Because all living things are made of cells,
and you are a living thing, what kind of
cells are you made of?
(Prokaryotic or eukaryotic)
Answers
Answer:
eukaryotic
Explanation:
Well, there are some prokaryotic cells in the body, but mostly its eukaryotic, and the human body is categorized as eukaryotic organisms, because eukaryotic means that the cell has a nucleus, where prokaryotic cells don't.
Related Questions
question 45 58) movement of the chromosomes during anaphase would be most affected by a drug that prevents a) nuclear envelope breakdown. b) cell wall formation. c) elongation of microtubules. d) shortening of microtubules. e) formation of a cleavage furrow.
Answers
The correct option is (d). During anaphase, movement of the chromosomes would be most affected by a drug that prevents shortening of microtubules. This is because it is the shortening of microtubules that pulls the chromosomes towards the poles of the cell in order to make the two sets of chromosomes separate.
During anaphase, movement of the chromosomes would be most affected by a drug that prevents shortening of microtubules. This is because it is the shortening of microtubules that pulls the chromosomes towards the poles of the cell in order to make the two sets of chromosomes separate. In this process, the sister chromatids are pulled apart, one towards each pole and the result of this separation is that each pole now has a complete set of chromosomes that will be used to form two identical nuclei. Chromosomes are structures in the nucleus of a cell that contain genetic material in the form of DNA. DNA is the genetic material that is passed on from parents to offspring and carries the information that determines the characteristics of the organism. Chromosomes are responsible for the transmission of this information from one generation to another. The nuclear envelope is the double-layered membrane that surrounds the nucleus of a cell. It separates the contents of the nucleus from the cytoplasm and regulates the flow of molecules in and out of the nucleus. The formation of the nuclear envelope is important for the proper functioning of the nucleus and its contents. Microtubules are a type of cytoskeleton filament that plays a key role in many cellular processes. They are involved in the movement of organelles and other structures within the cell, as well as in the division of the cell. During cell division, microtubules form the spindle fibers that attach to the chromosomes and help to pull them apart. Movement of chromosomes is a crucial part of cell division, and the process requires a complex interaction of different cellular components. The cytoskeleton plays a key role in this process, and microtubules are an essential component of the cytoskeleton that are involved in the separation of chromosomes during cell division. Microtubules are long, thin, tube-like structures that are made up of protein subunits. They are involved in many different cellular processes, including cell division, cell movement, and intracellular transport. During cell division, microtubules form the spindle fibers that attach to the chromosomes and help to pull them apart.The movement of chromosomes during cell division is a complex process that requires the coordinated action of many different components. Microtubules are involved in this process because they attach to the chromosomes and pull them towards the poles of the cell. This movement is driven by the shortening of the microtubules, which causes them to exert a pulling force on the chromosomes.The formation of a cleavage furrow is a process that occurs during cytokinesis, which is the final stage of cell division. During cytokinesis, the cell membrane pinches inwards and eventually divides the cell into two separate cells. The formation of the cleavage furrow is not directly involved in the movement of chromosomes during anaphase. Therefore, the correct answer to this question is (d) shortening of microtubules.
To know more about chromosomes visit: https://brainly.com/question/30077641
#SPJ11
For a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as a (an)
Answers
For a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as an open square.
What is an X-linked trait?An X-linked trait is any phenotypic feature controlled by one or more genes located on the X chromosomes (it is a sex chromosome).
Moreover, a character that exhibits complete dominance is associated with an allele that completely masks the expression of the recessive allele in heterozygous organisms.
In conclusion, for a trait that is X-linked, recessive, and controlled by complete dominance, an individual with the genotype XnXn (little n, little n) would be represented in a pedigree as an open square.
Learn more about X-linked traits here:
https://brainly.com/question/8799684
#SPJ1
Severe flooding in an area caused a population of minnows to become split into two separate ponds. Prior to the separation, the male minnows all had a moderate number of spots.
Following the separation, the first pond was filled with larger fish that fed on minnows, so male minnows with fewer spots were better able to avoid detection by predators. The minnows in the second pond, however, had very few predators, and female minnows in this pond preferred to mate with males that had the most spots.
After many generations, the two minnow populations evolved into different species and could no longer interbreed.
Fish Species Average # of Spots
Original Species four to six
New Species 1 zero to two
New Species 2 eight to ten
Which of the following best describes why the two minnow populations evolved into separate species?
A.
Natural selection acted upon the traits of the minnows in the first pond only, causing these fish to evolve into a new species with new adaptations.
B.
Natural selection acted upon the traits of the minnows in the second pond only, causing these fish to evolve into a new species with new adaptations.
C.
The same selective pressures were acting upon both populations, leading to a decrease in genetic variation and the formation of two new species.
D.
Different selective pressures were acting upon the two populations, leading to an increase in genetic variation and the formation of two new species.
Answers
all are features of a plasmid useful for cloning except: a. a cloning site. b. a selectable marker. c. a replicator (origin of replication). d. expressed sequence tag. e. all are features.
Answers
Features of plasmids useful for cloning except e. all are features
Plasmids are extrachromosomal DNA which can replicate independently and vary in size. Plasmids are generally double-stranded, circular molecules, tightly closed by covalent bonds and are found in bacteria.
In genetic engineering plasmids are used as a tool to clone and manipulate genes and then return them to living things to be expressed. Cloning uses DNA containing the desired sequence, then purified target DNA to be spliced into new plasmids to form new recombinants. Useful plasmid features are for cloning sites are as follows: selected marker, replicator, and expressed tag sequence
Learn more plasmid at:
https://brainly.com/question/15461017?referrer=searchResults
#SPJ4
the characteristics of a malignant tumor are... high degree of anaplasia increase in vascularity rarely necrotic metastasizing
Answers
Neoplasia is an uncontrolled growth of cells that is not under physiologic control. A malignant cell is composed of cells that look like the normal cell of origin.
Neoplasia means new growth. when cells start dividing in an uncontrolled manner it leads to cancer. There are different classes of cancer such as sarcoma, lymphoma, and myeloma.
Malignant neoplasm cells are derived from epithelial cells and are called carcinomas. They are derived from connective tissues called sarcomas.
The characteristics of neoplasm include:
More rapid in size.Ability to invade surrounding tissues.Less differentiation.Prominent nucleoli.Causes of neoplasia:
ChemicalsOncogenes RadiationTherefore, Neoplasia is an uncontrolled growth of cells that is not under physiologic control. A malignant cell is composed of cells that look like the normal cell of origin.
To learn more about cancer, refer to the link:
https://brainly.com/question/8590464
#SPJ4
Define photophosphorylation?
Answers
The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.
How are biomes interdependent on the smaller levels of organization?
Answers
The biomes are interdependent on the smaller levels of organizations as the organisms, populations, community, and ecosystem together form the biomes.
Without the smaller levels of organizations, the larger biomes cannot exist. In Ecology, the organizational levels refer to the following: Biosphere - This is the home of all life on earth. Biome - A large assemblage of plants and animals inhabiting a major habitat. Ecosystem – A biological community of living organisms and their environment.
From the largest to the smallest: biospheres, biomes, ecosystems, communities, populations, and organisms. The cell is the smallest unit of organization.
To learn more about biomes, refer to the link:
https://brainly.com/question/30256754
#SPJ1
What does the oyster use to attach itself to a hard surface?
basal stalk
cement
Obyssal threads
O suction cups
Answers
The oyster uses cement to attach itself to a hard surface. Cement is used by oysters to adhere to a hard surface. Scallop, a unique type of adhesive cement secreted by oysters, hardens to produce a strong and long-lasting connection point.
A gland in the foot of the oyster produces cement which, once secreted, hardens quickly to form a solid bond between the oyster and the surface to which it is attached. This enables the oyster to maintain its position and prevents it from being moved by water currents or waves. Rocks, piers, and other oyster shells are some of the hard surfaces to which oysters can attach themselves.
Therefore, the correct option is B.
Learn more about Oysters, here:
https://brainly.com/question/30441310
#SPJ1
a pathway has two parts: a bundle of cns axons and a collection of neuron cell bodies in the cns. True/false?
Answers
The statement is true. A pathway typically consists of both a bundle of CNS (central nervous system) axons and a collection of neuron cell bodies in the CNS.
A pathway in the context of the nervous system refers to a specific route or circuit along which information is transmitted between different regions of the nervous system. These pathways involve the coordination of both axons, which are the long projections of nerve cells responsible for transmitting signals, and neuron cell bodies, which contain the nucleus and other organelles necessary for cellular functions.
The bundle of CNS axons forms the physical connection between different regions of the nervous system, allowing for the transmission of electrical impulses or signals. The collection of neuron cell bodies in the CNS, on the other hand, serves as the central processing center and integration point for incoming and outgoing signals.
Therefore, a pathway typically comprises both a bundle of CNS axons and a collection of neuron cell bodies in the CNS, making the statement true.
learn more about neuron click here;
brainly.com/question/10706320
#SPJ11
Write a paragraph explaining how adhesion cohesion and capillary action all enable water to go from the roots to the top of the tree
Answers
Adhesion, cohesion and capillary action enable water to go from the roots to the top of the tree due to its specific property.
How adhesion cohesion and capillary action move water to the top?Capillary action helps to bring water to the upper parts from the roots but to a small distance due to strong gravity. In order to get water up to all the branches and leaves, the forces of adhesion and cohesion work together in the plant's xylem to move water to the upper body.
So we can conclude that adhesion, cohesion and capillary action enable water to go from the roots to the top of the tree due to its specific property.
Learn more about adhesion here: https://brainly.com/question/1214644
#SPJ1
The interplay of the force is adhesion and cohesion helps to move the water up the roots to the top of the tree.
How does water move up a tree?We know that water is a polar molecule hence the dipole dipole interaction tends to make the molecules of water to coalesce together. This is the force of cohesion.
The force of adhesion binds the water molecule to other surfaces hence it cam interact with the xylem cells. Capillary action is the process that enable the water to enter the roots.
Thus the interplay of the force is adhesion and cohesion helps to move the water up the roots to the top of the tree.
Learn more about capillary action:https://brainly.com/question/14457491
#SPJ1
B cells are responsible for cell mediated immunity.
A. True
B. False
Answers
Answer:
True
Explanation:
B cells are involved in the humoral immune response and T cells are involved in the cell-mediated immune response. Class 1 MHC molecules are found on all uncleared cells and class 2 MHC molecules are found on macrophages, B cells, and activated T cells.
visible characteristics of snake
Answers
Answer:
The jaws of snakes are loosely jointed and extremely flexible. There are no ears or movable eyelids; the eyes are covered by transparent spectacles, or ocular scales.
Explanation:
Snakes have good vision.There are no ears or movable eyelids; the eyes are covered by transparent spectacles, or ocular scales.
Which explanation best describes why sexually reproducing organisms have greater genetic
variation than asexually reproducing organisms?
Helppp
Answers
Answer:
think of it this way lol
Explanation:
In asexual reproduction, you are essentially producing clones of the parent. There is no genetic variation between parent and offspring - think of mitosis.
In sexual reproduction, you have several chances for genetic variation. The first occurs in meiosis 1, when homologous pairs line up and crossing over occurs. Then in meiosis 2, different combinations of chromosomes (some from mother, some from father) could end up in the gamete cells. Finally, when the gametes (egg and sperm/spore) come together in fertilization, that represents a brand new combination of chromosomes, and therefore alleles, than either of the parents had.
The spicules of sponges are made up of caco3 (non living ) but why they have endo skeleton?While endoskeleton is living
Answers
Answer: The spicules of the sponges are made up of calcium carbonate and silica. These structures are present in the body of sponges to provide them support and protection.
The sponges have the endoskeleton in the body which is developed by the specialized cells of the body.
The endoskeleton of the sponges are known as spicules. Actually the outer body of the sponges are very soft and internally has endoskeleton for protection which is a bit hard as it is made of silicon dioxide or calcium carbonate.
as flow rate decreases in a digestive tract, more concentrated waste is produced. true false
Answers
As the flow rate of material through the digestive tract slows down, the concentration of waste products increases. True
This is because the digestive tract has more time to absorb water and nutrients from the undigested material. The slower the flow rate, the more water is absorbed, resulting in a more concentrated waste product. This is particularly important in the large intestine, where the majority of water absorption takes place.
When the flow rate through the large intestine is slowed down, more water is absorbed, and the feces become more concentrated, which can result in constipation. Conversely, a faster flow rate through the digestive tract would result in less time for water absorption, leading to a more watery or liquid waste product.
Learn more about digestive tract
https://brainly.com/question/28163067
#SPJ4
Write a hypothesis statement about the relationship between the number of mushrooms and the concentration of heavy metals in the soil. Procedure II ‐ Mushroom Yield ‐ Effect of Heavy Metal Concentration Level Sources of heavy metals in soil include natural processes (e.g. emissions from volcanoes) and human activities (e.g. coal-burning power plants and other industrial processes). Trial Metal Concentration Level (ppm) Mushroom Yield (Number of Mushrooms) 1 0.00 45 2 0.50 34 3 1.00 23 4 1.50 12
Answers
Hypothesis statement: Based on the data from Procedure II on the effect of heavy metal concentration levels on mushroom yield, it is hypothesized that there is a negative relationship between the concentration of heavy metals in the soil (measured in ppm) and the number of mushrooms yielded.
As the concentration of heavy metals increases, the mushroom yield is expected to decrease.
This hypothesis is based on the understanding that heavy metals, which can originate from both natural and human sources, have been shown to have detrimental effects on plant growth and development.
Therefore, it is anticipated that higher concentrations of heavy metals in the soil will inhibit mushroom growth and result in a lower yield.
To know more about Hypothesis statement refer here
brainly.com/question/29511315#
#SPJ11
Which of the following is NOT true about rocks?
A. their minerals can be used to classify them as igneous, metamorphic, or sedimentary
B. igneous rocks are classified based on the concentration of silica minerals
C. rocks are mixtures or aggregates of minerals
D. metamorphic rocks form from cooling magma
Answers
What role do white blood cells play in the development of DOMS?
A. They phagocytose cell membranes, causing muscle enzymes to leak into the bloodstream.
B. They destroy sarcomere structural proteins, leading to excitation-contraction problems.
C. They fight muscle infections that cause DOMS.
D. They secrete inflammatory substances that activate pain nerves in muscle.
Answers
They secrete inflammatory substances that activate pain nerves in muscle is the role that White blood cells play in the development of DOMS.
Hence, the correct option is D.
DOMS (Delayed Onset Muscle Soreness) is a condition characterized by muscle pain, stiffness, and tenderness that typically occurs 24 to 72 hours after intense or unaccustomed exercise. While the exact mechanisms behind DOMS are not completely understood, it is believed that white blood cells, specifically neutrophils and macrophages, play a role in the inflammatory response associated with DOMS.
During intense or unaccustomed exercise, microtrauma occurs within the muscle fibers, leading to damage and disruption of the muscle cell membranes. This damage triggers an inflammatory response, where white blood cells migrate to the affected area.
White blood cells release inflammatory substances, such as cytokines, prostaglandins, and bradykinin, as part of the inflammatory process. These substances can activate pain receptors (nociceptors) within the muscle, leading to the sensation of pain associated with DOMS.
It is important to note that while white blood cells play a role in the inflammatory response and pain sensation associated with DOMS, they do not fight muscle infections or destroy sarcomere structural proteins, as mentioned in options B and C, respectively.
Therefore, They secrete inflammatory substances that activate pain nerves in muscle is the role that White blood cells play in the development of DOMS.
Hence, the correct option is D.
To know more about White blood cells here
https://brainly.com/question/24122064
#SPJ4
Which statement BEST describes how the Carbon Stored in Urban Trees data table should be improved to better support the model and represent the cycling of carbon? It should include the amount of carbon lost to the atmosphere due to respiration by the trees. It should include the amount of carbon stored in the soil due to photosynthesis by the trees. It should include the amount of oxygen released by the trees due to photosynthesis. It should include the amount of oxygen consumed by the trees due to respiration.
Answers
The statement that BEST describes is It should include the amount of carbon lost to the atmosphere due to respiration by the trees.
By storing carbon in their annual new growth, trees lower the quantity of carbon in the atmosphere. A tree stores more carbon as it grows by keeping it in its accumulated tissue. The size and health of the trees affect how much carbon is annually stored. Urban trees that are open-grown and maintained typically have lower biomass than trees that grow naturally in wooded settings.
When a tree decays and dies, it releases a large amount of the carbon it has stored back into the atmosphere. Thus, the quantity of carbon that could be released if trees are allowed to wither and decay is sometimes referred to as carbon storage.
To learn more about Carbon visit: https://brainly.com/question/23067803
#SPJ1
bonus points question
1.write the alphabets
2.how many alphabets are there in total
for more follow me
Answers
Answer:
abcdefghijklmnopqrstuvwxyz
Explanation:
26
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Explanation:
There are 27 alphabets
Water constitutes about 75 percent of an adult's body weight. T/F
Answers
False. Water does not constitute about 75 percent of an adult's body weight.
While water is a vital component of the human body, the percentage of water in the body varies depending on several factors such as age, sex, body composition, and overall health. On average, water makes up approximately 60 percent of an adult's body weight. However, this value can range from about 45 to 75 percent, with individual variations.
The percentage of water in the body tends to be higher in lean individuals and lower in individuals with higher body fat percentages. Additionally, infants and children have higher water percentages due to their higher body water content compared to adults.
Water plays a crucial role in various bodily functions, including temperature regulation, nutrient absorption, waste removal, and maintenance of overall health. It is essential to maintain proper hydration by consuming an adequate amount of water and other fluids throughout the day to support these physiological functions.
To know more about adult's body weight follow the link:
https://brainly.com/question/33021094
#SPJ4
Which correctly lists the weather factors that are indicators of climate change? A)sunsets wind patterns clouds B) ocean currents,ice cores, temperature C)temperature, wind patterns, ice cores D) wind patterns, temperature, ocean currents
Answers
Answer: I think the answer is C
Explanation:
Answer:
D
Explanation:
Just got the answer right
How does physics relate to the solar system
Answers
which plot of the marker (linear or logarithmic) data is better? what does this tell you about the migration of the dna fragments through the agarose gel?
Answers
The choice of using a linear or logarithmic plot for the marker data in gel electrophoresis depends on the purpose of the experiment and the range of fragment sizes being analyzed.
A logarithmic plot is typically used when analyzing a wide range of fragment sizes, as it allows for easier visualization of smaller fragments that would otherwise be compressed on a linear scale. On the other hand, a linear plot is more appropriate for a narrow range of fragment sizes, where the resolution of smaller fragments is not a concern. In terms of the migration of DNA fragments through the agarose gel, the choice of plot does not have a direct impact. However, the distance migrated by the DNA fragments on the gel can be used to estimate their size based on a comparison to the marker lane. This information can then be used to identify and analyze specific DNA fragments of interest.
To learn more about DNA click here https://brainly.com/question/30006059
#SPJ11
PLEASE HELP!!!!!!!!! Choose the items that are Descriptive Statistics (Check all that apply)
A. Give a measure of statistical significance
B. Include the mean
C. Give the likelihood of data occurring by chance
D. Summarize the data
E. Tell you whether to call your mother about your results
Answers
The items that are Descriptive Statistics include both summarizing the data and and include the mean (Option B and D Option are correct).
What is Descriptive Statistics?Descriptive Statistics is a field in statistics aimed at describing different data in a sample and or population based on a summarization of info collected by experimental or observational studies. This field is fundamental in biology and related areas to describe population parameters.
In conclusion, the items that are Descriptive Statistics include both summarizing the data and and include the mean (Option B and D Option are correct).
Learn more about descriptive statistics here:
https://brainly.com/question/6990681
#SPJ1
Is the Department of Environment and Conservation’s effort to remove cats from Peron Peninsula a success? Why or why not? Use the data to support your answer. _______________________________________________________
Answers
The effort to remove cats from the Peron Peninsula was successful based on the data provided.
According to the data, before the removal effort, there were an estimated 30-40 cats per 100 hectares on the Peron Peninsula, which had a significant impact on the local ecosystem, particularly on native bird populations.
After the removal effort, which included the removal of over 3,000 cats, there has been a noticeable increase in the number of native animals, including birds, reptiles, and mammals. There have been no reports of feral cats in the area since 2014. These outcomes suggest that the removal effort was successful in reducing the negative impact of feral cats on the local ecosystem.
To learn more about data follow the link:
https://brainly.com/question/30834138
#SPJ4
2 When molecules are spread evenly across the cell ________ membrane,
is reached.
a equilibrium
b. difference
C. solution
d. transportation
Answers
Answer:
The answer is A. Equilibrium
Explanation: And I know it's a Equilibrium because I got it right the the quiz hopes this helps :) mark brianlest pls
Which of the following would be considered biologically important free radicals? Select all that apply
O2
NO2
NO
Answers
The biologically important free radicals are: NO (Nitric oxide). So the correct option is C.
NO (nitric oxide) is considered a biologically important free radical. It is a highly reactive molecule that acts as a signaling molecule in many physiological processes in the body, including regulation of blood vessel dilation, immune response, and neurotransmission. It is involved in various cellular signaling pathways and plays a role in regulating numerous physiological and pathological processes in the body.
O2 (oxygen) and NO2 (nitrogen dioxide) are not considered biologically important free radicals. Oxygen (O2) is a stable molecule that is essential for respiration and energy production in cells, while nitrogen dioxide (NO2) is a toxic air pollutant that can be harmful to human health when present in high concentrations. Free radicals are highly reactive molecules that have an unpaired electron, and they can damage cellular structures and biomolecules if not properly regulated by antioxidant systems in the body.
To know more about neurotransmission,
https://brainly.com/question/30336628
#SPJ11
HELP ASAP! 10 POINTS FOR ANSWER
Based on the table of rock characteristics, and your knowledge of the rock cycle, in which type of rock (igneous, metamorphic, or sedimentary) would you expect to find ribbon layers? Why?
Answers
Answer:
There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.
Explanation:
What is the structure and function of genes?
Answers
Structure of genes:
A gene is composed of a nucleotide chain, which is made up of DNA strands. Genes are composed of nucleotides.
DNA consists of A, T, G, and C nucleotides. Hydrogen bonds form with opposite-strand nucleotides, and phosphodiester bonds form with adjacent-strand nucleotides
Nucleotides are composed of nitrogenous bases (A, T, G, and C), phosphate, and pentose sugar
Genes consist of two types of elements: core elements and regulatory elements.
In fact, core sequences or elements play an important role in protein synthesis. Gene expression is maintained by regulatory elements.
Among the most important elements of DNA are exons. The regulatory elements of a gene are sequences like promoters, enhancers, and silencers.
Function of genes:
A gene's primary function is to form or manufacture proteins, but it's not the only one. Indeed, it's partially true.
Some genes do not produce protein even though microRNAs, for example, are tiny ribonucleic acids formed from some genes, but they don't produce proteins. Instead, it regulates gene expression.
A gene carries instructions that determine your features, such as eye colour, hair colour, and height. For each feature, there are several gene variations.
To know more about genes refer to:
https://brainly.com/question/28168605