Xavier listed the steps involved when sponges take in food and oxygen. 1. Water is drawn in through pores and enters the central cavity. 2. Food is filtered and digested. 3. Water leaves through an opening at the top of the body. Which describes the missing step? Oxygen is removed from the water before step 3. Oxygen is removed from the water after step 3. Tentacles sting and paralyze prey after step 1. Tentacles sting and paralyze prey before step 1.
Answers
Answer:
the answer is c
Explanation:
Answer:
A
Explanation:
Related Questions
A certain species of lizard comes in three colors: cream, golden, and brown. All lizards are a single solid color (ie, none ever have spots or stripes) You carry out matings between these lizards, and collect the following data:
• Cream and brown lizards can be true-breeding, but golden lizards never breed true.
• Matings between cream and golden lizards always yield cream and golden offspring in a 1:1 ratio.
• Matings between brown and golden lizards always yields brown and golden offspring in a 1:1 ratio.
• Mating golden lizards with other golden lizards always yields brown lizards, golden lizards, and cream lizards in a ratio of 1:2:1, respectively.
Required:
Assign allele symbols to all alleles of the lizard color gene, and indicate which genotypes result in which phenotypes.
Answers
Answer:
Cream and brown lizards can be true-breeding, but golden lizards never breed true.
Explanation:
compared to asexual reproduction, what advantages does sexual reproduction provide the monarchs
Answers
Compared to asexual reproduction, sexual reproduction provides several advantages for monarchs. One major advantage is genetic diversity. Through sexual reproduction, offspring inherit genetic material from two parents, increasing the potential for variation within the population.
This can be beneficial for monarchs in adapting to changing environmental conditions and in avoiding genetic disorders that can occur with asexual reproduction. Additionally, sexual reproduction allows for the exchange of beneficial traits between individuals, further enhancing the monarch population's genetic diversity.
Finally, sexual reproduction can also result in stronger offspring, as any deleterious traits are less likely to be expressed due to the presence of dominant genes. Overall, sexual reproduction provides monarchs with significant advantages in terms of genetic diversity, adaptation, and fitness.
For more questions on: genetic diversity
https://brainly.com/question/15271249
#SPJ11
Which histone is not a part of the histone core?
Answers
Answer:
H1 histone protein is not a part of histone octamer
leber congenital amaurosis (lca) is a type of autosomal recessive hereditary blindness that causes individuals with this disease to lose their vision during childhood. the pedigree below shows the inheritance of lca throughout three generations of a family.
Answers
Leber congenital amaurosis (lca) is a type of autosomal recessive hereditary blindness that causes individuals with this disease to lose their vision during childhood. the pedigree below shows the inheritance of lca throughout three generations of a family. True. LCA is an autosomal recessive genetic condition that is passed on to children by parents who have an abnormal copy of the gene.
Inheritance of traits is a decrease in traits that are passed on from parents or parents to their offspring. Some of the characteristics that are passed from parent to child are hair shape, eye color, blood type, and even congenital diseases.
LCA or Leber Congenital Amaurosis is a congenital eye disorder that is present from birth. Babies from birth will lose their eyesight due to an autosomal recessive genetic condition. Babies with LCA inherit two copies of the abnormal LCA gene from both parents. A grandmother who has the normal gene marries a grandfather who has half the abnormal LCA gene So that the child will have half the abnormal or carrier genes, if the child marries someone who has half the abnormal or carrier genes, then it is certain that the third generation will have 100 percent of the abnormal LCA gene so that he will experience blindness from infancy.
Learn more about autosomal at:
https://brainly.com/question/29793813
#SPJ4
Which of the following types of membrane is associated with the skin?
A. Peritoneum
B. Synovial
C. Serous
D. Cutaneous
Answers
Answer:
the answer is D. Cutaneous
Explanation:
The cutaneous (ku-ta'ne-us) membrane is your skin. Its superficial epidermis is composed of a stratified squamous keratinizing epithelium. The underlying dermis is mostly dense (fibrous) connective tissue. Unlike the other epithelial membranes, the cutaneous membrane is exposed to air and is a dry membrane.
The type of membrane that is associated with the skin is cutaneous. Therefore, option (D) is correct.
What is cutaneous membrane?Cutaneous membrane is a type of epithelial membrane that covers and protects the external surface of the body, including the skin, hair, and nails. The other options mentioned are different types of membranes found in the body.
Peritoneum is a serous membrane that lines the abdominal cavity and covers the abdominal organs. Synovial membrane is a connective tissue membrane that lines the cavities of freely movable joints. Serous membrane is a type of epithelial membrane that lines the closed body cavities and covers the organs within those cavities.
Learn more about cutaneous membrane, here:
https://brainly.com/question/28592241
#SPJ6
Explain the mechanism of respiration system in toad
Answers
Answer:
The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. While completely submerged all of the frog's repiration takes place through the skin.
Explanation:
I hope it helps you
After ingestion and digestion by the lactase enzyme, the monosaccharides glucose and galactose are taken up by cells of the small intestine.
Order these molecules from lowest to highest ability to pass through a phospholipid bilayer:
Group of answer choices
glucose, water, molecular oxygen, a sodium ion
a sodium ion, molecular oxygen, glucose, water
molecular oxygen, water, a sodium ion, glucose
glucose, a sodium ion, molecular oxygen, water
a sodium ion, glucose, water, molecular oxygen
Answers
The order of the molecules from lowest to highest ability to pass through a phospholipid bilayer is: molecular oxygen, water, a sodium ion, glucose.
The ability of molecules to pass through a phospholipid bilayer depends on their size, polarity, and charge. Here's the order from lowest to highest ability to pass through a phospholipid bilayer:
1. Molecular oxygen (O2) - small and nonpolar, can easily pass through.
2. Water (H2O) - small and polar, can pass through but slower than molecular oxygen.
3. A sodium ion (Na+) - small but charged, has difficulty passing through without help from channels or transporters.
4. Glucose - large and polar, has the lowest ability to pass through without help from specific transport proteins.
So, the correct order is: molecular oxygen, water, a sodium ion, glucose.
For more such questions on phospholipid bilayer, click on:
https://brainly.com/question/14445282
#SPJ11
Identity each event as the result of mechanical weathering or chemical weathering.
mechanical weathering chemical weathering
The minerals in a marble statue react
with water to form acids and pores in
the structure.
A piece of rock crumbles after being
constantly thrashed by strong waves.
Industrial runoff forms cracks in a
rocky structure in its path.
The rocks in a region are streaked
orange after being exposed to
repeated rains.
Answers
The events described involve both mechanical and chemical weathering processes, highlighting the complex nature of how weathering affects geological structures.
The events can be identified as the result of mechanical weathering or chemical weathering as follows:
The minerals in a marble statue react with water to form acids and pores in the structure - This is an example of chemical weathering. The water reacts chemically with the minerals in the marble, causing them to dissolve and form acids. These acids further react with the marble, leading to the formation of pores and overall degradation of the statue's structure.
A piece of rock crumbles after being constantly thrashed by strong waves - This is an example of mechanical weathering. The constant thrashing of strong waves exerts physical force on the rock, causing it to break apart or crumble. This type of weathering occurs due to mechanical forces like abrasion, pressure, or impact that physically break down the rock into smaller pieces.
Industrial runoff forms cracks in a rocky structure in its path - This is a combination of chemical and mechanical weathering. The industrial runoff may contain acidic or corrosive substances that chemically react with the minerals in the rock, leading to their dissolution or weakening. The cracks in the rocky structure may also be a result of the mechanical force exerted by the flowing runoff, causing physical fractures in the rock.
The rocks in a region are streaked orange after being exposed to repeated rains - This is an example of chemical weathering. The repeated rains introduce water into the rocks, which may contain dissolved iron compounds. Over time, these iron compounds oxidize in the presence of water and oxygen, leading to the formation of orange-colored iron oxide minerals, such as rust. The streaking of rocks with orange indicates the chemical transformation of the minerals due to the weathering process.
In summary, the events described involve both mechanical and chemical weathering processes, highlighting the complex nature of how weathering affects geological structures. Mechanical weathering involves physical forces breaking down rocks, while chemical weathering involves chemical reactions leading to the alteration or dissolution of minerals.
Know more about chemical transformation here:
https://brainly.com/question/31290752
#SPJ8
describe how the interaction of matter and light affects what you see when you look at a window a lake and a tree
MUST BE 4 sentences
Answers
When light waves hit an object, they interact with the matter that makes up that object. The properties of the matter determine how the light is absorbed, transmitted, or reflected.
What is Wave?
In physics, a wave is a disturbance that travels through space and time, usually accompanied by the transfer of energy. Waves can take many forms, including mechanical waves such as sound waves, water waves, and seismic waves, and electromagnetic waves such as radio waves, microwaves, infrared waves, visible light, ultraviolet rays, X-rays, and gamma rays. All waves have a characteristic frequency, wavelength, amplitude, and velocity, which determine their properties and behaviors. Waves can be described mathematically using wave equations, and their properties can be studied through experiments and observations. Waves play a fundamental role in many areas of science and technology, from communications and entertainment to medical imaging and materials science.
When you look at a window, some of the light is transmitted through the glass, while some is reflected off the surface of the glass. The amount of light transmitted and reflected is determined by the properties of the glass, such as its thickness and composition.
Learn more about Waves from given link
https://brainly.com/question/15663649
#SPJ1
You have successfully engineered E. coli to make human insulin by adding a transgene that has an E. coli promoter and the coding sequence of human insulin. You try to generate a new strain that would make a lot more insulin by making one with 10 copies of the transgene. Although your genetic engineering is successful, your new strain doesn't make much more insulin. What do you think could have gone wrong
Answers
Answer:are you asking a question?
Explanation:
the herpes viruses are enveloped dna viruses that cause disease in vertebrates and in some invertebrates such as oysters. some of the human forms are herpes simplex virus (hsv) types i and ii, causing facial and genital lesions, and the varicella zoster virus (vsv), causing chicken pox and shingles. each of these actively infects nervous tissue. primary infections are fairly mild, but the virus is not then cleared from the host; rather, viral genomes are maintained in cells in a latent phase. the virus can later reactivate, replicate, and infect others. which of the following treatments would have the best chance of lowering the number of new cases of infection? use the following information to answer the question. the herpes viruses are enveloped dna viruses that cause disease in vertebrates and in some invertebrates such as oysters. some of the human forms are herpes simplex virus (hsv) types i and ii, causing facial and genital lesions, and the varicella zoster virus (vsv), causing chicken pox and shingles. each of these actively infects nervous tissue. primary infections are fairly mild, but the virus is not then cleared from the host; rather, viral genomes are maintained in cells in a latent phase. the virus can later reactivate, replicate, and infect others. which of the following treatments would have the best chance of lowering the number of new cases of infection? treat herpes simplex virus lesions to shorten the breakout. vaccinate of all persons with preexisting cases of herpes simplex virus. educate people about ways to disinfect surfaces that came in contact with herpes simplex virus. interfere with new viral replication in preexisting cases of herpes simplex virus.
Answers
The treatments that would have the best chance of lowering the number of new cases of infection is interference with new viral replication in preexisting casesof herpes simplex virus. The correct answer is D.
All species of vertebrate animals, as well as some invertebrate animals like oysters, are affected by the herpes viruses, which are very significant enveloped DNA viruses. Herpes simplex I and II (HSV I and II), which cause lesions on the facial and genital, and varicella-zoster (VSV), which causes chicken pox and shingles, are a few of the human ones. The neurological system is actively infected by all three of them. Although first infections are usually not very severe, viral genomes are kept in cells during a latent period rather than being eliminated from the host. The virus can then become active again, reproduce, and spread to new people.
Learn more about Herpes virus at https://brainly.com/question/28138917
#SPJ4
The plant root is adapted for absorbing water from the soil.
Answers
Select three events that occur as an unspecialized cell differentiates into a cell that helps transport water in plants.
Answers
Answer:
Explanation:
Differentiation dramatically changes a cell's size, shape, membrane potential, metabolic activity, and responsiveness to signals. These changes are largely due to highly controlled modifications in gene expression and are the study of epigenetics.
The three events that occur as an unspecialized cell differentiates into a cell that helps transport water in plants are as follows:
Formation of vascular bundles like xylem and phloem.Cells are adapted to perform the process of photosynthesis and transpiration.Cells of the plant tissue become more compact than usual. What is cell differentiation?Cell differentiation may be defined as the process during which young, immature (unspecialized) cells take on individual characteristics and reach their mature (specialized) form and function.
In order for a cell to differentiate into its specialized form and function, it need only to manipulate those genes (and thus those proteins) that will be expressed, and not those that will remain silent. The primary mechanism by which genes are turned “on” or “off” is through transcription factors.
Therefore, the three events that occur as an unspecialized cell differentiates into a cell that helps transport water in plants are well-described above.
To learn more about Cell differentiation, refer to the link:
https://brainly.com/question/13846411
#SPJ2
Consumers, producers, and decomposers are all
A. carnivores
B. abiotic
C. omnivores
D. biotic
Answers
Answer:
It is D
Explanation:
A biotic factor is a living thing that has an impact on another population of living things or on the environment.
structure,of a compaund microscope and it's parts and functions
Answers
Answer:
Compound microscopes have more than one lens to generate high magnification images of flat, thin specimens. There are three major structural parts of a microscope: Head, Base, and Arm. ... The light is then collected and formed an image by an objective lens. We see the magnified images through the eyepiece
Explanation:
Explanation:
there are three basic structural components of a compound microscope at the head base and arm . Armm connect to the base and support the microscope head it is also used to carry the microscope
Why is it hard to regain a trait that has been lost? This is an evolutionary bio question!!
Answers
It is hard to regain a trait that has been lost because the genetic changes required to evolve a new trait or to regain a lost trait are often complex and can involve multiple genes and regulatory elements. Furthermore, evolution is a slow, laborious process that requires beneficial mutations to accumulate over many generations.
When a trait disappears, the genetic material encoding it may also disappear or become inactive, making it more challenging for the trait to reappear in subsequent generations. For example, restoring a species' ability to manufacture a specific enzyme required for a particular metabolic pathway can be challenging if the genetic changes required to do so are complex.
Learn more about Genetic changes, here:
https://brainly.com/question/9112818
#SPJ1
write one scientific question about the organism in the photo? With sunflowers
Answers
The reason I've chosen this as a scientific topic is because the area is covered in sunflowers. With the conditions of their surroundings, living organisms attempt to live. As a result, there is rivalry among the organisms.
1. What is the most important mutation that led to human life?
Answers
Answer:The ultimate source of all genetic variation is mutation. Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele. Recombination also can create a new DNA sequence (a new allele) for a specific gene through intragenic recombination.
Explanation:
how plating trees can be a problem
Answers
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
There are even more serious issues, as trees have several ways of influencing the climate. The first problem is that trees are dark in comparison to other things that could cover the ground, such as grass or snow. Planting more trees, as a result, tends to make the terrain darker.
Tree planting on a large scale is becoming a more popular part of worldwide efforts to fulfil climate objectives. Forests, on the other hand, are complex ecosystems, and haphazard planting can actually raise carbon dioxide (CO2) levels in the atmosphere, contributing to global warming.
Fact: Trees grow slowly
if the antimicrobial agent causes the cell to lose its ability to regulate what enters and exit, then the agent has _____ .
Answers
If the antimicrobial agent causes the cell to lose its ability to regulate what enters and exits then the agent has disrupted cell membrane function.
Antimicrobial agents are either bactericidal agents that kill the target bacteria or fungi or bacteriostatic agents that inhibit their growth. Bactericides are more effective, but bacteriostats are very useful because they allow the host's normal defenses to destroy the microorganism.
Antimicrobial agents can be classified into groups based on the mechanism of antimicrobial activity. The main groups are drugs that inhibit cell wall synthesis depolarize cell membranes inhibit protein synthesis inhibit the nucleic acid synthesis and inhibit bacterial metabolic pathways.
Learn more about Antimicrobial agents here:- https://brainly.com/question/28148962
#SPJ4
Deforestation and the burning of fossil fuels such as coal and oil have led to higher concentrations of carbon dioxide in the atmosphere
Answers
Deforestation and the burning of fossil fuels such as coal and oil, are the two main causes of higher concentrations of carbon dioxide in the atmosphere.
The statement "Deforestation and the burning of fossil fuels such as coal and oil have led to higher concentrations of carbon dioxide in the atmosphere" refers to the fact that human activities have significantly increased the amount of carbon dioxide in the atmosphere, leading to a rise in global temperatures and climate change.
Deforestation contributes to this problem by reducing the amount of trees that absorb carbon dioxide during photosynthesis, while the burning of fossil fuels releases stored carbon into the atmosphere. These actions have negative impacts on the environment, including increased global temperatures, rising sea levels, and more frequent extreme weather events.
To know more about Deforestation, here
brainly.com/question/17178423
#SPJ1
--The complete question is, Deforestation and the burning of ___________ such as coal and oil, are the two main causes of higher concentrations of carbon dioxide in the atmosphere.--
Where are the A, B and RH antigens located
Answers
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation:
What features of integrated pest management make it a good approach to preserving ecosystems?
Answers
Answer:
Allowing a small but controlled portion of a pest population to remain does less damage to ecosystems, soils, water, and air. Another feature of IPM would be making a habitat more complex, such as mazes, so it can slow the spread of parasites. No-till or low-till agriculture is another feature of IPM because this helps natural enemies of some pests to build up in the soil, whereas plowing destroys the habitats of these enemies.
Explanation:
Edgen 2020 plus I got a 100 when I typed this out.
Functions of Proteins
list the functions of proteins in the text area below
Answers
Answer:
provide structure
fight disease
regulate cell process
transport substances
Explanation:
I NEEDDD HELP LIKE RIGHT NOW ITS SIMPLE
What is the best description of originality?
nonobvious
special or interesting
convergent
having a low probability, unique
Answers
The best description of originality is having a low probability, unique, option D is correct.
Originality refers to the quality of being novel and distinctive, and it implies that something is not derived from anything else. The more unique and uncommon an idea, creation, or expression is, the more original it is deemed to be. Originality can be measured by the probability of its occurrence.
The lower the probability of an idea or creation being generated, the more original it is. A highly original idea is not only new but also unexpected and unconventional, which makes it stand out from the norm. Originality is highly valued in fields such as art, literature, science, and technology, as it contributes to the advancement of knowledge and understanding, option D is correct.
To learn more about probability follow the link:
https://brainly.com/question/28188911
#SPJ1
The correct question is:
What is the best description of originality?
A) nonobvious
B) special or interesting
C) convergent
D) having a low probability, unique
Strong sugar solution A Pin holding potato .Potato Pure water -Beaker 1.4.1 State TWO differences between the process investigated in the diagram above and diffusion. 1.4.2 Give ONE planning step that should be considered prior to this Investigation. 1.4.3 Explain the importance of the potato in this investigation.
Answers
1.4.1 Two differences between the process investigated in the diagram above and diffusion:
In the diagram, the process being investigated involves osmosis, not diffusion. Diffusion refers to the movement of particles from an area of higher concentration to an area of lower concentration, while osmosis specifically refers to the movement of water molecules across a semi-permeable membrane.In osmosis, the movement of water molecules occurs in response to the concentration gradient of solute particles, whereas in diffusion, the movement of particles is driven solely by the concentration gradient of the particles themselves.1.4.2 One planning step that should be considered prior to this investigation:
It is important to establish a clear and measurable objective for the investigation. This could involve defining the specific research question or hypothesis that the investigation aims to address. Having a well-defined objective will help guide the experimental design and ensure that relevant data is collected.1.4.3 The importance of the potato in this investigation:
The potato is important in this investigation because it serves as the object of study or the sample material through which osmosis is observed. The potato, being a plant tissue, contains cells with semi-permeable membranes that allow the passage of water molecules but restrict the movement of solute particles. By placing the potato in the strong sugar solution and observing the changes in its weight or texture, one can study the process of osmosis and the effects of water movement across the potato cells. The potato serves as a model system to understand the principles and mechanisms of osmosis in biological systems.for similar questions on sugar solution.
https://brainly.com/question/29100655
#SPJ8
Please help me
Fast.
Answers
Do not listen to me
Answer
Roots
Which was present in the unknown? starch lipids nucleic acids proteins
Answers
To test for the presence of starch, you can use iodine solution, which turns blue-black in the presence of starch. Lipids can be identified using a Sudan III or Sudan IV test, where lipids will appear as red or orange-stained spots.
Nucleic acids can be detected through tests like the diphenylamine test or the biuret test.
The diphenylamine test produces a blue color in the presence of DNA, while the biuret test results in a purple color in the presence of RNA.
Proteins can also be identified using the biuret test, as proteins will cause the solution to turn purple.
Learn more about lipids nucleic acids at:
https://brainly.com/question/24407333
#SPJ1
Look at the incomplete equation below. What does Ek represent?
Answers
In the given equation, Ek represents the kinetic energy of an object.
Kinetic energy (Ek) is a form of energy associated with the motion of an object. It is dependent on both the mass (m) and the velocity (v) of the object.
The equation Ek = (1/2)m\(v^2\) represents the formula to calculate the kinetic energy of an object.
The symbol "Ek" is commonly used to represent kinetic energy in scientific calculations and equations. By plugging in the values of mass and velocity into the equation, one can calculate the amount of kinetic energy possessed by the object.
The kinetic energy of an object increases with both its mass and velocity. As the mass increases, the object has more particles in motion, contributing to higher kinetic energy.
Similarly, as the velocity increases, the speed at which the object moves also increases, resulting in greater kinetic energy.
Therefore, understanding and calculating kinetic energy is important in various scientific and engineering applications, such as studying the movement of objects, analyzing collisions, or designing efficient systems.
For more such answers on kinetic energy
https://brainly.com/question/15438905
#SPJ8
Question
Look at the incomplete equation below. What does Ek represent?
Ek =----- x m x v2
Predict the effect that a mutation would have on energy production and homeostasis if it prevented phosphate molecules from bonding with each other. Justify your answer. *
Answers
Answer:
There would be no storage or release of energy for metabolic activities.
Explanation:
Mutation is a change in the nucleotide sequence of a gene. Mutation disrupts the production of useful products such as proteins, which the genes code for. In this case, mutation prevents phosphate molecules from bonding with each other.
ATP is the energy carrier in living cells. It stores and releases energy for various metabolic activities within an organism including homeostasis (maintaining a stable internal environment). The energy in the ATP molecule is stored in the phosphate bonds contained in its structure while the energy is released when the last phosphate bond is broken.
Therefore, if a mutation prevents phosphate bonds from forming, energy will be unable to be stored, likewise the release of energy for cellular activities.