Answer:
The emerging baby receives oxygen through the umbilical cord. Temporary squeezing of the umbilical cord during the birth process generally, causes no problems, whereas prolonged constriction of the cord is associated with developmental problems.
Explanation:
The umbilical cord is a tube that connects the baby to the placenta and is responsible for the exchange of nutrients, oxygen and excreta. Composed of two arteries and a vein encased in a jelly-like material - Wharton's jelly - the umbilical cord communicates the baby's circulatory system through the navel to the placental vessels and is normally inserted right in the center of this structure. The placenta, in turn, communicates to maternal vessels, making the necessary exchanges.
There are situations where the umbilical cord is tightened during the baby's birth, these situations are normal and most of the time do not cause any problems for either the baby or the mother. However, if prolonged umbilical cord constriction occurs, developmental problems may occur.
The __________ is a layer of loose connective tissue that underlies the serous membranes lining body cavities, thereby allowing movements of muscles or muscular organs without severely distorting the delicate lining.
A baby is born with ambiguous genitalia. what should the nurse emphasize when discussing this with the parents
_____ provide connections between neurons and blood vessels.
Which question most closely relates to the foresters observations and the collected scientific data on forests?
A. Did a lack of Rain cause the hemlocks to stop reproducing?
B. Are deer eating most of the young hemlocks?
C. Do the young hemlocks have a disease?
D. Why are there so many deer in the forest?
The answer is letter b, are the deer eating most of the young hemlocks? Hemlocks are a common type of tree in the northern forests of the United States. We know that deer will eat young hemlocks but not old hemlocks because they are still growing and have more nutrition. If the deers are eating young hemlocks, then keeping the deers away from the young trees will allow the trees to grow.
Correct answer choice is :
A forester is a person who studies forestry, the science, art, and business of maintaining forests. Foresters interest in a wide range of activities including environmental rehabilitation and management of preserved areas. Foresters are included in a large range of exercises covering environmental restoration, timber gathering, and day-to-day administration of protected areas.
scientific observations: a. are limited to available equipment used to record a natural phenomenon. b. can be made by instrumentation c. can be made directly by humans d. all of the above e. none of the above
List 3 variables that may determine the choice of which dc polarity to use
What is another name for any living thing? organism plant predator animal
Answer: Organism
Explanation:
An organism is any entity that meets the criteria or properties of being a living being.
The biological properties of life are:
Must be able to reproduce
Must be able to grow and change
Must be able to breathe and have a metabolism
Must be responsive to its environment
Maintain homeostasis
Must be able to pass down traits to its offspring
Must be made of cells
What is true of the bottom layer of the ocean? Select the two correct answers.
A. It has the most light.
B. It has the highest temperature.
C. It has the least salt.
D. It has the fewest plants.
E. It has the highest density.
Answer:
D. It has the fewest plants.
E. It has the highest density.
Explanation:
Since the water in the bottom of the sea has the highest density, and the lowest light, this layer is called the hadalpelagic zone, and it goes from 6,000 meters or 19,686 feet, up untill the lowest point known in the ocean that is located in the mariana trench, the temperature is found to be just above the freezing point and the pressure is eight tones per square inch, this makes it the most dense water in the ocean and it does not allow plants to grow properly, invertebrates thrive on those conditions.
Tunnels formed by new bone deposition are lined by
What is the difference between an electron and a proton
A patient with a head injury that is resulting in edema (swelling) of the brain is given an intravenous solution that contains mannitol, a polar sugar-alcohol. how can this solute be beneficial in reducing the edema of the brain?
Successful interventions are designed to match physical activity with
Dr. fellows found a correlation obesity and the consumption of low-fat foods. this would be considered a _____ negative correlation.
This would be considered to be a strong negative correlation because a negative correlation is having variables that are two in which one decreases and the other increase, we can see it above as the two variables are the obesity and low fat foods in which became a strong negative correlation because of its impact.
Which organelle is most prominent when looking at cheek cells under the microscope?
The nucleus is the most prominent organelle observed in cheek cells under a microscope, responsible for housing DNA and guiding protein synthesis.
Explanation:When viewing cheek cells under a microscope, the nucleus is the most prominent organelle that you are likely to observe. The nucleus houses the cell's DNA in the form of chromatin and is responsible for directing the synthesis of ribosomes and proteins. In most cheek cell preparations, called squamous epithelial cells, the nucleus should be visible with both low and high power objective lenses. When sketching these cheek cells, it is essential to include the cell membrane, cytoplasm, and the nucleus, which are easily observed. Additionally, adding bacterial cells can provide a scale of comparison, especially when keeping the size scale accurate between the cheek cell and bacterial cells.
How might a human muscle protein differ from a horse muscle protein?
A Human Muscle Protein molecule is different from a horse muscle protein molecule, due to the different sequences of the amino acids present in the muscle protein of the horse, and another different amino acid sequence in the human’s body.
Answer:
The correct answer is - different amino acid sequences.
Explanation:
Human muscles and horse muscles are similar overall but due to the higher muscle activity of the horse muscles, it has more mitochondria in their cell to produce more energy.
The major difference in the human muscle protein and horse muscle protein is that they consist of different amino acid sequences in their muscle proteins. In humans, actin and myosin are muscle protein filaments that help in movement which is different in the horse in terms of the amino acid sequence of proteins.
Thus, the correct answer is - different amino acid sequences.
How does the cylindrical shape of the palisade mesophyll cells increase the amount of photosynthesis that the leaf can cary out?
Answer:
The cylindrical shape allows more cells to be packed into space, which allows for more chloroplasts, and more photosynthesis to occur.
Explanation:
my teacher approved my answer.
The cylindrical shape of the palisade mesophyll cells increase the amount of photosynthesis that the leaf can carry out the cylindrical shape allows more cells to be packed into space, which allows for more chloroplasts, and more photosynthesis to occur.
What is photosynthesis?The process of photosynthesis has been defined as the the process in which green plants prepare their own food in the presence of sunlight and chlorophyll present in plants helps in this process. During this process heat energy converted into chemical energy.
Tissues has been combined together and they form the muscles and these muscles are of several types and after that the muscles combined together and they form organ and each of the organ of the body is made up of different types of tissue. Like heart is made up of such type of tissue that never takes rest.
Therefore, The cylindrical shape of the palisade mesophyll cells increase the amount of photosynthesis that the leaf can carry out the cylindrical shape allows more cells to be packed into space, which allows for more chloroplasts, and more photosynthesis to occur.
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Genes that are linked together _____.
combine to form traits
result in incomplete chromosomes
form dominant traits
are found on a particular chromosome
Final answer:
Linked genes are found on the same chromosome and are inherited together, affecting the inheritance patterns of characteristics. Geneticists use recombinant gametes to map gene positions and distances on chromosomes.
Explanation:
Genes that are linked together are found on a particular chromosome. These linked genes tend to be transmitted through meiosis together, resulting in certain characteristics frequently inheriting together. For instance, linked genes are responsible for the co-occurrence of certain hair and eye colors. The position of two linked genes on a chromosome affects the likelihood of crossovers during meiosis, with closer genes being less likely to separate than those that are farther apart.
Linkage maps created by geneticists utilize the proportion of recombinant gametes to determine the distance between genes on a chromosome. This information helps to understand genetic inheritance patterns and the probability of recombinant offspring in genetic crosses that do not follow the classical Mendelian dihybrid 9:3:3:1 ratio.
The ______ was an evolutionary innovation that appeared for the very first time in protists.
You see a high proportion of winged individuals in a population of the bean aphid. the most likely explanation is that
The most likely explanation of as to why there is a high proportion of winged individuals in a population of bean aphid was because there is a presence of high population density or another reason is that there is already a high population if before the aphids develop or has developed.
The population of frogs at a lake is 12 frogs per square meter. What will be the estimated population of frogs in a habitat of 370 square meters? The estimated population of the frogs will be ______.
An example of data that a historian would use is _____.
weather data
pictorial data
mineral data
What did the lorax warn would happen if you cut down the trees?
Answer:
pollution will rise and all living beings that are dependent on plant in some or the other way will get affected.
Explanation:
As per Lorax, on cutting down the trees the following would happen -
a) Pollution from industries which was earlier absorbed by the plant thereby providing oxygen and fresh air will no longer will occur.
b) All species of animals and birds that depend on plant and trees for their habitat and fooding will leave the forest area to find a second/new habitat as the tress were cut down tremendously.
c) The air in the environment will become toxic and polluted and hence not breathable.
d) Stability of ecosystem will get disturbed.
what allows the flow of energy through an ecosystem to happen
Explain why the formation of abscission layer causes sugar to accumulate in leaves.
The cores of the terrestrial worlds are made mostly of metal because
Elliptical galaxies are egg shaped galaxies without spiral arms or interstellar gas and dust. True or false
Answer,
True
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Why is baker's yeast useful for expressing genetically engineered genes?
Baker's yeast is useful for expressing genetically engineered genes as yeast cells are eukaryotic and so would likely be successful in expressing eukaryotic genes.
What are the characteristics of yeast cells?Yeast cells are round to long cells that reproduce vegetatively by budding or germinate to produce a mycelium. They are found in some members of the Mucorales.
The yeast cell wall is a dynamic organelle that determines the cell shape and integrity of the organism during growth and cell division. It must provide the cell with mechanical strength in order to withstand changes in osmotic pressure.
An important feature of these yeasts that makes them such useful organisms for studying biological processes in humans, is that their cells, like ours, have a nucleus containing DNA, packaged into chromosomes. Most metabolic and cellular pathways thought to occur in humans, can be studied in yeast.
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Which food substance is most likely to contain the element nitrogen?
a. meat
d. olive oil
b. core. gummy bears
c. whole wheat?
Which type of energy is provided by protein macromolecules?
The bacteria Vibrio vulnificus is sometimes released into the ocean by sewage pollution. This small bacterium is often eaten by filter feeders, such as oysters. What impact would you expect this to have on individuals that consumed oysters which had fed on the bacteria?
A.) The bacteria would have a negative impact on the oysters but is harmless to humans.
B.) The bacteria could cause infections in people who consume contaminated shellfish.
C.) The bacteria could cause infections in people who do not have strong enough immune systems to fight off the bacteria, which could then be transmitted person to person.
D.) The bacteria would not cause infections in any people because our immune systems are strong enough to fight off the bacteria.
Answer:
B.) The bacteria could cause infections in people who consume contaminated shellfish.
Explanation:
The bacteria Vibrio vulnificus could cause infections in people who consume contaminated shellfish. Individuals with certain medical problems and weak immune system exhibit severe infections. Consumption of cooked shellfish is recommended to reduce the risk factors of bacterial infection. The bacteria Vibrio vulnificus cannot spread from one infection person to other healthy person.