Which of the following parts of a prokaryote is the part of the cell membrane that is folded in and thought to be used
for helping DNA replicate?
A. Mesosome
B. Genophore
C. Peptidoglycan
D. Cell wall
Answer:
a
Explanation:
: an organelle of bacteria that appears as an invagination of the plasma membrane and functions either in DNA replication and cell division or excretion of exoenzymes.
The following part of the cell membrane that is folded in and thought to be used for helping DNA replicate is the mesosome. The correct option is A.
What is mesosome?Mesosome is a round organelle that is present in prokaryotic organisms like bacteria. These organisms present as introversion in the plasma membrane. This organ helps in many functions of the cell like DNA replication and cell division.
DNA replication is a process of replicating DNA in other cells. It happens in the process of cell division. In bacteria cells, mesosomes help in the distribution of DNA into the daughter cells during the division.
Thus, the correct option is A. Mesosome regarding the organelle present in the bacteria helps in DNA replication.
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Analyze the property of water you investigated and provide some real-world applications of the importance of this property of water. I did Surface Tension. Please Help!
Answer:
Water (H
2O) is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue. It is by far the most studied chemical compound[18] and is described as the "universal solvent"[19] and the "solvent of life."[20] It is the most abundant substance on the surface of Earth[21] and the only common substance to exist as a solid, liquid, and gas on Earth's surface.[22] It is also the third most abundant molecule in the universe (behind molecular hydrogen and carbon monoxide).[21]
 what happens when transitioning between photosynthesis and cellular respiration?
Compared to ocean crust near deep-sea trenches, crust near ocean ridges is ____.
Select one:
a.
younger
b.
the same age
c.
older
d.
magnetically reversed
Answer:
a. younger
Explanation:
HI friends good morning
• Describe genetic______ and gene_________ as mechanisms of evolution.
Answer:
genetic is branch of science deal with study of heredity and genes
genes is segment of DNA which transfer parental character from one generation to another
What is the answer with explaining
Answer:
EeWw
Explanation:
This question involves two genes; one coding for earlobes and the other for hairline. According to the question, one parent is homzygous recessive for earlobe but homzygous dominant for hairline i.e. (eeWW) while the other parent is homzygous dominant for unattached earlobes but homzygous recessive for hairline i.e. (EEww).
The cross between the two parents is as follows: eeWW × EEww. The following gamete combination will be produced by each parent:
eeWW - eW, eW, eW, eW
EEww - Ew, Ew, Ew, Ew
Using these gametes in a punnet square, the following proportions of offsprings will likely be produced:
All EeWw offsprings
explain how the mammalian skin perform it's role as a thermoregulatory
Answer:
The skin contains many blood capillaries and sweat glands ,the sweat glands secrete sweat when it is hot.when the sweat evaporates from the skin it cools the body.thermoregulation by the skin occurs through dilation and constriction of the blood vessels.when the bodies temperature raises,the blood vessels carry heat in the blood to the skin.the blood capillaries dilate become wider so that more heat can be lost to the environment.this is called vasodilation.when the outside temperature is low,the blood capillaries constrict become narrower so that less blood flows to the surface of the skin.therefore less heat is lost to the environment this is called vasoconstriction.
I hope this helps
Steven wants to decorate his office surroundings with different ornamental plants. Which professional should Steven consult? ОА soil scientist OB. biotechnologist OC. horticulturists OD. agricultural engineer
Answer: the correct option is C (horticulturists)
Explanation:
ORNAMENTAL PLANTS are defined as those plants that has outstanding and unique flowers, fragrance an interesting shape, colorful or unusual bark, excellent fall color, or a combination of these and other features. While some of these plants add framework and structure to the garden and provide at least a little shade.; others also make great background plants for shrub and flower borders.
HORTICULTURISTS are individuals that deals with the aspect of agriculture which involves the cultivation of plants, vegetables, fruits, flowers, herbs, ornamental trees, maintaining nurseries, gardens, orchards and plantations. To be more specific, ornamental horticulturist are those that works with plants used in decoration or recreation, which is mostly done at a nursery, floral shop, landscaping or office surroundings.
how does Fibrocartilage receive it's nutrients?
Answer:
There are no blood vessels in cartilage. As a result, the nourishment of cells inside the cartilage matrix is reliant on nutrients diffused through the matrix from blood capillaries in the perchondrium and/or surrounding tissues.
OAmalOHopeO
on a molecular level why does lifting weights consume energy
Answer:
to contract a muscle, myosin and actin filaments shorten, requiring ATP binding and hydrolysis
Explanation:
hopes it help
The layer of soil that contains the most organic material is called the
a. A
C C
b. B
d D
Answer:
That layer is called the a horizon, so the answer is A.
Explanation:
Which is the main light-absorbing pigment for photosynthesis?
O carotene
O chlorophyll
O hemoglobin
O anthocyanin
Answer:
ChlorophyllExplanation:
Chlorophyll, the primary pigment used in photosynthesis, reflects green light and absorbs red and blue light most strongly.
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.
Answer:
B) Chlorophyll
Explanation:
The chloroplasts, which contain the green pigment chlorophyll, are where photosynthesis takes place. Chlorophyll is the pigment that gives plants their distinctive color. It works by collecting the energy in the sunlight that strikes the plant. Because grass requires photosnthesis to create glucose, which is required for growth inside the grass, photosynthesis is critical to life on Earth. As a result, creatures that eat the grass get energy, and so on. As a result, photosynthesis is the mechanism through which energy is introduced into an environment.
OAmalOHopeO
A student wants to determine how his classmates feel about school. He does a survey away from school so all participants will be willing to answer freely. In several cases, younger siblings of his classmates are present, so he lets them take the survey too. He surveys a total of 50 students. Has he done a well-designed, controlled experiment
Answer:
ojjjososkjsjeiemejekliijahaupamahdh
From large to small:
RBC, WBC, platelets
RBC, platelets, WBC
WBC, platelets, RBC
WBC, RBC, platelets
Answer:
WBC, RBC, platelets
Explanation:
Took a medical class
What kind of claim type does this statement make? Abbey Road is a much better album than Let It Bleed.
Select one:
a.
value
b.
policy
c.
fact
The kind of claim type does this statement is the value claim.
A claim of value refered to something as either good or bad, or that one thing is better than another thing. Example of value: Abbey road album is better than let it bleed.Conclusively we can therefore say that option A is the answer that best fit the statement above.
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explain the concept of mutation and how mutations can translate to a loss or gain of function in an organism
Which of the following is not typical of a capillary?
Group of answer choices
Virutally all fluids pushed out at a capillary bed are taken up again
The exchange of substances between the blood and interstitial fluid takes place across the thin endothelial walls of the capillaries
Osmosis from blood proteins tend to pull fluid back in
Blood pressure tends to drive fluid out of capillaries
Answer:
its it the first options
Explanation:
I really don't know
8.Explain how is small intestine designed to absorb digested food.
9. Write two differences between the nutrition in amoeba and human beings.
10. Fungus can be harmful and useful. Give an example showing both of these traits of fungus.
Answer:
10. Fungus are useful as they act as decomposers and decompose the dead things. Fungus are harmful as they can decompose fruits, grains and plants etc.
What did each of the bottles represent? What does the water represent?
Answer:
The bottles represent the left and right sides of the heart. The water represents blood that flows through the circulatory system.
Explanation:
Which of the following best
describes what a constraint is
when you are designing
something to solve a problem?
A. A constraint is something that makes it easier to solve the
problem
B. A constraint is information that you can read to help you solve
the problem.
C. A constraint is a limitation that must be taken into account
when inventing your design.
Answer:
C. A constraint is a limitation that must be taken into account when inventing your design.
Which of the following organelles can be found in plants AND animals?
A. Mitochondria
B. Chloroplasts
C. Vacuole
D. Cell wall
Answer:
Mitochondria can be found in plants and animals
how does replication ensure each cell has a complete set of DNA
Answer:
During replication a new strand of DNA is synthesized when the other strand is a template to guide the process. Every time the order of the bases in preserved so that DNA can be accurately replicated over and over with identical genetic information.
As regards the use of animal models,
Select one:
a.
Animals can model anything in the realm of human psychology
b.
The rat brain is completely different from a human brain in its neuroanatomy
c.
The 5-choice serial reaction time task is a way to operationalize spatial memory and spatial learning
d.
Rats can drive little cars
e.
All of the other answers are correct
Answer:
b number is the answer is it ok
Green house effect is caused by a) Green plants b) Infra red rays c) UV rays d)X-ray
Which answer option below describes the best way to increase the accuracy of a
confidence interval calculation?
The accuracy of a confidence interval calculation can be increased from 95% to 99%.
Thus, option C is correct.
What is confidence interval?A confidence interval contain a population parameter in a specified proportion of the time, which can be computed using the given confidence level from a limitless level of individual sample.
The proportion of the range consists of the true value of the factor that will be identical to the confidence level.
In most of the confidence interval examples, the confidence level chosen is 95%. and it can be raise up to 99%.
It cannot estimate the plausible values of the unknown parameter of the population.
Two types of confidence interval observed such as accuracy which is defined based on whether the confidence interval contains the true population parameter or not.
Secondly, the precision defined in terms of the width of a confidence interval.
Hence, option C is correct.
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Bert has blonde hair (b). Molly has brown hair (B), but her genotype is Bb, meaning she carries a recessive blonde allele. What is the likelihood of Bert and Molly's second child having brown hair?
Answer:
50%
Explanation:
Iif you do a punnet square you get Bb, Bb, bb, and bb
since blond is represneted by the recessive bb it's a 50% the child will have blond hair
Below is an image of a nucleus before it divides via meiosis. The chromosomes shown in red are from the female parent, and the chromosomes
in blue are from the male parent. Predict the gametes that can be created from this organism and explain the reason these different gametes are
possible.
Answer:
I predict that the gametes will be unique from their parents.
Explanation:
I predict that the chromosomes will pair up, with each pair having a red chromosome and a blue chromosome, then they'll cross over and exchange similar genetic information with each other. I think this because variety is important for any species for survival.
What is the correct order of the levels of organization in animals from smallest to largest?
Answer:
Molecules, cells, tissue, organ, organ system, organism, population, community, ecosystem, and biosphere are in the correct order of the organization's levels.
Explanation:
Molecule: Atoms, the smallest unit of chemical elements are built up of molecules. You can find it in any matter, whether it lives or not. The most fundamental structures of biological creatures are molecules. Biochemistry and molecular biology are two biological fields focused on this level.
Cell: A cell is the basic unit of life. Two types of cells exist plant cells with a stiff cell wall consisting of cellulose molecules and animal cells with a flexible cell membrane. Cell biologists examine problems like metabolism and other structure and functional questions within and between cells.
Tissue: Tissue consists of cells working together to accomplish a goal. Some tissues include muscle, connective tissue, and neural tissue. Examples of biologists working at this level are histologists.
Organ: An organ is a tissue system that works at bigger scales together to perform specified work in the body of an animal. Brain, heart, and lungs are examples of organs. Anatomy is an example of a specialty in biology which concerns this level.
Organ system: An organ system is a group of bodies that work together to fulfill certain activities of the body. Air systems are used to inhale oxygen and release carbon dioxide in animals, for example, by the lungs, respiratory tract, and muscles. The function of the corpus when working jointly is studied by physiologists. Although physiologists can work at any level, they commonly address queries about organ systems.
Organism: An organism is an autonomous and recognized person. The organisms might be single-cell or multi-cell organisms consisting of organisms and organ systems, as well as bacteria, amiable, or creatures. An example of a multi-cellular organism is a human being.
In most cases of multiple myeloma, the excess antibodies found in the blood all share an identical protein sequence (thus they have the same structure). Consider such a case where all of the antibodies are identical and think about the cell(s) of origin. How many different B cell clones gave rise to this immune cancer?
Answer: One single B cell clone gave rise to this immune cancer.
Explanation:
The body's cells divide and grow in a completely regulated manner, following an orderly cell cycle that indicates when a cell should die by apoptosis. With this regulation, it is controlled that there are no aging or mutated cells that grow and affect the organism. Cancer is a genetic disease caused by changes in these genes that control how our cells function. These changes, genetic mutations, can occur randomly in the body or can be inherited from parents. When a cell has its functions altered, they begin to grow out of control and in doing so, form masses called tumors that consume the body's resources and energy and crowd out normal cells, preventing them from fulfilling the biological functions necessary for life. Practically, any cell can become a cancer cell and migrate to other areas of the body.
Multiple myeloma is a type of plasma cell cancer. These cells are found in the bone marrow (tissue inside the bones) and are an important component of the immune system, which is made up of several types of cells that work together to fight pathogens and disease. Some cell types are B and T lymphocytes, and myeloid cells such as macrophages, dendritic cells, etc. When B cells respond to an infection with the participation of T cells that present pathogen-derived antigens to them, they mature into plasma cells. Plasma cells produce antibodies that help the body attack and destroy pathogens as well as cancer cells. These antibodies are proteins that bind to antigens that are also proteins found on the surface of the pathogens or cells to be attacked and "mark" them for destruction by other types of immune cells, such as macrophages or neutrophils.
When the plasma cells become cancerous and grow out of control, this is called multiple myeloma, and the mutated plasma cells produce abnormal antibodies. The overgrowth of plasma cells in the bone marrow can crowd out normal blood cell-producing cells, causing low blood cell counts. This can cause anemia which is characterized by a shortage of red blood cells, and thrombocytopenia which means a low level of platelets in the blood causing increased bleeding and bruising. Another condition that can occur is leukopenia (a shortage of normal white blood cells), which can cause problems fighting infections.
Then, the abnormal antibodies produced by the cancerous plasma cells will have the same amino acid sequence and therefore the same structure. Remember that an antibody is a protein, and proteins are a polymer of amino acids. This amino acid sequence is determined by the genes since each gene consists of a sequence of nitrogenous bases and every three bases read by the ribosomal apparatus (the one that synthesizes proteins), an amino acid is synthesized. Therefore, if we consider that cancer originates from a single cell that suffered a mutation in its genes and began to divide in an uncontrolled manner, the daughter cells (which are genetically identical to the mother cell) derived from this mutated cell will have the same genes (in this case, altered because they divide and grow in an uncontrolled and deregulated manner). This tells us that a single mutated B cell gave rise to this cancer.
Biomagnification results in higher amounts of toxic substances for organisms on the food chain
True
False
Answer:
Biomagnification results is higher in amount of toxin substances so the answer is true
Explanation:
