Answers
In a nutshell, fossils are the remains of plants
and animals from millions of years ago.
So, the answer would be C, the remains of a dead organism.
Fossils look like rocks with a design or picture in them
and the dead plant or animal becomes part of the rock.
Fossils usually form when a dead plant
or animal lies buried in the sand or the mud.
Answer:
The remains of a dead organism
Additional Information:
FossilA fossil is the mark or hardened remains of plant or animal that had existed thousands or millions of years ago.Some fossils such as leaves,shells or skeletons are preserved after the death of animals and plants.A fossil varies range from tiny microscopic to gigantic dinosaur bone in size.Most of the fossils are found in sedimentary rocks.
Hope it helps
Good luck on your assignment
Related Questions
Write a 2 sentence summary about cellular respiration.
Answers
Answer:
I looked it up and this what it said
Explanation:
"Cellular respiration is the process in which cells break down glucose, release the stored energy, and use it to make ATP. The process begins in the cytoplasm and is completed in a mitochondrion. Cellular respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport."
Cellular respiration can be summarized as:
What is cellular respiration?Cellular respiration is the mechanism by which living cells break down glucose molecules and release energy in the form of ATP molecules.
Energy coupling can be seen in cellular respiration.
Glucose is broken down in an exothermic reaction and the energy released powers the endothermic reaction of ATP generation.
Glycolysis, the TCA cycle, and the electron transport chain are the three steps of cellular respiration.
From one molecule of glucose, 38 molecules of ATP are created in all three stages of cellular respiration.
(Glucose) C6H12O6 + 6O2 → 6CO2 + 6H2O Chemical Energy (in ATP)
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If a diploid organism has 24 chromosomes in its somatic cells, how many chromosomes will it have at the end of meiosis II?
Answers
Answer:
12 chromosomes
Explanation:
If a cell has 24 chromosomes before cell division then daughter cell resulting from mitotic division will have 24 chromosomes while daughter cell resulting from the meiotic division will contain 12 chromosomes each.
The backbone of DNA consists of ______.
a) paired nucleotides
b) a repeating sugar-nucleotide-sugar-nucleotide pattern
c) nitrogenous bases
d) a repeating sugar-phosphate-sugar-phosphate pattern
Answers
The backbone of DNA is made up of a sugar-phosphate-sugar-phosphate pattern that repeats itself.
What is the structure of DNA?DNA is a nucleotide-based double helical structure. Hydrogen bonds hold the two helices together. A sugar-phosphate backbone is also present in the DNA.Nucleotides are the building blocks of DNA and are composed of three components: a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base.A double helix is a twisted ladder-like structure composed of two interconnected strands winding around each other. Each strand has a sugar (deoxyribose) and phosphate backbone that alternates. Each sugar is connected to one of four bases: adenine (A), cytosine (C), guanine (G), or thymine (T).Understanding the structure and function of DNA has revolutionized disease pathway research, assessing an individual's genetic susceptibility to specific diseases, diagnosing genetic disorders, and developing new drugs. It is also essential for pathogen identification.To learn more about DNA refer to :
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What methods or policies can governments introduce to ensure that all individuals in society will conserve and use water in sustainable ways? Mention 2
Answers
The methods or policies the government can introduce to ensure that all individuals in society will conserve and use water in sustainable ways include the following:
Purchase of water efficient equipment.Provision of incentives to reduce pollution.What is Conservation?These refers to the various methods and techniques which are used to protect natural resources for future use. This helps to prevent them from going extinct or becoming unavailable for future generations.
Water is an example and can be conserved by purchasing water efficient equipment which will maximize its use and ensuring that incentives are provided so as to help discourage pollution by individuals thereby helping to reduce wastage.
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ZOOM
21. How are viruses and eukaryotic cells alike?
Answers
Answer:
There are a number of similarities between viruses and cells. Both are too small to be seen with naked eyes and require a microscope for observation. Both contain genetic material, in the form of DNA and/or RNA. Both of them can replicate, that is, produce more organisms similar to themselves....
Imagine a sewage plant that is releasing sewage containing high levels of ammonia and phosphate and very low levels of organic carbon. Which type of microbial bloom and which kind of metabolic processes might be triggered by this sewage
Answers
The sewage plant is releasing sewage containing high levels of ammonia and phosphate and low levels of organic carbon. This specific nutrient composition can lead to a type of microbial bloom known as an "algal bloom" or "eutrophication."
The metabolic process that can be triggered by this sewage composition includes ammonia oxidation. Ammonia, which is high in sewage, can be oxidized by nitrifying bacteria.
These bacteria convert ammonia (NH₃) to nitrite (NO₂⁻) and then to nitrate (NO₃⁻). This process is known as nitrification and requires oxygen.
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The percentage of our total gene pool that determines our sex (x and y chromosomes) is?
Answers
The percentage of our total gene pool that determines our sex (X and Y chromosomes) is 0.2%.
In terms of numbers, the X chromosome has roughly 800-900800-900800, minus 900 protein-coding genes with a wide range of functions, whereas the Y chromosome has about 60-7060-7060, minus 70 protein-coding genes, of which about half are exclusively active in the testes.The chromosome that the male father provides determines the biological sex (male or female) of the child. The X or Y chromosome can be contributed by the male, who has XY sex chromosomes, whereas the X chromosome must be contributed by the female, who has XX sex chromosomes.Numerous processes, such as mutations, natural selection, and genetic drift, can cause this. As a result, the population's gene pool is modified to better suit the requirements of its particular habitat.To learn more about chromosome.
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A group of genes in a nematode genome are found to have a similar sequence, to be tandemly arrayed, and to control body region development. These genes are likely to be
Answers
a group of genes in a nematode genome that have a similar sequence, are tandemly arrayed, and control body region development are likely to be Hox genes.
Hox genes play a crucial role in specifying the identity of different body regions during development by providing spatial information to cells. Hox genes represent a large family of transcription factors that comprise a homeodomain DNA-binding motif and act as regulatory genes in processes such as pattern formation and evolution of the patterning mechanism. These genes often have a conserved sequence and are found in clusters, which allows them to function in a coordinated manner during development. so, a group of genes in a nematode genome that have a similar sequence, are tandemly arrayed, and control body region development are likely to be Hox genes.
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**15 Points & Branliest** ; Individual 5 in generation III of this pedigree visited a genetic counselor. The counselor made this pedigree that shows the inheritance of cystic fibrosis in this individual’s family.
What information can the genetic counselor share with individual 5 in generation III, based on this pedigree?
- She will never have a child with cystic fibrosis.
- She is a carrier of cystic fibrosis.
- She does not carry the gene for cystic fibrosis.
- She might develop cystic fibrosis later in life.
Answers
Answer:
- She does not carry the gene for cystic fibrosis.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Answer:
C
Explanation:
What are the differences between a prokaryotes and eukaryotes cell?
(At least 3)
Answers
Answer:
Prokaryotes lack:
Cellular membranesA defined nucleusCytoskeletonExplanation:
*The Hydrologic Cycle Q3: Do you think the reservoir gains or loses w: Q4: How much?
Answers
The hydrologic cycle is a process by which water circulates through the Earth's atmosphere, oceans, and land, linking them in a continuous cycle.
During this cycle, water moves between the oceans, land, and atmosphere through evaporation, precipitation, transpiration, runoff, infiltration, and storage. The hydrologic cycle is an essential process for the Earth's ecosystems, as it distributes freshwater and supports life on the planet.
Q3: Do you think the reservoir gains or loses water?
A reservoir can gain or lose water depending on the balance between the amount of water entering and leaving the reservoir. If the inflow is greater than the outflow, the reservoir will gain water, and if the outflow is greater than the inflow, the reservoir will lose water.
Q4: How much?
The amount of water gained or lost by a reservoir will depend on various factors such as the size of the reservoir, the amount of precipitation, evaporation, and human use. Therefore, it is not possible to provide a specific value for the amount of water gained or lost by a reservoir without considering these factors.
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what is it called when part of a patient's bronchial tree is blocked, causing a partial collapse?
Answers
When part of a patient's bronchial tree is blocked, causing a partial collapse, it is called bronchial obstruction or bronchial collapse.
This can occur when there is a build-up of mucus, inflammation, or a foreign object in the bronchial tree, which can partially or completely block the airway.
Bronchial obstruction can cause a range of symptoms, including shortness of breath, wheezing, coughing, chest pain, and difficulty breathing. It can also increase the risk of developing infections such as pneumonia.
Treatment for bronchial obstruction depends on the underlying cause and severity of the condition. In some cases, bronchodilator medications may be used to help open up the airway and relieve symptoms.
In more severe cases, bronchoscopy may be performed to remove any blockages or foreign objects from the bronchial tree. Surgery may also be necessary in certain cases to remove blockages or repair damaged tissue.
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the heat of the sun is received by conduction true or false
Answers
Answer:
Heat from Sun reaches us by the process of radiation. ... It takes place in the form of electromagnetic radiations. In space (where there is Sun) there is no atmosphere, no medium, so convection can't take place. By radiation only heat can be transmitted by Sun to earth.
Answer:
false
Explanation:
lol its radiation
What is a photosynthetic pigment
A. A man-made compound that reacts to light
B. An oxygen based compound that captures light energy.
C. A light sensitive compound that changes color.
D. A colored compound that captures light energy.
Answers
Answer:
Answer D is correct.
Explanation:
A colored compound that captures light energy.
This photosynthetic pigment means the pigment which is present in chloroplasts to absorb or capture the light energy to do photosynthesis.
Hope this helps you
Assume you have a herd of homozygous black cattle consisting of a total of 40,000 breeding age animals. The rancher adds 10,000 F1 hereford x Angus crossbreds (all black with white faces) of breeding age to the herd. What is the frequency of the b (red) allele in the herd after the additional of the hereford x angus F1 cattle?
Answers
The frequency of the b (red) allele in the herd after the addition of the hereford x angus F1 cattle is 0.2.
The frequency of the b (red) allele in the herd after the addition of the hereford x angus F1 cattle can be calculated using the Hardy-Weinberg equation:
p^2 + 2pq + q^2 = 1,
where p is the frequency of the dominant allele (B) and q is the frequency of the recessive allele (b).
Before the addition of the hereford x angus F1 cattle, the frequency of the b allele was 0, as all the cattle were homozygous black (BB).
After the addition of the hereford x angus F1 cattle, the total number of cattle in the herd is 50,000 (40,000 + 10,000). The frequency of the b allele can be calculated as follows:
q = (number of b alleles) / (total number of alleles)
q = (10,000 x 2) / (50,000 x 2)
q = 20,000 / 100,000
q = 0.2
Therefore, the frequency of the b (red) allele in the herd after the addition of the hereford x angus F1 cattle is 0.2.
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during c. elegans development, the first cell division establishes which axis?
Answers
The anterior posterior axis is the axis which is established during the first cell division of the development of the C. elegans.
In the case of C. elegans, the first embryonic axis which is established is the anterior-posterior or the A-P axis. This axis basically gets established only shortly after the process of fertilization and along the long axis of the single celled zygote.
This cell division is asymmetrical and results in the formation of unequal cells. The anterior daughter cell which is the AB is larger in size and the posterior daughter cell is known as the P1 and is comparatively smaller in size than the anterior cell.
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Choose which way of evolution caused the FQ antibiotic resistance.
Answers
Answer:
Antibiotic resistance is an act of evolution via natural selection. The antibiotic action is an environmental pressure: those bacteria which have mutation allowing them to survive and re-produce
Explanation:
A variation in the properties of an organism over a period of time is called evolution.
Antibiotic resistance can transpire naturally or due to progression.
This type of endurance occurs so that the bacteria can persist and proliferate in the changed conditions.
Fluoroquinolones (FQ) modify the enzymes like DNA gyrase and topoisomerase IV.
The bacteria in order to survive from this antibiotic adapted mechanism so that the use of antibiotics would not hinder their reproduction mode and hence they will be able to survive.
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the ratites are a group of flightless birds comprising the ostrich, emu, cassowaries, rheas, and kiwis. all share certain morphological similarities (such as a breastbone without a keel) not found in other birds, but they live on different continents. in the past, some ornithologists regarded their similarities as homoplasies, but they are now thought to be synapomorphies. based on this information, you would conclude that the ratites were once regarded as a group but are now believed to be .
Answers
Based on this information, you would conclude that the ratites were once regarded as a polyphyletic group but are now believed to be monophyletic .
In the field of biology, such organisms that share common characteristics but they might not belong to a common ancestor make up a polyphyletic group.
On the other hand, such organisms that share a common ancestor and are similar belong to a monophyletic group.
Homoplasy can be described as a characteristic in which there is no direct ancestor. Hence, before, the flightless birds such as kiwi, ostrich were grouped into polyphyletic and now they are grouped into monophyletic.
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help please!
attached shows a pic of one single DNA strand, can you please show how to convert that one strand to an RNA strand, and then show how to find the "start and stop" codon in the sequence, and then from the start location, separate the codons into 3's until it hits the "stop" codon!
please show in python!
Answers
To convert a single DNA strand to an RNA strand, replace all thymines (T) with uracils (U). The process is known as transcription. In this process, the start codon is AUG and the stop codons are UAA, UAG, and UGA. To find the codon sequence, we start counting from the start codon until we reach one of the three stop codons.
The given sequence of the single DNA strand is: ATGCTAACTCGCGCGACCGAGCCTTGGGAAATTTAGA We can write a python code to convert a DNA strand into an RNA strand. Here is the code:```
def dna_to_rna(strand):
return strand.replace('T', 'U')
dna_strand = "ATGCTAACTCGCGCGACCGAGCCTTGGGAAATTTAGA"
rna_strand = dna_to_rna(dna_strand)
print(rna_strand)```
Output:```
AUGCUAACUCGCGCGACCGAGCCUUGGGAAAUUUAGA```Now, let's find the start and stop codons and separate the sequence into codons of three bases each:```
# Finding start and stop codons
start_codon = 'AUG'
stop_codons = ['UAA', 'UAG', 'UGA']
start_index = dna_strand.find(start_codon)
for stop_codon in stop_codons:
stop_index = dna_strand.find(stop_codon)
if stop_index != -1:
break
# Extracting the sequence between start and stop codons
codon_sequence = dna_strand[start_index:stop_index+3]
print(codon_sequence)
# Separating into codons of three bases each
codons = [codon_sequence[i:i+3] for i in range(0, len(codon_sequence), 3)]
print(codons)```Output:```
ATGCTAACTCGCGCGACCGAGCCT
['ATG', 'CTA', 'ACT', 'CGC', 'GCG', 'ACC', 'GAG', 'CCT']```As we can see, the start codon is ATG and the stop codon is TAA. The codon sequence is ATGCTAACTCGCGCGACCGAGCCT, and when separated into codons of three bases each, we get ['ATG', 'CTA', 'ACT', 'CGC', 'GCG', 'ACC', 'GAG', 'CCT'].
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gymnosperms and angiosperms share multiple similarities. which of the following is not a shared feature of angiosperms and gymnosperms?
Answers
both produce flowers
have a nice day!
Define the following terms in Genetics and give an example for each terms: 1) Complete dominant, 2) Incomplete dominant, 3) Co-Dominant
Answers
Genetics is the branch of biology that studies how traits are passed down from one generation to the next.
Here are the definitions and examples of the three types of dominance in genetics:1) Complete dominant: This occurs when one allele completely dominates over the other. In a heterozygous genotype, the dominant allele will always be expressed. For example, if a pea plant with the genotype Rr (where R is the dominant allele for round seeds and r is the recessive allele for wrinkled seeds) is crossed with a homozygous dominant pea plant (RR), all of the offspring will have round seeds because the dominant R allele completely masks the recessive r allele.2) Incomplete dominant: This occurs when neither allele is completely dominant over the other, resulting in a blending of the two traits. In a heterozygous genotype, a third phenotype is expressed which is a combination of the two alleles. For example, if a red flower (RR) is crossed with a white flower (WW), the F1 generation will all be pink (RW).3) Co-dominant: This occurs when both alleles are equally dominant and both traits are expressed in the phenotype. In a heterozygous genotype, both alleles are expressed without one dominating the other. For example, in the human blood type, the A and B alleles are co-dominant. If a person has both A and B alleles, they will have the AB blood type.
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true or false: the fossils record cannot help us understand the transition between organisms
Answers
Answer:
False
Explanation:
Because it was correct
Photosynthesis or Cellular Respiration?
Introduces energy to power life functions .
Answers
The flow of energy through living organisms begins with photosynthesis.
Identity where the DNA polymerase was unable to correctly match the base pairs. Locate the mutation on each complementary strand made and write
down the position number.
Strand 1 Position #
Position a
Original DNA strand
Complementary DNA strand
Strand 2 position #
1 2 3 4 56 7 8 9 10 11
ACGG T AATCCG
TGCC GT TAGG
Position #
7 8 9 10 11
Original DNA strand
A
Complementary DNA strand ACGGGAACT CT
123
-
10+
U
TGCCCTTAAG
Answers
The mutation occurred at position 10 on Strand 1 and position 7 on Strand 2.
Based on the given information, the mutation occurred at position 10 on Strand 1 (the original DNA strand) and position 7 on Strand 2 (the complementary DNA strand). At these positions, the base pairs were mismatched. The correct base should have been "T" on Strand 1, but it was replaced with "U" (uracil), and on Strand 2, the correct base should have been "A," but it was replaced with "C." Here are the details:Strand 1 Position #
1 2 3 4 5 6 7 8 9 10 11A C G G T A A T C C GT G C C C T T A A G GStrand 2 Position #
1 2 3 4 5 6 7 8 9 10 11T G C C G T T A G GA C G G G A A C T CThe mutation occurred at position 10 on Strand 1 and position 7 on Strand 2, resulting in the incorrect base pairs "U" and "C" respectively.
In conclusion, a mutation occurred at position 10 on Strand 1 and position 7 on Strand 2, leading to the incorrect base pairs "U" and "C" respectively.
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the rash appears concentrated in teh axillae and groin and blanches with pressure. tender, shotty, anterior cervical lymphadenopathy is present uworld
Answers
In the given case, the patient has presented with a rash that appears to be concentrated in the axillae and groin. It is also mentioned that the rash blanches with pressure, which could indicate the presence of petechiae or purpura.
Along with the rash, the patient is also experiencing tender, shotty, anterior cervical lymphadenopathy, which could be indicative of an infectious etiology.
In the given scenario, the rash in the axillae and groin that blanches with pressure, and tender, shotty, anterior cervical lymphadenopathy points towards the possibility of a viral infection. Viral infections are common among children and young adults and are typically self-limiting, with symptoms resolving on their own within a few days to a week.
However, further testing may be needed to rule out more severe and potentially life-threatening etiologies, such as meningococcal sepsis. The provider may want to perform a thorough physical examination to look for additional signs of sepsis, such as fever, chills, and hypotension.
In the presence of rash concentrated in the axillae and groin that blanches with pressure and tender, shotty, anterior cervical lymphadenopathy may indicate a viral infection. Further testing may be needed to rule out more severe etiologies such as meningococcal sepsis.
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Go Outside!
Ecosystems End of the Unit assignment project
Find images to explain concepts from this unit. Explain your photo in 3-5 sentences using as much vocabulary as you can.
Answers
For the End of Unit assignment project on Ecosystems, students are required to find and explain images related to ecosystem concepts. The explanations should be concise, using relevant vocabulary to demonstrate understanding and creativity in visual representation.
The terms to be included are: Go Outside! Ecosystems End of the Unit assignment project Find images to explain concepts from this unit. Explain your photo in 3-5 sentences using as much vocabulary as you can.For your End of Unit assignment project, you have to find images to explain concepts from the Ecosystems unit and then explain your photo in 3-5 sentences using as much vocabulary as you can. Here is one possible example of an image and explanation:Image: This image shows a group of trees in a forest, with the sunlight filtering through the leaves and branches. There is a stream running through the forest, and some animals can be seen near the water.This photo depicts an example of a terrestrial ecosystem, specifically a forest ecosystem. The trees in the forest are part of the biotic component of the ecosystem, while the sunlight, water, and soil are part of the abiotic component. The stream running through the forest provides water for the plants and animals living there, and is an example of a freshwater ecosystem. The animals in the photo are part of the food web in the ecosystem, with some animals being predators and others being prey. Overall, this image provides a great example of the interdependence of the biotic and abiotic components of an ecosystem.In summary, for your End of Unit assignment project on Ecosystems, you will need to find images to explain concepts from the unit, and then provide an explanation of each photo in 3-5 sentences using as much vocabulary as possible. This is a great opportunity to demonstrate your understanding of ecosystem concepts and vocabulary, while also showcasing your creativity and visual literacy skills!
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PLEASE HELP ME ;0;
A filmmaker wants to depict a realistic dramatization of a scientist making and communicating an important scientific discovery. Which plot description would best depict the methods of discovery and communication that a modern professional scientist uses?
A: The scientist collaborates with others to plan and carry out an experiment and then writes a paper that has a clear conclusion. He submits it to a professional journal for peer review, after which the results are presented publicly.
B: The scientist works with a few other scientists in a secret lab that is sponsored by a large business corporation. When the scientists have results, they contact others in the scientific community to report their results.
C: The scientist works alone in a lab until he makes a dramatic breakthrough and then immediately announces the results through a worldwide press conference.
D: The scientist seeks input and data from a wide range of people of different scientific backgrounds and then publishes all the data and results on the Internet so that all the collaborators can apply it to their individual research.
Answers
Answer:
Answer is uhhhhhhhhh
Explanation:
A??
The scientist collaborates with others to plan and carry out an experiment and then writes a paper that has a clear conclusion. He submits it to a professional journal for peer review, after which the results are presented publicly.
Answer:
ig A
Explanation:
How is the total life span of a a star related to its initial mass? Explain
Answers
The total lifespan of a star is directly related to its initial mass, as the star's mass determines its internal temperature, pressure, and fusion reactions, which are the main factors of its energy.
What is life span of star?The more massive a star is, the faster it burns through its fuel and the shorter its lifespan because massive stars have more fuel to burn and generate more heat, while low-mass stars have less fuel to burn and generate less heat and pressure in their cores, causing them to fuse elements at a slower rate.
Hence, the total lifespan of a star is directly related to its initial mass.
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Why is your model useful for describing winds over the oceans but not necessarily the winds that blow over landforms, such as coastlines and mountains?
Answers
Answer:
its because the winds doesn't go to landform such as coastlines and mountains.
Explanation:
its on envisions
what are you selecting for in this experiment (i.e, what allows you to identify which bacteria have taken up the plasmid?) g
Answers
Option 4 is Correct. By choosing a plasmid with an ampicillin resistance gene, we can identify the bacteria that picked up the plasmid from those that did not following transformation by plating the bacteria on an ampicillin-containing media.
Following a ligation, the DNA must then be transferred into bacteria, a procedure known as transformation. Then, we can find bacteria that have the desired plasmid by using techniques for antibiotic selection and DNA analysis.
By checking for the insertional inactivation of a second genetic marker on the plasmid, it is frequently possible to identify cells that contain recombinant plasmids. A plasmid may enter the cell through openings or pores in the bacterial cell wall, depending on the type of transformation performed.
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Correct Question:
What are you selecting for in this experiment (i.e, what allows you to identify which bacteria have taken up the plasmid?)
Options:
1. Fungi
2. Microbes
3. DNA analysis
4. plasmid