Answer:
C
Explanation:
The oldest rock layer is most likely to be the layer that is The most rich in fossils.
What are types of rock layers ?
A rock layer is defined as the formation of the aggregation of different mineral constituents in the earth’s crust and the classification of rocks layer is based on different factors such as Geological classification, Physical classification, Chemical classification.
Geological classification of rock layer include Sedimentary rock formed by the sediments deposition by the weathering of pre-existing rocks and the sediments can be spread by different agents like water, wind, frost, gravity, etc. Examples are Sandstone, limestone, lignite, etc.
Igneous rocks formed by solidification of magma below the earth’s surface, unable to descend, these magma cools down and solidifies into igneous rocks.
Metamorphic rocks formed by the metamorphism process where the f the pre-existing rocks is changed by the influence of heat and pressure, for example Slate, Gneiss, Schist, marble, soapstone etc.
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summarize chargaff’s rule in a sentence or two
Answer:
adenine is equal to thymine and cytosine is equal to guanine.
Explanation:
ex: if the percentage of adenine is 30 then it’s the same percentage for thymine. ( a=t , c=g )
The diagram below represents a microscopic structure observed during mitosis.
X
А
The region indicated by letter A is known as
1.
an enzyme
2.
a gamete
3.
a gene
an amino acid
Answer:
Gene
Explanation:
It should be gene, because it is pointing to a segment on the chromosome. Also it cannot be any of the other options, so it has to be a gene.
What is a mutagen?
a environmental factors that cause mutations
b inherited mutations
C factor that immediately kills the organism
d cancer-causing agent
help please !
1.) the closer a biome is to the equator , the more we would expect it to be
a. warmer & wetter
b. cooler & wetter
c. warmer & drier
d. cooler & drier
2.) the tundra biome & the desert biome are both very dry , but
a. the desert is always hot
b. the desert has a wider temperature range
c. the tundra had a wider temperature range
d. they are also similar in temperature
Answer:
1) A 2) C?
Explanation:
1) Most tropical places lay around the equator 2) Tundra's can get cool
Please help!!!!!!!! Will mark brianlist ASAP
I'm going with C. It may be wrong but I think it's C.
Answer:
the answer is D.........
Where are chromosomes (and therefore DNA) found within the cell?
Answer:nucleus
Explanation: In eukaryotes, however, genetic material is housed in the nucleus and tightly packaged into linear chromosomes. Chromosomes are made up of a DNA-protein complex called chromatin that is organized into subunits called nucleosomes.
Write how embryology is used as evidence for evolution.
Embryology, the study of the development of the anatomy of an organism to its adult form, provides evidence for evolution as embryo formation in widely-divergent groups of organisms tends to be conserved. ... Another form of evidence of evolution is the convergence of form in organisms that share similar environments.
What properties of the moon can you observe
Answer:
It’s smaller then the sun
Explanation:
5. What was the effect of the English policy that gave British officials the right to search without cause, warehouses and ships belonging to colorist
Parliament passed additional policies to protect the colonists' property from seizure.
Parlament enforced the policies as a method to provide for defense of the colonists.
Colorists supported the policy as necessary to discourage taxes on goods.
Colorists protested the policy as an abuse of their individual rights.
Answer:
c
Explanation:
c
Colorists supported the policy as necessary to discourage taxes on goods was the effect of the English policy that gave British officials the right to search without cause, warehouses and ships belonging to colorist.
What are the roles of colorists?A colorist is a film industry professional who creates a visual color story for a production. In the post-production stage of the film making process, a colorist can use color editing software to add the desired hues, tones and color palates to an edited film.
They also work closely with editors to ensure they use similar software. Colorists have specific software package requirements because most colorists use Adobe products, specifically After Effects and Premiere Pro.
A Colorist is responsible for designing the color scheme of a film in order to achieve a specific mood or visual style. Colorists work closely with a film's director and director of photography to determine what color palette will best serve the story.
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consider the cell labeled x in figure 10-9 containing 4 chromosomes. which of the four cells below it represents a healthy gamete that could be produced from this cell
Answer:
A) A
Explanation:
Give reasons why asexual reproduction produces more offspring in a short period of time.
Differentiate asexual from sexual reproduction.
What is the importance of reproduction among living organisms?
There's no science genre so I picked Biology.
Please help me ☹️☹️☹️
At what stage in meiosis does a cell become haploid gametes?
Telophase II
Explanation:
i hope it helps you
The HeLa cancer call genome is vastly different from Henrietta’s normal genome. A gene transfer from the human papillomavirus 18 virus (HPV18) to human cervical cells created the original HeLa strain of cancer cells.
a) Describe the type of evidence scientists would need to justify this claim.
b) From this discovery, an HPV vaccination was developed. Without HeLa cells, this would not have been possible. Yet, these cells were taken for research without Mrs. Lack’s knowledge. Evaluate the pros and cons of designating biopsy cells as "free cells," cells that can be used without required patient consent.
Answer:
a. Sequencing the genome and transcriptome of these cells
b. Pros: these cells can be very useful in research (as in Henrieta case)
Contras: 1. patient's family may have inherited the same genetic defect from their common ancestors, thereby this information might be used for malicious people
2. Ethical issues
Explanation:
By using genome sequencing technologies it is possible to determine the nucleotide sequence of the genome (DNA) and their transcriptomic products (i.e., RNAs, especially mRNAs) obtained from a particular cell type. Therefore, these technologies can be used to compare the genome of cancer cells and Henrietta’s normal genome.
HeLa cells have been very useful in pharmaceutical research. These cells have been used in cancer research, in the development of vaccines (e.g., polio vaccine and HPV vaccine), Parkinson's Disease, etc. Moreover, the use of cells without required patient consent may affect the patient’s family by exhibiting information about the genetic conditions of multiple generations of this family, which might be considered unethical and lead to problems associated with the malicious use of this information.
HeLa Cell
It is the first human immortal cell line.
a). The scientist took a tissue sample from a patient named Henrietta Lacks. She was a cervical cancer patient.
Now when the scientist observed the cell sample in the laboratory, they saw that cell was growing indefinitely, i.e. 'immortal'.
So, they named it the HeLa Cell.
Later, the scientist found many copies of HPV-18 (Human Pappiloma Virus-18) in these HeLa cells which is a strain of HPV.
These strains has caused cervical cancer in Henrietta Lacks.
b). The Pros
It could not have claimed if any medical negligence would have occurred.We can overcome the false perception of the patient.The research could be progressed without any interruption from the patient.The Cons
If the consent of the patient was not taken then there would have been legal issues as well as ethical issues.Also, the law orders to stop the research without patient's consent.Without the right patent, the commercialization of the cells would begin.Learn More :
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Complete the following sentence. Remember to spell correctly.
The study of the buying behavior of individual households and businesses is called
The study of buying behavior of individual households and businesses is called microeconomics.
Exchange cast fossils with another group. Make inferences about the items used to make their cost fossils, and explain your reasoning.
Answer:
(I’m gonna edit this just wait 2 hours and I’ll be done)
Explanation:
Explain how sleep, diet and weight affects a dog’s weight.
Answer:
Because when a dog is sleeping it helps the brain function right. diet effects a dog to lose weight.
Explanation:
your welcome :)
What is an observation? What do you use to make an observation?
Answer: we can make observations directly by seeing, feeling, hearing, and smelling, but we can also extend and refine our basic senses with tools: thermometers, microscopes, telescopes, radar, radiation sensors, X-ray crystallography, mass spectroscopy, etc. And these tools do a better job of observing than we can!
Why we have to study the karyotype?
PLS SOMEONE HELP ME
A man and woman are deciding whether to have a child. The genotype of
the man includes a recessive allele for an inherited disease. The genotype of the woman
does not include this allele. Both parents have a normal phenotype. Could the child
inherit the disease? Explain your reasoning
Answer:
No, the child cannot inherit the disease.
Explanation:
The problem tells you that the man has a recessive allele for an inherited disease, but he has a normal phenotype. This means that the disease is recessive and in order for an individual to have the disease, they must have two recessive copies of the allele. The problem also tells you that the mother has a genotype that does not include this allele. With this information, you can do a punnet cross of BB (mother) x Bb (carrier father), and end up with the following possible genotypes: BB, Bb, BB, Bb. Therefore the child will not have the disease, but there is a 50% chance that the child will be a carrier for the disease.
No, the child cannot inherit the disease.
As the genotype of the man includes a recessive allele for an inherited disease.
What is dominant and recessive allele?Dominant refers to the relationship between two types of a gene. Individuals receive two types of each gene, known as alleles, from each parent.
If the alleles of a gene are different, one allele will be expressed, it is the dominant gene. The effect of the other allele, called recessive, is masked.
Thus, No, the child cannot inherit the disease.
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Which of the following is a type of asexual reproduction?
1. Sexual Reproduction
2. Zygote formation
3. Budding
Answer:
Budding
Explanation:
Budding is a type of asexual reproduction where an organism undergo repeated mitosis/ cell division, and create genetically identical offspring.
Example: A hydra developing an outgrowth or bud
How can these atoms be recycled into other compounds ? Study island
Answer:
The carbon, hydrogen, and oxygen atoms can rearrange in different ways to make new types of compounds. During cellular respiration, cells convert oxygen and glucose into carbon dioxide, water, and energy.
Explanation:
What is the complementary DNA sequence to the DNA sequence GTA TAC ATG
possible answers:
GTA TAC ATG
GAT ATC TAG
CTA TAG ATC
CAT ATG TAC
Answer:
CAT ATG TAC
Explanation:
Adenine (A) pairs with Thymine (T)
Cytosine (C) pairs with Guanine (G)
And vice-versa
What happens when a penny is dropped from a height of 20 meters?
O The force of gravity causes it to accelerate.
O It falls at a constant velocity.
O Its mass doubles for every second it falls.
O It changes direction every 9.8 meters.
Answer:
#1.The force of gravity causes it to accelerate
Explanation:
As acceleration is the rate of change in velocity of an object with respect to time. ... The acceleration of penny is due to the force of gravity. Thus, we can conclude that the force of gravity causes it to accelerate.
How can you recognize if lactic acid formation is occurring or alcohol fermentation is occurring ?
Answer:
by smelling
Explanation:
lactic acid has a sour sharp briny scent, while alcohol.. well we all know how that smells
do it for A. please
Manta rays are a type of large fish that are often surrounded by small baitfish. The manta rays are
unaffected but the small baitfish benefit by being protected just by being near the larger fish. What type
of symbiotic relationship does this relationship describe?
I need help on please
Answer:
D.
Explanation:
Sugar carbs (or simple carbs) give you quick-acting, short-term energy and can be found in fruits, white bread, cereal, juice and soft drinks. Starch Carbs (or complex carbs) give you slow-releasing, long-term energy and can be found in whole grains, vegetables and legumes (beans and peas).
which part of the nucleotide contains the coded information for an organism's
traits?
DNA, the Code of Life
DNA is a complex, long-chained molecule that encodes the genetic characteristics of a living organism.
Bases are the part of DNA that stores information and gives DNA the ability to encode phenotype, a person's visible traits. Adenine and guanine are purine bases. These are structures composed of a 5-sided and 6-sided ring.
Please can someone help me please!!!!
Answer:
i doont know
Explanation:
3.
What is the relationship between the masses of the objects and the gravitational force
between them?
I foron hotuen the two obiects in this
Answer:
They are directly proportional
Explanation:
The relationship between the masses of the objects and the gravitational force between them is such that both quantities are directly proportional to one another.
This is based on the Newton's law of universal gravitation.
The law states that "the gravitational force of attraction between two masses is directly proportional to their products and inversely proportional to the square of the distances between them".
So, the gravitational force is directly proportional to the masses of the two objects.