Answer:
Answer is on the pic.
Explanation:
I hope it's helpful!
Which statements about the citric acid cycle are true? Select all that apply. 1. Co2 is released 2. ATP is consumed 3. Pyruvate is produced 4. NADH and FADH2 are produced
The first turn of the citric acid cycle produces CO2, NADH, FADH2, and ATP.
On what date is the North Pole getting 24 hours of daylight?
Answer:
December 21st
Explanation:
Midsummers' Day :)
Answer:
The 21st of December
Explanation:
I know this cause we learned about it in class
Observa la imagen y escribe a qué tipo de presión se refiere
Answer:
presión sanguínea
Explanation:
espero que esto ayude
The body is protected against harmful flu
viruses by
(1) red blood cells and hormones
(2) white blood cells and antibodies
(3) white blood cells and enzymes
(4) red blood cells and antibodies
Answer:white blood cells and antibodies
Explanation:White blood cells include lymphocytes (such as B-cells, T-cells and natural killer cells), and many other types of immune cells.
What part of Schwann’s publication was wrong?
Answer:
The CELL THEORY, or cell doctrine, states that all organisms are composed of similar units of organization, called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology. The idea predates other great paradigms of biology including Darwin's theory of evolution (1859), Mendel's laws of inheritance (1865), and the establishment of comparative biochemistry (1940).
Ultrastructural research and modern molecular biology have added many tenets to the cell theory, but it remains as the preeminent theory of biology. The Cell Theory is to Biology as Atomic Theory is to Physics.
According to the graph below, at which point is the plant preforming the most photosynthesis?
A. Point D.
B. Point B.
C. Point C.
D. Point A.
Answer: C
Explanation:
Scientists determined that organisms of the genus spinoloricus were eukaryotes and not prokaryotes because spinoloricus cells have -.
Organisms of the genus spinoloricus that were eukaryotes and that not prokaryotes because the spinoloricus cells have the nuclear membrane
Spinolorix organisms are fundamentally different from other known eukaryotes in that they lack mitochondria and can exist without oxygen. However, their genetic material is contained within the nuclear membrane, making them more likely to be eukaryotic than prokaryotic. The nuclear membrane which is also called as the nuclear envelope. It consists of two lipid bilayer membranes. Nuclear membranes are present in both plant and animal cells The nuclear envelope is composed of two phospholipid bilayers. The membrane facing the cytoplasm is called the outer nuclear membrane (ONM) and the membrane facing the nucleoplasm is called the INM. The ONM is continuously connected to the ER and, like the ER, is decorated with ribosomes on its surface.
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!!will mark brainliest!!
-What genotypes would the parents have to be to have a child with hemophilia?
Answer:
If the father has hemophilia and the mother DOESN'T the daughters any will have and the sons won't. If the moms have it and the dad doesn't that means all of the sons will have it and the daughters won't
Explanation:
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Answer:
Male/Dad: XhY
Female/Mom: XHXh
Explanation:
Hemophilia is a sex-linked recessive disorder. Due to this, this means that the genotypes of those affected would be:
XhXh (female)XhY (male)Doing a quick punnet square using XhY x XHxH would equal to 25% XHXH (unaffected female), 25% XHXh (female carrier), 25% XHY (unaffected male), 25% XhY (affected male).
Correct me if I'm wrong, please!
A student makes a model to represent community as a level of organization within a desert
ecosystem. Which list of items should the student choose for the model? *
1.six saguaro cacti and a cup of sand
2.three sand dunes and a cup of water
3.three saguaro cacti, five roadrunners, and two rattlesnakes
Answer:
The correct answer is - 3. three saguaro cacti, five roadrunners, and two rattlesnakes.
Explanation:
A community is a group of interacting populations, in a particular ecosystem, of different species. The group of the same species is known as the population of the ecosystem. In the desert ecosystem, there should be a different group of populations should be found that interact with one other.
Among the given options, the third list has a different kind of species present three saguaro cacti, five roadrunners, and two rattlesnakes interact with one other and depend on one other for food and energy.
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Online Content: Site 1
Explain the effects of air pollution on several European countries. (Site 1)
Answer:
Air pollution harms human health and the environment. In Europe, emissions of many air pollutants have decreased substantially over the past decades, resulting in improved air quality across the region. However, air pollutant concentrations are still too high, and air quality problems persist. A significant proportion of Europe’s population live in areas, especially cities, where exceedances of air quality standards occur: ozone, nitrogen dioxide and particulate matter (PM) pollution pose serious health risks. Several countries have exceeded one or more of their 2010 emission limits for four important air pollutants. Reducing air pollution therefore remains important.
Air pollution is a local, pan-European and hemispheric issue. Air pollutants released in one country may be transported in the atmosphere, contributing to or resulting in poor air quality elsewhere.
Particulate matter, nitrogen dioxide and ground-level ozone, are now generally recognised as the three pollutants that most significantly affect human health. Long-term and peak exposures to these pollutants range in severity of impact, from impairing the respiratory system to premature death. Around 90 % of city dwellers in Europe are exposed to pollutants at concentrations higher than the air quality levels deemed harmful to health. For example, fine particulate matter (PM2.5) in air has been estimated to reduce life expectancy in the EU by more than eight months. Benzo(a)pyrene is a carcinogenic pollutant of increasing concern, with concentrations being above the threshold set to protect human health in several urban areas, especially in central and eastern Europe.
"Air pollution is causing damage to human health and ecosystems. Large parts of the population do not live in a healthy environment, according to current standards. To get on to a sustainable path, Europe will have to be ambitious and go beyond current legislation."
Explanation:
need help ASAP!!
state your claim. make sure claim fully explains how farming on land can contribute to algal blooms in the ocean.
[will give brainiliest:)]
Answer:
A increase in nutrients can trigger algae blooms.
Can somebody help me out?
Answer:
Im thinking it's either b or e. Im sorry i don't know exactly i tried to do a little research and there wasn't much i could find.
depression of the central nervous system (cns), manifested by lethargy, delirium, stupor, and coma, is observed in what?
Depression of the central nervous system (CNS), manifested by lethargy, delirium, stupor, and coma, is observed in alcohol poisoning.
Alcohol poisoning is a serious and potentially deadly condition that results from consuming a large amount of alcohol in a short period of time. When someone drinks too much alcohol, it can depress the central nervous system, which can lead to lethargy, delirium, stupor, and coma.
Symptoms of alcohol poisoning include confusion, vomiting, seizures, slow breathing, pale or blue skin, low body temperature, and unconsciousness. If someone is experiencing symptoms of alcohol poisoning, they should seek medical attention immediately.
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Deer eat grass, leaves, and acorns. They are eaten by wolves and coyotes. Deer
are
A. primary producers
B. secondary producers
C. primary consumers
D. secondary consumers
Answer:
Primary consumers
Explanation:
Producers create their own food/energy source. Example: grass
Primary consumers eat producers. Example: rabbits
Secondary consumers eat primary consumers. Example: snakes
describe the physical composition of a dna microarray? list 4 specific uses of microarrays that are not described in your textbook.
One way to create a DNA microarray is to put fluorescently labelled cDNA on top of a slide that has hundreds of thousands of single stranded DNA sequences from particular genes on it. One form of DNA microarray used to identify polymorphisms in a population is SNP detection.
Multi-stranded DNA microarrays - These DNA microarrays are used to find new medications that bind to sequences of multi-stranded nucleic acids. Fusion genes microarray - identify fusion transcripts from samples of cancer, for instance. Tiling arrays, which can be as large as an entire human chromosome, are composed of overlapping probes that densely represent a genomic region of interest. This can identify transcripts or alternatively spliced versions that weren't previously known.
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SOMEONE PLS HELP ME!!!!
Explanation:
sunlight A suntranspiration E soilPlease Help! This is due in 5 minutes!
Whose work showed that the fossils in caves were, in fact, a result of accumulation over time rather than the result of one cataclysmic event?
A. Gideon Mantell
B. William Buckland
C. Charles Lyell
D. Richard Owen
Answer:
C. Charles Lyell
Explanation:
Lyell argued that the formation of Earth's crust took place through countless small changes occurring over vast periods of time, all according to known natural laws.
Question: Is it more dangerous to exercise in extremely cold or extremely hot weather?
Which New York State landscape region is composed of mostly horizontal sedimentary bedrock and has a high elevation?
1 Hudson Highlands
2.Manhattan Prong
3. the Catskills
4.Taconic Mountains
The Catskills is the New York State landscape region that is composed mostly of horizontal sedimentary bedrock and has a high elevation.
Explanation:The New York State landscape region that is composed of mostly horizontal sedimentary bedrock and has a high elevation is the Catskills.
The Catskills are located in southeastern New York and are known for their scenic beauty and outdoor recreational opportunities. The region is primarily made up of sedimentary rocks, such as sandstone and shale, which were deposited millions of years ago.
The Catskills have a high elevation, with the highest peak, Slide Mountain, reaching over 4,000 feet. This elevation contributes to the region's cooler temperatures and the formation of numerous waterfalls and deep valleys.
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the simplest hypothesis for the original function of hox genes is that
The simplest hypothesis for the original function of Hox genes is to provide positional information in developing embryos.
Hox genes are a family of transcription factors that play a crucial role in regulating the body plan of animals. They are expressed in a spatially and temporally restricted manner along the anterior-posterior axis of the developing embryo, and their expression patterns correlate with the formation of specific body structures.
The role of Hox genes in embryonic development is complex and multifaceted, and many hypotheses have been proposed to explain their function. However, the simplest hypothesis is that they provide positional information to developing cells, allowing them to differentiate into the appropriate cell type and form the correct body structure. This hypothesis is supported by a large body of experimental evidence. For example, researchers have shown that altering the expression patterns of Hox genes can lead to dramatic changes in the development of specific body structures. In some cases, ectopic expression of Hox genes can even induce the formation of new body structures that are not normally present in the developing embryo.
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assume you saw biofilm formation on the negative control slide. what could account for such an observation?
Biofilm formation on the negative control slide could be attributed to contamination, equipment or procedural error.
What are some potential causes of biofilm formation on the negative control slide?Biofilms are communities of microorganisms that adhere to surfaces and produce extracellular matrix. When conducting experiments to test for biofilm formation, it is common to include a negative control slide that should not have any biofilm growth. However, if biofilm is observed on the negative control slide, it can indicate a problem with the experiment. The presence of biofilm on the negative control could be due to contamination, equipment error, or procedural error.
Contamination can occur in a variety of ways. The slide could have been contaminated during handling or preparation, or the microorganisms used in the experiment may have been contaminated. It is important to take measures to prevent contamination, such as sterilizing equipment and using aseptic technique.
Equipment error can also cause biofilm formation on the negative control slide. For example, if the incubator temperature is too high, it could cause unintended biofilm growth. Proper calibration and maintenance of equipment can help prevent these types of errors.
Procedural error is another potential cause of biofilm formation on the negative control slide. The experiment may have been conducted incorrectly or there could have been a mistake during the preparation of the samples. Double-checking the procedure and following established protocols can help prevent these types of errors.
In conclusion, biofilm formation on the negative control slide can be caused by contamination, equipment error, or procedural error. Taking measures to prevent contamination, properly calibrating and maintaining equipment, and following established protocols can help prevent these types of errors.
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what is the role of sequences of three nucleotides in the genetic code? . what is the role of sequences of three nucleotides in the genetic code? . code for one or more bases in mrna signal the end of dna synthesis code for amino acids signal the start of rna synthesis signal the start of dna synthesis
Answer & Explanation:
In the genetic code, sequences of three nucleotides, called codons, serve as the code for amino acids. Each codon represents a specific amino acid, and when these codons are read in the correct order, they specify the sequence of amino acids in a protein. Codons also have other roles in the genetic code, such as signaling the start and end of transcription and translation. For example, the codon AUG signals the start of transcription, while the codon UAG signals the end of translation.
which below is not a group of mammals
Answer:
a
Explanation:
i think the rest are mammals
Write a 2 paragraph summary about the structure of DNA from the information on the first page.
FYI the picture is attached
Answer:
DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.
The four types of nitrogen bases found in nucleotides are: adenine (A), thymine (T), guanine (G) and cytosine (C). The order, or sequence, of these bases determines what biological instructions are contained in a strand of DNA. For example, the sequence ATCGTT might instruct for blue eyes, while ATCGCT might instruct for brown. The complete DNA instruction book, or genome, for a human contains about 3 billion bases and about 20,000 genes on 23 pairs of chromosomes.
I hope this works and I helped :3
Explanation:
What type of growth pattern will the bats exhibit
Bats typically exhibit sigmoid or S-shaped growth curves, which are characteristic of many populations of living organisms.
What is the type of growth pattern in bats?In the early stages of growth, the bat population is small and has a slow rate of increase. As the population grows, it enters a period of rapid growth, where the rate of increase is high.
Eventually, the growth rate begins to slow down as the population approaches its carrying capacity, which is the maximum number of individuals that can be sustained by the available resources. At this point, the population stabilizes at its carrying capacity, and growth stops or becomes very slow.
This pattern of growth is common in many animal populations and is influenced by factors such as resource availability, predation, disease, and other environmental factors
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What stage of the cell cycle?
Answer:if you mean what are the stages of the cell cycle: interphase (g1, s, g2), mitosis(p,m,a,t,), then cytokinesis
Explanation:
If a cell is placed in slat water leaves the cell by
if agglutination occurs after a blood transfusion, it may indicate
If agglutination occurs after a blood transfusion, it may indicate an incompatible blood type or an immune response to the transfused blood.
Red blood cells (RBCs) clump together due to the interaction of antibodies and antigens on the RBC surface, which is referred to as agglutination. When it comes to blood transfusions, it often happens when the recipient's and donor's blood types are not compatible.
If transfused blood includes antigens that the recipient does not have or contains antibodies that interact with the recipient's own antigens, the immune system of the recipient may identify the transfused blood as foreign.
Agglutination is a symptom of a transfusion reaction, which can range in severity from mild to severe and include complications that could be life-threatening.
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Complete question
If agglutination occurs after a blood transfusion, it may indicate __________.
The graph demonstrates the quantitative variation for skin pigmentation.
A bar graph has skin pigmentation color on the horizontal axis and Proportion of population on the vertical axis. From lightest to darkest skin colors, the proportions are: 1/64, 6/64, 15/64, 20/64, 15/64, 6/64, 1/64.
Which conclusion is supported by the graph?
More than half of the population has the central skin pigmentation.
The lightest and the darkest skin pigmentations are equally common in the population.
The central skin pigmentation makes up more of the population than the rest of the skin pigmentation groups combined.
Fewer people have skin pigmentation lighter than the central peak than people who have pigmentation darker than the central peak.
The graph demonstrates the quantitative variation for skin pigmentation and concludes that the lightest and the darkest skin pigmentations are equally common in the population.
Why are the lightest and darkest skin pigmentations equal ?Human skin can be any shade of brown, from the deepest to the palest. Variation in pigmentation, which is brought on by genetics (inherited from one's biological parents and/or specific gene alleles), exposure to the sun, natural and sexual selection, or any combination of these, is what gives people their different skin tones. Natural or sexual selection, social norms, varying environments, and laws governing the biochemical consequences of ultraviolet radiation penetrating the skin all contributed to population changes over time.Here, the ratios of lightest to darkest pigmentation is gives as 1/64 + 6/64 + 15/64 + 20/64 + 15/64 + 6/64 + 1/64 Therefore, we get 64/64 so hereby we can conclude that the lightest and the darkest skin pigmentations are equally common in the population.What is skin pigmentation?Your skin's color is referred to as skin pigmentation. It is determined by the quantity and kind of melanin, a pigment produced by specialized skin cells called melanocytes. Pigment disorders like hyperpigmentation (dark spots), hypopigmentation (light spots), and depigmentation can be brought on by changes in melanin production.Can learn more about skin pigmentation from https://brainly.com/question/23723742
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Scientists are trying to find the causative agent for a new disease in chicken. They grow a culture of what they think is the causative agent. They then inoculate a large group of healthy representative chicken with the agent, but none of the chicken become ill. Applying the Germ Theory of Disease, which of the following could explain the results (choose all correct answers)?
A. They isolated resident microbiota (look in your textbook for definition)
B. The suspected causative agent is found in healthy chickens.
C. The true causative agent is not an infectious disease.
D. The suspected causative agent is an infectious disease.