In unicellular organisms like bacteria, mitosis aids asexual reproduction by creating a near-exact duplicate of the parent cell.
A "amoeba" is another illustration of a eukaryotic, unicellular creature. An amoeba creates new life through cell division. Cell division in unicellular organisms is required just for reproduction. They divide their cells through a process called mitosis to create their daughter cells. Cell division is crucial for the development of new body cells and reproduction in multicellular animals. One pair of parents are used in asexual reproduction to create genetically identical kids. The primary method of cell division utilised by unicellular organisms is binary fission. The cell divides into two daughter cells that are genetically identical to one another.
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HELP ME PLEASE! 50 Points!
The diagram below represents processes involved in human reproduction. Which row in the chart below best identifies the processes represented by the letters in the diagram?
Row (1)
Row (2)
Row (3)
Row (4)
Answer:
I think row 2.
Explanation:
i thinks it's the best answer here.
The process involved in human reproduction is: meiosis occurs in both A and B to produce sperm and egg respectively which after fertilization forms zygote which undergo into differentiation which causes this embryo to transform into human child.
What is reproduction?"Reproduction is the biological process by which new individual organisms or offspring are produced from their parents."What is meiosis?It is a type of cell division which occurs in s ex cells.The number of chromosomes reduced to half and produces four daughter cells.What do you mean by fertilization?"The fusion of male and female gamete is called fertilization."The fusion leads to the formation of zygote.What do you mean by differentiation?"It is a process in which a stem cell alters from one type to a more specialized type."Hence, row (2) represents processes involved in human reproduction.
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Why do urban areas experience warmer temperatures compared to surrounding rural areas?
A. Urban areas have more surfaces that absorb and hold heat
B. Urban areas have more surface that reflect and disperse heat
Answer:
a
Explanation:
this is because building sidewalk and parking lots blocks heat coming from the ground from rising into the cold night sky because the heat is trapped on lower levels the temperature is warmer
Explain why it's incorrect to say that individual organisms can adapt over time.
Answer:
Because individuals do not adapt over time, populations adapt over time
What is it called when a organism has two identical alleles?
Answer:
Try homozygous genotype
If it is wrong, I do apologize.
please help me
An ostrich egg weighs about 1.4 kg (3 lb) is about 15 cm (6 in.) in length. Like all other eggs, an ostrich egg is made up of only one cell. What substances comprise an ostrich egg?
8.Pioneer species such as lichen and moss inhabit an area after a major disturbance such as a volcanic eruption. Over time, other species are found in the disturbed area and the number of pioneer species decreases. Why does the number of pioneer species decrease?The amount of available sunlight is reduced. The pioneer species can no longer thrive.The area has more soil to support complex plants. The competition increases between organisms.The area is more susceptible to the wind. Seeds are captured in the pioneer plants and germinate at a higher rate.The temperature is not as extreme as it was following the disturbance. Fewer of the pioneer species reproduce.
Answer:
The pioneer species can no longer thrive
Explanation:
After the volcanic eruption, the natural habitat of the pioneer species got disturbed in such a way that it can be revived by any means. Hence, in absence of adequate habitable conditions it is difficult for the pioneer species to survive along the path erupt by volcanic flow. Hence, the pioneer species started inhabiting the distributed land having feasible living conditions.
Label the following blood pressure readings as hypotensive, normal, pre-hypertensive, or hypertensive.
The following blood pressure readings are :
100/70 - Normal
150/95 - Hypertensive
130/85 - Pre-hypertensive
80/50 - Hypotensive
High blood pressure is nothing but high blood pressure and is a serious condition because it forces the heart to work harder to pump blood throughout the body and can increase the risk of heart attack, stroke and kidney failure if left untreated. Likewise, low blood pressure is hypotension.
Normal blood pressure varies from person to person, but the American Heart Association recommends a target blood pressure of less than 120 mm Hg systolic and less than 80 mm Hg diastolic. Stage 1 hypertension is when a person has a systolic blood pressure of 130-139 or a diastolic blood pressure of 80-89.
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Complete question :
Label the following blood pressure readings as hypotensive, normal, pre-hypertensive, or hypertensive.
100/70, 150/95, 130/85, 80/50
A man who is color blind married a woman with normal color vision whose father was colorblind, what is the probability of a child with colorblindness?
Answer:
However, in this case, it would seem that due to the genetic inheritance of the mother the chances of their child being color blind would be approximately 50% because each parent is a carrier. However, the chances of inheriting a colorblind X chromosome would be twice as likely for a female child.
Explanation:
What is the difference between cellular respiration and getting energy from a log by burning it?
The stored chemical energy is eventually released during cellular respiration through a sequence of enzyme-aided processes. When a log burns, chemical energy that has been stored is swiftly released as heat and light.
Living cells need respiration, a biological process, to release energy. A chemical reaction called combustion takes place outside of living organisms or cells. A controlled biological process, respiration. It is impossible to control combustion. When there is oxygen present, substances undergo a chemical reaction known as burning, which produces significant amounts of heat and light. Similarities between burning and respiration For the creation of energy, both processes need oxygen. As a byproduct, they emit carbon dioxide. The metabolic process known as respiration is when an organism obtains energy from the breakdown of glucose molecules in the form of ATP molecules.
When compounds are exposed to oxygen, a chemical reaction known as burning takes place.
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a ddntp, used often in dna sequencing, lacks a(n) ________ at the ________ and ________ carbons.
In DNA sequencing, a ddNTP is frequently used. It lacks a hydroxyl (OH) group at the 2' and 3' carbons.
Dideoxynucleotides triphosphates are referred to as ddNTP. Four kinds of nucleotides are included in it: ddATP, ddTTP, ddCTP, and ddGTP. Sanger sequencing, also known as chain-termination sequencing, employs ddNTP.
This ddNTP lacks a free hydroxyl (OH) group necessary for DNA replication, it is employed to prevent DNA synthesis. They are also known as 2' 3' because they lack hydroxyl groups on the ribose at either the 2' or 3' locations. As a result, they stop the chain from elongating because no phosphodiester bond is formed with the subsequent carbon.
Therefore, the blanks can be filled with hydroxyl (OH) group, 2' and 3'.
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how do structures in living organisms compared with structures of non-living things such as construction cranes
Living things have the capacity to grow, procreate, and carry out metabolic processes. Biomolecules, the building blocks of living things, need energy to function.
They display the processes of breathing, digesting, movement, and excretion. These things are made of cells.
Ships, houses, and airplanes are examples of non-living things that do not develop or procreate. These substances are made of inorganic molecules and lack any vital metabolic processes for life. Non-living things do not contain any cells.
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What type of cells from the mouse were
used for cloning?
Nimbus
Cumulus
Cirrus
Circus
Organisms that reproduce asexually through mitotic cell division
Bacteria and Archaea reproduce asexually, by simply dividing a parent cell into two new cells in a process called binary fission.
What foods were rationed and why?
Basic foodstuffs such as sugar, meat, fats, bacon and cheese were directly rationed by an allowance of coupons. Housewives had to register with particular retailers.
The restricted distribution of limited resources, products, or services, or a fictitious demand restriction, is rationing. One's allotted share of the resources being distributed on a specific day or at a specific time is controlled by rationing. Rationing can take many different forms, but price rationing is the most common.
Rationing is frequently used to maintain prices below the market clearing price, which is established by supply and demand in a free market. Rationing can therefore work in addition to price regulations. The different nations that rationed gasoline during the 1973 oil crisis are an example of rationing in the face of rising prices.
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What are 3 things that support the theory of evolution?
Fossil evidence, biogeographical evidence, and anatomical evidence were some of the many types of evidence that Darwin utilised to support his theory of evolution by natural selection.
We'll examine a variety of sources of information to examine the evidence for evolution, including both anatomy and embryology. An evolutionary heritage can be determined by similar anatomical traits between organisms, including those that are only observable during embryonic development.
Molecule biology We can tell how closely related two creatures are by comparing and contrasting the "same" gene in those animals (i.e., a pair of homologous genes).
Biogeography - We can retrace the evolutionary history of species by looking at their geographic distribution.
Fossils - However, it confirms the existence of now-extinct species and occasionally captures potential "in-between" species. The fossil record is not a complete record of evolutionary history, forms on the path if present day species.
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Recall the three tenets of the cell theory. Which of these statements can be used to determine that viruses are non-living?
A)
do not contain nuclei.
B)
are not composed of cells.
are not able to reproduce.
D)
do not contain nucleic acid
Answer:
B. Are not composed of cells
Explanation:
10. Phylogenetic relationships among genera of danaine but terflies (Lepidoptera: Nymphalidae) as implied by morphology and DNA sequenc
The findings show that, under the right conditions, this little gene area can be a valuable source of information for phylogenetic inference.
In order to infer deeper level patterns of association among nymphalid subfamilies and tribes, a cladistic analysis was done on a 378 bp area of the wingless gene from 103 nymphalid species and three pierid outgroups. Despite the fact that the data are largely homoplastic, the most sparse cladograms frequently confirm well-known groups. For the diverse butterXy subfamily Satyrinae, we have derived the first relationship theory that has empirical validity. For the 165 Satyrinae taxa represented, we used 3090 base pairs of DNA from the nuclear genes EF1 and wingless as well as the mitochondrial gene COI.
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How does gravity affect celestial interactions?
Answer:
Every object in space exerts a gravitational pull on every other, and so gravity influences the paths taken by everything traveling through space. It is the glue that holds together entire galaxies. It keeps planets in orbit. It makes it possible to use human-made satellites and to go to and return from the Moon
Why might a unicellular organism need oxygen?
Answer:
Most organisms also need oxygen to survive. ... In unicellular organisms, oxygen diffuses across the cell membrane into the cell. Carbon dioxide diffuses out of the cell once the concentration of carbon dioxide is higher inside the cell than it is outside of the cell.
A Cowbird lays it's eggs in other bird's
nests. As it's young hatch they fight to
survive along side the host bird's young.
This is an example of
Answer:
brood parasitism
Explanation:
Answer:
It go
Explanation:
Blood parasol I'm is the answer
What are the advantage and diadvantage to a plant pecie that i pollinated by only one type of pollinator?
The advantages of one type pollinator are increased pollination efficiency, reduced competition, and genetic stability, while the disadvantages are high dependency, limited distribution, and low genetic diversity.
A plant species that is pollinated by only one type of pollinator may have increased efficiency, reduced competition during the pollination process, as well as genetic stability. However, it also has a high dependency on that specific pollinator species. If the population of the pollinator declines, the plant species may also decline or become extinct. Additionally, this type of plant species typically has a limited distribution and is more vulnerable to environmental changes that can affect the distribution or abundance of its specific pollinator. It also has low genetic diversity which can make it more vulnerable to disease or other environmental pressures.
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Your question seems incomplete, but I assume the question was:
"What are the advantages and disadvantages to a plant species that is pollinated by only one type of pollinator?"
Which specific term describes teeth with two ridges, as found in Old World-monkey molars?
bilophodont
Explanation: Bilophodont molars have two ridges, each created by a pair of cusps that are connected by an enamel ridge, or loph. This type of molar is most often found in Old World monkeys.
Specific term is bilophodont which describes teeth with two ridges, as found in Old World-monkey molars.
The molars or molar teeth are huge, level teeth at the rear of the mouth. They are more evolved in warm blooded creatures. They are utilized principally to crush food during biting. The name molar gets from Latin, molaris sanctums, signifying "grindstone tooth", from mola, grinder and lairs, tooth. Molars show a lot of variety in size and shape across vertebrate gatherings. The third molar of people is some of the time minimal.
Alluding to molars that have four cusps arranged in two equal columns, looking like edges, or 'lophs'. This attribute is normal for Old World monkeys. The bilophodont tooth design is found in cercopithecoid monkeys in the three upper molars as well as the first and second lower molars.
With few special cases, molars were utilized to penetrate and pound the seeds. It is recommended that the improvement of bilophodont molars may be a variation by Old World monkeys to seed predation.
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(Complete question) is:
Which specific term describes teeth with two ridges, as found in Old World-monkey molars?
What gene(s) would be transcribed in a cell in which the green, blue, and yellow activators are present
Gene 4 , Constitutive genes are those that are active at all times. Ribosome genes are one example. They are continually translated because ribosomes are required for protein synthesis.
Promoters are DNA regions that can be identified by the transcription factor protein family. To coordinate transcription, these proteins interact with the DNA (or block them from getting started). To put it another way, transcription factors help direct attention to or away from specific genes.
feedback: A gene's expression can be controlled by cis-regulatory regions and transcription regulators that work in trans.
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What happens if there is a mutation in the active site?
Because it has no effect on the active site, the gene mutation is not an issue.
The creation of a distinct or defective protein may result from mutations. The specific substrate might not fit into the substrate binding site, for instance, if the protein is a significant enzyme. It may become weaker if it is a structural protein like collagen.
The majority of DNA mutations, meanwhile, do not change a protein. One explanation is the possibility of several triplets encoding the same amino acid. Other mutations may simply make a little alteration to the protein, maintaining its appearance or functionality.
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It is easier to carry out a controlled experiment in the field than it is in the laboratory. True or false
Answer:
true
Explanation:
Which concept should be used to describe the functioning of the serratus anterior as it assists the anterior deltoid during shoulder flexion
Answer:
Synergist an agent that increases the effectiveness of another agent when combined with it.
When a patient is admitted to the hospital and needs to be placed on intravenous (IV) fluids, its important that these fluids are at an isotonic concentration to their own body's fluids.
If the saline (salt) concentration of the body's fluids is 0.9\%0.9%0, point, 9, percent, what should be the concentration of IV saline solution administered to a patient?
Choose 1 answer:
A) Greater than 0.9% concentration
B) Within the range of 0.5% and 1.4%
C) 0.9% concentration
D) Less than 0.9% concentration
Answer: C) 0.9% concentration
Explanation: khan academy
0.9% concentration of IV saline solution administered to a patient.
Why saline is used for patients?Doctors use IV saline to replenish lost fluids, flush wounds, deliver medications, and sustain patients through surgery, dialysis, and chemotherapy. Saline IVs have even found a place outside the hospital, like a trendy hangover remedy. “It has high levels of sodium and chloride, levels that are higher than the blood.
What is a saline solution used for?They are used to treat dehydration, flush wounds, administer diluted medications, and sustain patients through surgery, dialysis, and chemotherapy. Saline solution is a combination of sodium chloride and water at a concentration of 9 grams of salt per liter (a 0.9% solution).
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In which types of cells must mutations occur in order for the mutation to be passed on to future generations?
1. Somatic cells
2. Genes
3. Gametes
4. Alleles
Answer:
Genes
Explanation:
Mutations occurs on genes
Answer:
2. Genes.
Explanation:
Mutations can occur in either cell type. If a gene is altered in a germ cell, the mutation is termed a germinal mutation. Because germ cells give rise to gametes, some gamete s will carry the mutation and it will be passed on to the next generation when the individual successfully mates.
How can the process of ecological succession change populations and affect species diversity within an ecosystem?
Answer: Population size and species diversity both increase during ecological succession.
Over time, more species are able to survive and become established.
Explanation:
The process of ecological succession change populations and affect species diversity within an ecosystem as the population size and species diversity both increase during ecological succession and over time, more species are able to survive and become established.
What is ecological succession?Ecological succession has been defined as the process by which plant communities develop over a period of time on the land where there was no vegetation. The succession begins with a pioneer species such as lichens, some fungi species.
Species such as lichen begins to secrete acids that begin to break the barren land into small particles. The small particles mix with lichen remains and starts soil formation. On addition of soil more diverse plant species such as bryophytes and pteridophytes grow. Later on, these plants are replaced by most diverse angiosperms. In this way, species diversity tends to increase as a result of ecological succession.
Therefore, The process of ecological succession change populations and affect species diversity within an ecosystem as the population size and species diversity both increase during ecological succession and over time, more species are able to survive and become established.
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Fill in the blank with the appropriate term.
1. The human machine is organized at different levels, starting with the cell and ending
with the entire _______________.
2. At each higher level of organization, there is a greater degree of _______________.
3. Many human cells are specialized in form and _________________.
4. Muscle cells have many __________________ that provide the energy they need to
move the body.
5. After the cell, the ________________ is the next level of organization in the human
body.
6. _________________ tissue protects the body and its internal organs.
7. Epithelial tissue secretes substances such as ________________.
8. Nervous tissue makes up the brain and the _______________ that connect the brain
to all parts of the body.
9. Human organs are organized into organ _________________.
10. The __________________ system takes in oxygen and releases waste gases.
11. The skeletal system provides ___________________ to the body and protects
internal organs.
12. Functioning together, the organ systems keep _______________, pH, and other
conditions at just the right levels to support life processes.
Match the vocabulary word with the proper definition.
Definitions
_____ 1. process in which mineral deposits replace cartilage and change it into bone
_____ 2. type of bone cell that regulates mineral homeostasis by directing the uptake of
minerals from the blood and the release of minerals back into the blood as needed
_____ 3. band of fibrous connective tissue that holds bones together
_____ 4. soft connective tissue in spongy bone that produces blood cells
_____ 5. dense outer layer of bone that is very hard and strong
_____ 6. type of bone cell that dissolves minerals in bone and releases them back into
the blood
_____ 7. place where two or more bones of the skeleton meet
_____ 8. rigid framework of bone that consists of tough protein fibers and mineral
crystals
_____ 9. light, porous inner layer of bone that contains bone marrow
_____ 10. human body system that consists of all the bones of the body as well as
cartilage and ligaments
_____ 11. type of bone cell that makes new bone cells and secretes collagen
_____ 12. tough, fibrous membrane that covers the outer surface of bone
Terms
a. bone marrow
b. bone matrix
c. compact bone
d. joint
e. ligament
f. ossification
g. osteoblast
h. osteoclast
i. osteocyte
j. periosteum
k. skeletal system
l. spongy bone
Answer:
1.f). ossification
2i). osteocyte
3 e). ligament
4a). bone marrow
5 c). compact bone
6 h). osteoclast
7. . d). joint
8. b). bone matrix
9. l). spongy bone
10. k) skeletal system
11. h) . osteoblast
12. j)periosteum