., threonine, tryptophan, phenylalanine, valine, methionine, leucine, histidine, isoleucine, lysine), thereby it is imperative to include these amino acids to synthesize proteins composed of them. On the other hand, it is also fundamental to take into account that the efficiency of transfection of the molecules required during translation, as well as the absence of modifications in the mature mRNA sequence, may alter the process in vitro.