Identify the example below that is NOT considered an evidence of evolution.
Group of answer choices
A. Biochemistry
B. Metabolism
C. Comparative embryology
D. Homologous structures
E. Fossils
There are several evidences of evolution, some that we have greater knowledge and others we don't, but in this question all alternatives contain evidence of evolution, to understand better we need to know that.......
Fossil EvidenceFossils are remains or traces of preserved organisms that are more than 10,000 years old and provide important information about life in past times and what the environment was like at a given time.
BonesTeeth markFootprints and petrified feces are examples of fossils. Comparative embryology and Homologous structuresSome species have anatomical characteristics that are very similar to those present in individuals of other species. Although these structures often do not have the same function, it is possible to infer that, at some point, these species had a common ancestor.
Biochemistry and MetabolismThe analysis of cells and the biochemistry of organisms have revealed that there is much similarity between all living beings. This fact suggests that, at some point in evolutionary history, we had a common ancestor.
It can be seen, therefore, that the theory of evolution is supported by several pillars and every day it is more evident that living beings undergo changes over time.
With this information, we conclude that all alternatives are evidence of evolution.
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To document the occurrences of a particular trait or possible disorder across different generations of your family, which genetic tool would you use?.
To document the occurrences of a particular trait or possible disorder across different generations of a family, pedigree analysis is the genetic tool that would be used.
Pedigree analysis is a graphical representation of a family's genetic history, showing the inheritance patterns of traits or disorders.
In pedigree analysis, information about the trait or disorder is gathered by studying the family members, their relationships, and their phenotypic characteristics.
The pedigree chart, also known as a family tree, displays the relationships between family members and indicates the presence or absence of the trait or disorder in each individual.
By examining the pattern of inheritance within a family, pedigree analysis can provide valuable insights into the genetic basis of a trait or disorder.
It can help determine whether the trait is inherited in a dominant, recessive, or X-linked manner, and can also indicate the presence of genetic carriers or individuals at risk of developing the disorder.
Pedigree analysis is an essential tool in genetic counseling, medical research, and understanding the inheritance patterns of various genetic conditions.
It allows for the documentation and visualization of familial patterns, aiding in the identification of genetic risk factors and guiding informed decision-making regarding reproductive choices and treatment options.
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Mendel's monohybrid cross of tall parents with the genotype Tt resulted in a tall to short ratio of
a)1:1.
b)1:2.
c)2:1.
d)3:1.
e)1:3.
The tall-to-short ratio produced by Mendel's monohybrid cross of tall parents with the gene Tt was 3: 1. Therefore, option d is correct.
A cross between two kinds of the same species of plant that only considers the transfer of one trait is referred to as a monohybrid cross. A cross between a tall pea plant and a dwarf pea plant is an example of a monohybrid cross because here only one character called height is considered.
Given the genotype of the tall plant is Tt. It is a heterozygous type for the tall plant. Then the cross between Tt and Tt is given in the Punnett square.
From Punnett square, we can tell there is a probability of about 3 tall plants and 1 dwarf plant from the given cross. Therefore, the required ratio is written as 3:1.
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Krypton-86 has a total binding energy of 752 mev. Hafnium-180 has a total binding energy of 1440 mev. Which nucleus is more stable?.
Krypton-86 has a total binding energy of 752 MeV, while Hafnium-180 has a total binding energy of 1440 MeV. Comparing these values, we can see that Hafnium-180 has a significantly higher total binding energy than Krypton-86. Hafnium-180 is more stable than Krypton-86.
Therefore, Hafnium-180 is more stable than Krypton-86. The higher total binding energy indicates that the nucleons (protons and neutrons) in Hafnium-180 are more strongly bound together, making it more difficult to disrupt the nucleus.
Stability in nuclei is related to the balance between the attractive nuclear forces (strong force) and the repulsive electromagnetic forces between protons. Nuclei with higher total Hafnium-180 is more stable than Krypton-86.
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If you could be any invertebrate animal in the world what would it be? And then give several reason why?
Invertebrates hence contribute to soil quality creation and maintenance in addition to aiding in the pollination of food crops. In agricultural contexts, as well as in gardens and allotments, this is crucial for growing food crops.
What function do invertebrate animals serve?The vast majority of species on Earth are invertebrates, which have an enormous variety and many of them have not yet been fully characterized. In addition to providing several environmental services, such as pollination, decomposition, and nutrient release, they are essential parts of food webs.
If invertebrates vanished, what would happen?Additionally, insects help recirculate nutrients into the soil by decomposing plant material. The majority of bird and amphibian species would become extinct in two months without any insects.
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what are the three most common shapes of viruses?
Answer:
helical, polyhedral (which includes icosahedral and prolate shapes), and complex shapes.
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Height in humans is a polygenic trait with a distribution similar to the graph shown Which is true concerning the distribution of
height in human populations? (1 point)
O Most individuals will be below average height
O Most individuals will be at the extremes of height
O Most individuals will be above average height
O Most individuals will be of average height
Answer:
The answer is D
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Explanation:
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what is the correct order of protein production?
1) ribosome
2) endoplasmic reticulum
3) secretory vesicles
4) golgy apparatus
a) 1,2,3,4
b) 2,4,3,1
c) 1,2,4,3
d) 3,2,4,1
Answer:
The correct order of protein production is:
c) 1,2,4,3
Ribosome: Protein synthesis begins in the ribosomes, which are located either in the cytoplasm or attached to the endoplasmic reticulum.
Endoplasmic Reticulum: After the initial stages of protein synthesis in the ribosomes, the newly synthesized protein is transported into the endoplasmic reticulum (ER) for further processing and modification.
Golgi Apparatus: The proteins synthesized in the ER undergo further processing and modifications in the Golgi apparatus. This includes sorting, packaging, and modifying the proteins to their final functional forms.
Secretory Vesicles: Once the proteins are properly processed and modified in the Golgi apparatus, they are packaged into secretory vesicles. These vesicles transport the proteins to their destination, such as the plasma membrane for secretion outside the cell.
Therefore, the correct order is 1, 2, 4, 3.
Answer:
The correct order of protein production is ribosome, endoplasmic reticulum, Golgi apparatus, and secretory vesicles. So the correct answer would be c) 1,2,4,3.
Many proteins destined for the endoplasmic reticulum, the Golgi apparatus, lysosomes, the plasma membrane, and secretion from the cell are synthesized on ribosomes that are bound to the membrane of the endoplasmic reticulum. The Golgi apparatus then distributes these proteins and lipids that it receives from the ER.
If a rock was determined to be around 3.9 billion years old how much Potassium 40 would be left in that rock sample? (Percentage of Potassium 40)
What percent of potassium-40 remains undecayed in a rock that is 3.9 billion years old? The 3.9 billion year old rock has undergone three half-lives (3.9 divided by 1.3 = 3). After 3 half-lives, 12.5% of the potassium-40 remains undecayed.
The _____ is a process at the top of the femur: A. calcaneus B. lateral greater trochanter C. tarsus D. fibula
Answer:
PART C I THINK SO
Explanation:
how does histone acetylation affect transcription?
Acetylation reduces the binding between histones and DNA by removing positive charges. Hence, histone acetylation often promotes transcription whereas histone deacetylation suppresses it, while the opposite is also observed.
How does histone acetylation work?Histone acetylation, which produces positively charged acetylated lysines that activate transcription, enables DNA, which has a negative charge, to be securely bound by the histones. As a result, the transcriptional machinery is unable to access the DNA, and the genes are left dormant.
As part of gene regulation, the lysine residues in the N-terminal tail of the histone core of the nucleosome are acetylated and deacetylated by the processes of histone acetylation and deacetylation.
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Which summary below correctly describes what occurs during transcription?
O A DNA template is used to create an mRNA strand.
O An mRNA template is used to create a DNA strand.
O A DNA template is used to create a ribosome.
O An mRNA template is used to create a tRNA strand.
Answer: A DNA template is used to create an mRNA strand.
Explanation:
Transcription basically means a written or printed representation of something, if we connect that analogy to DNA, we are using the DNA as our template to write/create an mRNA strand out of it, basically transcribing the DNA.
Describe the use of carbohydrates and lipids for energy
storage in animals.
Answer:
Animals tend to use carbohydrates primarily for short-term energy storage, while lipids are used more for long-term energy storage. Carbohydrates are stored as glycogen in animals while lipids are stored as fats (in plants carbohydrates are stored as cellulose and lipids as oils)
Explanation:
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true/false. there are three children, three pets, and three favorite colors. the children are: angela, lisa, and susan. the pets are: a cat, a dog, and a fish. the colors are: blue, green, and red.
The statement is true. There are three children (Angela, Lisa, and Susan), three pets (a cat, a dog, and a fish), and three favorite colors (blue, green, and red) mentioned in the description.
The statement clearly states that there are three children, three pets, and three favorite colors. It specifies the names of the children as Angela, Lisa, and Susan, the pets as a cat, a dog, and a fish, and the favorite colors as blue, green, and red. The information provided matches the given quantities and names, confirming that there are indeed three children, three pets, and three favorite colors as mentioned in the statement. Therefore, the statement is true.
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which electron microscope technique below is used to image the surfaces of objects ranging in size from a virus to an animals head
The electron microscope technique used to image the surfaces of objects ranging in size from a virus to an animal's head is scanning electron microscopy (SEM).
Electron microscopy is a technique for imaging specimens utilizing a beam of electrons instead of visible light.
Electron microscopes can achieve much higher magnification and resolution than conventional optical microscopes because they utilize electrons instead of light.
The Scanning electron microscope (SEM) is one of the most commonly utilized types of an electron microscope. SEM is a method of imaging the surfaces of specimens utilizing an electron beam, and it is well-suited for examining a wide range of samples, from single cells ,viruses to an animal's head
It is used to study samples in a variety of scientific fields, including biology, chemistry, and physics, among others.
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The disease that attacks cattle can be far more difficult to control than the disease _____. a. that attacks humans b. attacking humans
15. Which micropipette would you use to measure the following
volumes?
a. 250 ML _____
b. 75 uL ______
c. 189 uL ______
d. 5 uL _______
what's Ozone layer???
Answer:
The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. It contains a high concentration of ozone in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.
Explanation:
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Organs are composed of single cell types that have differentiated to perform a specific bodily function.
a. true
b. false
Organs are composed of single cell types that have differentiated to perform a specific bodily function. This statement is false.
Organs are complex structures that are typically composed of multiple cell types working together to carry out specific functions. These different cell types within an organ often have distinct roles and specialized features that contribute to the overall function of the organ. For example, the heart is an organ composed of various cell types, including cardiac muscle cells, connective tissue cells, and blood vessel cells. Each of these cell types has a unique function and contributes to the overall pumping action of the heart.
The differentiation of cells is a crucial process during development, where cells acquire specialized characteristics to perform specific functions within the body. However, it's important to note that organs are not comprised of a single cell type but rather a combination of different cell types that work in harmony to fulfill their respective roles.
the intricate cellular composition of organs and the fascinating processes of cell differentiation in the development of complex organisms.
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2. Juan cut his finger, and some bacteria got into it. What blood component will help Juan to fight this bacteria?
red blood cells
white blood cells
platelets
plasma
White Blood cells are responsible for fighting infections and bacteria. Therefore, White Blood cells help fight the bacteria that enter when he cuts his finger.
Blood is a connective fluid tissue that flows through the body in an organism. Blood has the following components:
Red Blood cells: RBCs are responsible mainly for the transport of gases in our body such as oxygen, carbon dioxide, and so on.White Blood Cells: WBCs are responsible for the immunity of our body and help in fighting off bacteria and infectionPlatelets: These are responsible for clotting of blood in case of an injuryPlasma: This is a liquid component of blood and contains ions and other proteins essential for our body.Learn more about WBCs:
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a muscle cell dies, so that there is no atp left in the sarcoplasm. however, there is lots of ca2 in the sarcoplasm. this results in:
The calcium ions can't be pumped back into the endoplasmic reticulum, as calcium remains in the cell cytoplasm, troponin molecules can not return to occupy active sites of actin.
Myosin heads are not released from active sites i.e. the muscle fiber stays contracted. Contracted muscles cause rigor mortis which sets in within a couple of hours of death. It lasts for days in freezing cold conditions; but in tropical condition, body putrefies as necrosis of cells, as well as microbial decomposition, starts after 24 to 36 hours of death.
The sarcoplasm plays a critical position in muscle contraction as an increase in Ca2+ attention in the sarcoplasm begins the technique of filament sliding. A decrease in Ca2+ in the sarcoplasm eventually ceases filament sliding. The sarcoplasm also aids in pH and ion stability within muscle cells.
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Which of the following is not a water soluble?
- salt
- fat
- carbohydrates
- sugar
Answer:
fat yw
Explanation:
Do bacteria have both primary and secondary Cell walls?
Explanation:
Bacteria have a thin flexible cell wall. Only plant cells have primary and secondary cell walls.
you receive what you suspect to be a vishing attempt. what should you do
Do not provide personal information, hang up and report to authorities.
How to respond to a vishing attempt?Vishing is a type of scam where fraudsters attempt to gain access to your personal or financial information over the phone. If you suspect that you have received a vishing attempt, do not provide any personal information.
Hang up the phone and contact your bank or financial institution to report the incident. You should also report the attempt to the Federal Trade Commission (FTC) or the appropriate authorities in your country.
It is important to stay vigilant and never provide personal information over the phone unless you are certain of the identity of the caller and the legitimacy of the request.
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Tomatoes are genetically modified to have a longer shelf life, slowing the ripening and softening of the tomato. Which best describes a
concer people have with eating genetically modified tomatoes?
Genetically modified tomatoes do not taste as good as regular tomatoes,
B. Genetically modined tomatoes are more expensive than regular tomatoes
DC The DNA used to modify the tomatoes could change the DNA of the person eating the tomato.
Answer:
C. (last one)
Explanation:
There is a lot of heavy superstition surrounding the ingestion of genetically modified foods and some people believe that consuming foods modified by different DNA can effect their own. However, this is scientifically impossible as a person's DNA is not something that can be modified by anything as you are born with it and your DNA makes up your entire body. Almost every cell in your body contains at least some DNA, meaning that to modify it, every single cell in your body would have to change
Which of the following processes transfers carbon directly from sea water to sea plants
Which of the following is a source of water pollution? a. sewage b. oil spills c. fertilizers d. all of the above
Answer:
all of the above
Explanation:
Answer:
D
Explanation:
The compound Iron (II) sulphate consists of A.Iron and sulphur B. Iron and
silicon C. Iron and silver D. Iron and tin
Answer:
A. Iron and sulphur
Explanation:
It also contains oxygen
\({ \bf{formula}} : { \sf{FeSO_{4}}}\)
The table below shows classes of animals and the structure of the heart found in the animals of each class. Crocodiles are reptiles that have four-chambered hearts. Which statement is BEST supported by the information in the table?:
A: A crocodile-like animal is the ancestor of birds
B: A crocodile-like animal is the ancestor of other reptiles
C: A crocodile-like animal is the ancestor of fish
D: A crocodile-like animal is the ancestor of amphibians
The statement 'a crocodile-like animal is the ancestor of birds' is BEST supported by the information in the table (option A).
Evolution refers to the biological process of descendence with modification.Evolutionary close species share functional and structural phenotypic features due to a same-origin during evolution.A crocodile is a reptile, and it has been shown that birds evolved from theropod dinosaurs (reptile).In conclusion, the statement 'a crocodile-like animal is the ancestor of birds' is BEST supported by the information in the table (option A).
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Which type of plate boundary is associated with subduction of a plate?
Answer:
convergent boundary
Explanation:
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