Answers
The law of superposition states that fossils found in the uppermost layers, i.e., layer A, are more recent than those found in the other layers, so option A is correct for the youngest fossil.
What is the fossil's importance?When the environment changes due to climatic changes, animals or plants remain under the rocks, leaving their imprints or hard parts of their bodies, which are later studied to learn about ancestors. The fossils that are present in the lowermost rock layers are the oldest, while the uppermost layer is the youngest as it is newly formed.
As a result, the law of superposition states that fossils found in the uppermost layers, i.e., layer A, are more recent than those found in the other layers, so option A is correct for the youngest fossil.
Learn more about the fossil's importance here.
https://brainly.com/question/19507461
#SPJ1
Related Questions
what usually accompanies a cold spell in minnesota?
Answers
. Jack and Jill are thinking about starting a family and they come to you with a question about a rare recessive genetic disease called Alpers Syndrome. Alpers causes progressive neurodegeneration in infants and children and is usually lethal within the first 10 years of life. Jack's grandfather had a brother die of Alpers Syndrome, while Jill has no family history of the disease. If the frequency of heterozygotes for Alpers is 1 in 2000 in the general population, what is the chance that Jack and Jill will have a child with Alpers Syndrome? (Be sure to completely reduce your answer.)
Answers
Answer:
The chance of having a Child who is a Heterozygote is 50% , The chance of having a child that will completely come down with Alpers syndrome is 0%
Explanation:
Jack has a history of Alpers in his family
Jill has no history
lets assume Jack is a carrier : Ab ( because that is how he could have survived the first 10 lethal years )
Jill : AA
Therefore the probability/chance of Jack and Jill having a child with Alpers ( carrier ) syndrome will be 50 % as shown below
AA * Ab = AA , Ab, AA, Ab
The child produced by Jack and Jill will only be a carrier of the syndrome and not completely affected by the syndrome
Using the information in the reading. Please complete the second (new) strand of DNA using the complementary base pairing rules. The first example has been completed for you.
Answers
When a DNA replicates, adenine pairs with thymine and guanine pairs with cytosine.
Based on the sequence of the template strand, an enzyme known as DNA polymerase adds new nucleotides to the expanding strand during DNA replication. The complementary base pairing rules dictate the order in which the nucleotides are added.
The double helix two strands split apart during DNA replication, with each strand acting as a model for the creation of a new complementary strand. Adenine (A), thymine (T), cytosine (C), and guanine (G) are the bases found in DNA. The complementary base pairing rules state that A will always pair with T and C will always pair with G.
b. Original strand- A G T C T A C G
Complementary strand- T C A G A T G C
c. Original strand- G C G T A T G A
Complementary strand- C G C A T A C T
Learn more about DNA polymerase at:
brainly.com/question/14315652
#SPJ4
HELP ME ASAP 18. Why do animals in cold environments need a lot of lipids in their cells? ok
Answers
Answer:
As temperature increases, so does phospholipid bilayer fluidity. At lower temperatures, phospholipids in the bilayer do not have as much kinetic energy and they cluster together more closely, increasing intermolecular interactions and decreasing membrane fluidity.
Explanation:
When temperature decreases, the composition of membrane lipids (phospholipid fatty acids) is expected to become more unsaturated to be able to maintain homeoviscosity.
What do B cells do?
O make your mucous membranes watery
O produce antibodies
O cause inflammation
o eat dead cells
Answers
An increase in the partial pressure of oxygen causes pulmonary arterioles to ________, thereby altering ________ to make gas exchange more efficient. constrict; ventilation dilate; ventilation constrict; perfusion dilate; perfusion
Answers
Answer:
1- dilate
2- perfusion
Explanation
when blood pressure increase the arterioles dilate (become smaller) so that cells can absorb the oxygen from the blood easily. perfusion will be altered or slowed down. (The perfusion is the passage of fluid through the circulatory system. )
1. Get a flashlight and switch it on.
What do you observe about the
beam it ernits?
Q1. What do
2. Examine the part where the bulb is positioned.
you notice?
Answers
Answer:
Explanation:
1. The beam emitted travels along a straight path and it is divergent in nature. It has its radius increasing progressively as the distance away from the source of light increases.
2. It would be observed that the region where the bulb is positioned has denser light beam. This gets fainter towards the edges of the beam and away from the bulb.
Light emitted travels in a straight path and change occurs its radius.
When a flashlight is switch on we observe two things. First that the beam emitted travels in a straight path and second, that its radius increases when the distance between flashlight and object on which light is fall increases.
The part where the bulb is positioned it would be observed that the region where the bulb is positioned has denser light beam at whereas away from the positioned has lighter beam so we can conclude that light emitted travels in a straight path or line.
Learn more: https://brainly.com/question/21835782
Which component of the blood is part of the body’s immune system?
Answers
Answer:
White Blood Cells
Explanation:
RNA polymerase binds to a specific DNA nucleotide sequence during transcription.
What is the DNA sequence called where RNA polymerase binds, and initiates transcription?
Answers
The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.
2. A cell membrane is made up of a(n)
Answers
Answer:
the cell membrane is made up of lipids :)
Where near your home do you think the highest level of photosynthesis is happening? Think about
where in your area photosynthetic organisms are growing.
Answers
Answer:
Depends where the individual lives.
If the person lives in a rural area near a forest, photosynthesis would most likely occur in the forest.
If the person lives in an urban area in a city, a park or garden would have the highest level of photosynthesis occurring.
Answer:
There is a wonderful big park near my house with a lot of trees and plants, and I believe there is where the most photosynthesis occurs.
Explanation:
which two statements correctly relate RNA amino acids , and proteins
Answers
The two correct statements that relate RNA, amino acids, and proteins are C and D.
RNA, Amino acids, and ProteinsRNA is used to build the amino acid sequence: RNA molecules, specifically messenger RNA (mRNA), serve as templates for protein synthesis. During a process called translation, the sequence of nucleotides in mRNA is read by ribosomes, and the corresponding amino acids are assembled in a specific order to form a protein.
Long amino acid sequences fold in a specific way to form proteins: Proteins are composed of long chains of amino acids. After the amino acids are synthesized and linked together, the resulting chain folds into a three-dimensional structure, which is critical for the protein's function. This folding process is driven by various interactions between the amino acid residues in the chain, allowing the protein to adopt its specific shape and perform its specific function.
More on gene expression can be found here: https://brainly.com/question/10572806
#SPJ1
I NEED THIS ANSWER Transcribe and Translate this DNA sequence:
TAC GAG TTG CCG TAT ATT GCG CTC GAC TGC
Answers
Answer:
Given the sequence of DNA bases sequence:
DNA TAC GAG TTG CCG TAT ATT GCG CTC GAC TGCTranscription into mRNA and translation would be:
mRNA AUG CUC AAC GGC AUA UAACGC GAG CUG ACG Amino acids Met (Start)-Leu-Asn-Gly-Ile-Stop-Arg-Glu-Leu-ThrExplanation:
Genetic information is found in DNA, and this information depends on a sequence of bases —adenine, thymine, cytosine and guanine— in the DNA molecule.
Transcription consists of creating a strand of mRNA, from the sequence of bases in a DNA strand, which it assumes:
The sequence of RNA is complementary to the DNA sequence that forms it, following the complementarity of bases. In RNA there is no base thymine, which is replaced by uracil.The sequence of mRNA is organized into triplets or codons, each of which encodes for the synthesis of an amino acid (translation), indicating both the start of a polypeptide chain and the stop of protein synthesis. Knowing this information, it can be stated that, following a sequence of DNA bases, the resulting transcription and translation would be:
DNA TAC GAG TTG CCG TAT ATT GCG CTC GAC TGC Transcription AUG CUC AAC GGC AUA UAACGC GAG CUG ACG Translation Met (Start)-Leu-Asn-Gly-Ile-Stop-Arg-Glu-Leu-ThrResulting amino acids and indications in protein synthesis Methionine (inicio), Leucine, Asparagine, Glycine, Isoleucine —Stop— Arginine, Glutamine, Leucine and Tyrosine.
What role do animals play in
photosynthesis?
a.release oxygen
b.release carbon dioxide
Answers
Answer:
Release carbon dioxide
Explanation:
Animals breathe in oxygen and release carbon dioxide
Answer:
Your answer should be B
Animals release carbon dioxide
Explanation:
19. What does IDLH stand for?
A. Immediately Damaging to Low Health
b. Ideal Dose for Life and Health
c. Immediately Dangerous to Life and Health
d. Inadequate Decontamination Looks Hideous
Answers
H/ health
Cellular Death
a. congenital
b. malignant
c. ischemic
d. degeneration
e. encapsulated
Answers
Answer:
Ischemic
Explanation:
Ischemic cellular death is commonly known as ongosis.Normally
our body deletes the cells which are of no use or expired their time periodThe process is called apotosisWhat happens to most of the precipitation that
falls on land?
a. It evaporates.
c. It seeps into the ground.
b. It becomes runoff, d. It becomes glacial ice.
Answers
Only about a third of the precipitation that falls over land runs off into streams and rivers and is returned to the oceans. The other two-thirds is evaporated, transpired, or soaks (infiltrates) into groundwater. Surface runoff can also be diverted by humans for their own uses.
Rate BRAINLIEST! please
HERE’S A BETTER PIC! The question is assume the amount of energy produced by the primary producers was 200 kcal/m2/year? Estimate the amount of energy transferred as you go up the pyramid
Answers
The energy recieved at the top of the pyramid is given as 0.02kcal/m2/year.
What is the energy transferred?We have to know that as we go up the pyramid that the energy that is transferred from one organism to another does decrease in that order. Looking at the image we have, we can see that the organism at the top would only get 0.01% of the energy that the primary producers has obtained from the sun.
The amount of energy that the organism at the top of the pyramid would get is obtained as;
0.01/100 * 200 kcal/m2/year
= 0.02kcal/m2/year
Learn more about energy pyramid:https://brainly.com/question/2515928
#SPJ1
What do scientist think was the first step in the origin of life on earth?
A) Protonionts formed stromatolites near the oceans.
B) Prokaryotes formed when eukaryotes engulfed other eukaryotes.
C) Cyanobacteria caused the great oxidation event.
D) Organic molecules formed in oceans as Earth began to cool.
Answers
Scientist think the first step in the origin of life on earth is Organic molecules formed in oceans as Earth began to cool. Option D
What more should you know about scientist theory of the origin of life on earth?There are a handful of theories about how life may have first come to be on our planet.
Scientists hypothesize that the first step toward the origin of life on Earth was the formation of simple organic molecules such as amino acids, nucleotdes, and sugars.
While the exact origin of life on Earth is still a mystery, scientists are always working to learn mre about how life may have startd.
Find more exercises on origin of life;
https://brainly.com/question/30243113
#SPJ1
The scientist think the first step in the origin of life on earth is D) Organic molecules formed in oceans as Earth began to cool.
What was the origin of life on earth?It was recorded that the Microbes, which is the earliest known life forms, left traces of their existence in rocks that were 3.7 billion years old.
However different scientist have their own discoveries, Oparin discussed the idea of a chemical origin for life whereby the biochemical beginning of life as suggested by Oparin and Haldane cannot have taken place on the planet as it is today.
Learn more about earth at:
https://brainly.com/question/25624188
#SPJ1
What was the climate like prior to the extinction ?
Answers
Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
Identify the structure labeled B
A. Nucleotide
B. Base
C. Phosphate
D. Sugar
Answers
What happens after metaphase?
O A. Telophase
O B. Prophase
O C. Go phase
O D. Anaphase
Answers
it's D. anaphase
hope this helps
The correct sequence of Mitosis are Interphase – Prophase – Metaphase – Anaphase – Telophase. Therefore, Anaphase happens after metaphase. So, the correct option is D.
What is Mitosis?Chromosomes that have been duplicated are split into 2 new nuclei during the cell cycle phase known as mitosis. Mitosis, the process of cell division, creates genetically identical cells with a constant number of chromosomes. Hence, equational division is another name for mitosis.
A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase. The cell's contents are often evenly separated into two daughter cells with identical genomes after mitosis.
Interphase, Prophase, Metaphase, Anaphase, and Telophase are the proper phases of mitosis. Anaphase therefore follows metaphase.
Therefore, the correct option is D.
Learn more about Mitosis, here:
https://brainly.com/question/29776367
#SPJ7
The table below shows three enzymes found in the human body and the pH of their locations.
Enzyme Body part pH
Ptyalin Mouth 6.5 - 7
Pepsin Stomach 1.0 - 3.0
Trypsin Small intestine 7.5 - 9.0
How will the activity of pepsin change after it moves with the food from the stomach to the small intestine?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
It will increase as the pH increases.
(Choice B)
B
It will slow down because the environment is too basic.
(Choice C)
C
It will decrease because the pH of the small intestine is similar to that of the stomach.
(Choice D)
D
It will adapt to the new environment and continue to work at the same rate.
Answers
B. It will slow down because the environment is too basic.
As the food move from the stomach to the small intestine the activity of pepsin will slow down because the environment is too basic.
Pepsin- Pepsin is a stomach digestive enzyme used to break down proteins in food that has been consumed. Pepsin is produced by the main cells of the stomach as pepsinogen, an inactive zymogen. The stomach's lining's parietal cells release hydrochloric acid, which reduces the pH of a stomach.
Parietal cell- The biggest cells in such glands are called parietal cells, and they are found inside the fundus & body of the stomach. They develop from immature progenitor cells inside the gland isthmus, travel upward into the pit area, and finally migrate downward toward the gland base.
To know more about the Pepsin, click on the below link,
https://brainly.com/question/27548384
#SPJ1
The breading of red and white snapdragons to make pink illustrates what genetic concepts
Answers
Answer:
Blending is the mixing of two colors, but in this example red and white colors are appearing independently at cellular level. Thus, no blending occurs. Also, red and white color reappears in F { 2 }-generation.
This phenomenon is known as incomplete dominance.
i need help with this
Answers
Decomposing plant matter will release large amounts of carbon dioxide if per-ma-frost melts.
Decomposition might appear on this region if per-ma-frost melts. The occasion might permit the release of carbon dioxide from natural remember which might fasten heating and melting.
There are researches that this technique might quickly have an effect on 60% of the Northern Hemisphere's per-ma-frost via way of means of 2200 and might launch nearly hundred billion lots of carbon dioxide.
To learn more about per-ma-frost, click here:
https://brainly.com/question/16044758
#SPJ1
If we wanted to specifically restore a portion of a river to make it a better spawning habitat for salmon, what do managers need to consider on:
Small/short scales of space/time?
Large/long scales of space/time?
Answers
To specifically restore a portion of a river to make it a better spawning habitat for salmon, the managers need to consider on Small/short scales of space/time:
River morphology.Water quality.Benthic habitat.Flow regimeconsideration on Large/long scales of space/time:
Land use practices.Climate change.Long-term monitoring.CollaborationOn small/short scales of space and time, managers need to consider the following factors when restoring a portion of a river to make it a better spawning habitat for salmon:River morphology: The shape, structure, and flow of the river can impact the suitability of the habitat for salmon. Managers need to assess the current state of the river and determine if changes are necessary to improve habitat quality.Water quality: Salmon need clean, cool, and well-oxygenated water to thrive. Managers need to monitor and address any water quality issues that may impact the health of salmon, such as excessive nutrients, pollutants, or changes in temperature.Benthic habitat: The type and quality of the substrate (i.e., river bottom) in the river can impact the ability of salmon to lay their eggs. Managers need to assess the current benthic habitat and determine if changes are necessary to improve it.Flow regime: The timing, frequency, and magnitude of river flows can impact the ability of salmon to access suitable spawning habitats. Managers need to assess the current flow regime and determine if changes are necessary to improve habitat quality.On large/long scales of space and time, managers need to consider the following additional factors:
Land use practices: Land use practices in the watershed can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the impact of activities such as agriculture, urbanization, and resource extraction on the river and determine if changes are necessary to improve habitat quality.Climate change: Climate change can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the potential impacts of climate change and plan accordingly to ensure that the habitat remains suitable for salmon in the future.Long-term monitoring: Managers need to implement long-term monitoring programs to assess the effectiveness of the restoration efforts and make any necessary adjustments over time.Collaboration: Restoring a portion of a river to make it a better spawning habitat for salmon can be a complex and expensive process that requires collaboration among multiple stakeholders, including government agencies, private organizations, and local communities. Managers need to build partnerships and develop a shared vision for the future of the river to ensure that the restoration is successful.
Learn more about habitat on
https://brainly.com/question/17861543
#SPJ1
How does adenosine triphosphate (ATP) become adenosine diphosphate (ADP)?
ATP stores energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is broken.
ATP stores energy as a phosphate bond is broken.
Answers
The correct answer is ATP releases energy as a phosphate bond is broken.
ATP (adenosine triphosphate) is converted into ADP (adenosine diphosphate) when a phosphate group is removed from ATP, resulting in the release of energy. This process is known as hydrolysis, where water molecules are used to break the bond between the terminal phosphate group and the rest of the molecule.
During cellular metabolism, ATP serves as the primary energy currency of the cell. When energy is required for various cellular processes, the phosphate bond in ATP is broken by an enzyme called ATPase. This enzymatic hydrolysis reaction cleaves off one of the phosphate groups, resulting in the formation of ADP and an inorganic phosphate molecule (Pi). The released phosphate group is then available to be used in other cellular reactions.
The conversion of ATP to ADP is an essential part of energy metabolism in cells. The energy released during this process is utilized to drive various cellular activities, such as muscle contraction, active transport of molecules across cell membranes, and synthesis of macromolecules. Once ATP is converted to ADP, it can be further hydrolyzed to AMP (adenosine monophosphate) if more energy is needed. Ultimately, the energy stored in ATP is released when the phosphate bond is broken, allowing cells to perform their vital functions.
For more such answers on ATP
https://brainly.com/question/897553
#SPJ8
What do animals do with the carbon dioxide produced in their cells during cellular respiration?
Answers
Answer:
Explanation:
During cellular respiration animal cells combine oxygen with food molecules to release energy to live and function. Remember that cellular respiration produces carbon dioxide as a waste product. ... They release the carbon dioxide into the air as a waste product. Plants help animals and animals help plants.
The carbon dioxide produced in animal cells during cellular respiration is considered a waste and must be disposed of accordingly.
The carbon dioxide generated from cellular respiration in animal cells must be disposed off the cell because their build-up can be toxic to the cell.
Being a gas, carbon dioxide is got rid of by diffusing out of the cell while the oxygen required for cellular respiration usually diffuses in.
When carbon dioxide is allowed to accumulate in the cell, it might affect other processes such as the partial pressure of oxygen in the cell, and so on.
More on cellular carbon dioxide can be found here: https://brainly.com/question/8922762?referrer=searchResults
Grace is a pregnant woman in an area of Africa that is experienced many years of drought civil unrest and poverty Grace is underweight and has been unable to eat enough nutrients during her pregnancy based on your knowledge of Grace and her living condition which of the following situations is most likely to occur
Answers
The most likely situation to occur would be: Grace may be at an increased risk of complications during pregnancy and childbirth.
What is the pregnancy?Given that Grace is thin and has happened unable to eat enough vitamins during her gestation, her overall strength and happiness may be negotiated.
Malnutrition can bring about a range of adverse belongings on two together the mom and the cultivating fetus.The lack of approach to an enough and equalized diet, combined accompanying the disputing living environments in an area overwhelmed by dryness, civic unrest, and want, can increase the possibility of complexities during pregnancy.
Learn more about pregnancy from
https://brainly.com/question/862356
#SPJ1
YA'LL ARE SMART! PLEASE HELP!
