Answer:
A. Cells in meiosis have unique genetic information
Explanation:
The cells in meiosis differ from the cells in mitosis, cells in meiosis have unique genetic information that is in Option A, as the haploid meiotic cell has uniqueness due to cross-over and recombination.
What is the significance of the meiotic cells?These are the cells that undergo meiosis, a cell division that forms haploid cells and the significance of meiotic cells results from the exchange of genetic information between chromosomes, which creates genetic diversity among the resulting cells and is important for their survival, but errors in meiosis can also lead to the formation of cancer cells.
Hence, the cells in meiosis differ from the cells in mitosis, cells in meiosis have unique genetic information that is in Option A, as the haploid meiotic cell has uniqueness due to cross-over and recombination.
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What would happen if the palisade Mesophyll were below the spongy Mesophyll
Explanation:
The palisade mesophyll and the spongy mesophyll are the parenchyma cells present in the middle portion of the leaf which performs a specific function.
The palisade mesophyll is present in the upper portion of the leaf and contains chlorophyll. The chlorophyll is involved in the process of photosynthesis therefore palisade layer perform photosynthesis.
The spongy mesophyll is arranged in the lower portion of the leaf in a loosely packed structure. The spongy mesophyll allows the circulation or flow of the carbon dioxide and oxygen in the leaf.
Since the stomata are present in a higher amount on the lower side of the leaf, therefore, gas exchange takes place through the lower portion and therefore the spongy parenchyma is present on the lower portion.
If the spongy parenchyma is present on the upper side and the palisade on the lower side then the gaseous exchange will be difficult and the photosynthesis will not be performed.
Palisade mesophyll and spongy mesophyll are parenchymal cells located in the central part of the leaf and perform specific functions.
Palisade mesophyll is located at the top of the leaf and contains chlorophyll. Since chlorophyll is involved in the process of photosynthesis, the Parisaise layer performs photosynthesis.
The spongy mesophyll is placed in a loosely packed structure at the bottom of the leaf. Sponge-like mesophyll allows the circulation or flow of carbon dioxide and oxygen in the leaves. Due to a large number of stomata on the underside of the leaves, gas exchange takes place from the bottom and there is spongy parenchyma at the bottom.
If the spongy substance is on the top and the fence is on the bottom, gas exchange will be difficult and photosynthesis will be difficult.
What is the function of a palisade mesophyll?The mesophyll layer is the walls where most photosynthesis occurs in the leaves. Palisade cells contain many chloroplasts that aid in this photosynthesis. Palisade cells are densely packed to maximize light absorption.
Hence concluded that if the palisade Mesophyll were below the spongy Mesophyll it will cause difficulty in photosynthesis.
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What is the name of the genetic engineering technique illustrated in diagram 2 above
Answer:
Genetic engineering may be defined as the deliberate manipulation or alteration of the genetic information of an organism. Among the various forms that genetic engineering takes is the removal of genes from one organism followed by their insertion into the genome of another.
Explanation:
examine the cladogram. which trait separates bicylces from airplanes motorcycles and cars
Answer NONE THEY ALL USE mechanical COMPONENTS
Explanation:
Use the drop-down menus to complete the description of the rock cycle at Stone Mountain.
Stone Mountain is a great example of the rock cycle at work. Streams erode existing Evand
rocks. The processes of compaction and cementation form these sand particles into sandstone, a
rock.
Answer:
1 igneous 2 metamorphic 3 sedimentary
Explanation:
1 igneous 2 metamorphic 3 sedimentary complete the description of the rock cycle at Stone Mountain.
What is rock cycle ?Rocks are naturally formed and non-living earth which are made by collection of mineral grains held together in a firm, it can be tiny or big as well and can be easily identified with their texture.
The Rock cycle is defined as a continuous process through which old rocks are transformed into new rock due to cool down of molten magma, when it solidifies become igneous rock.
in a rock cycle, when the break down of these igneous rocks occur small particles that are transported and deposited to form sedimentary rocks, When the igneous and sedimentary rocks heated up and under the pressure they change into metamorphic rocks.
The metamorphic rocks which are subjected under great heat and pressure melt down to form molten magma which again can cool down and solidify into igneous rocks
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The life expectancy in the US increased more than 30% from 1930 to 2015 which factor could have contributed to this increase a better medical facilities and treatments be decreased Farmland C increased food insecurity D refusal of vaccines
In tooth fairies, curved wings are dominant over straight wings. If a homozygous recessive tooth fairy has 4 children, and half of them have straight wings...
Answer:
a.) Gene= Wings
b.) Alleles= C,S
c.) Mother's Genotype= SS
d.) Genotype of her tooth fairy husband= CS
e.) Genotype of the other 2 children= CS
Explanation:
Complete question
In tooth fairies, curved wings are dominant over straight wings. If a homozygous recessive tooth fairy has 4 children, and half of them have straight wings
a.) Gene=
b.) Alleles=
c.) Mother's Genotype=
d.) Genotype of her tooth fairy husband=
e.) Genotype of the other 2 children=
Solution -
Here the allele being talked about is the wing type
Thus gene = wing
Let the allele for curved wings be represented by "C"
and the allele for straight wings be represented by "S"
Thus, allele are C and S
Genotype of mother -
Genotype of father is CS
and genotype of mother is SS
CS * SS
CS, CS, SS, SS
Only SS will have straight wings.
Genotype of her tooth fairy husband= CS
Genotype of other two children - CS
The inheritance of curved vs. straight wings in tooth fairies follows Mendelian genetics, where a homozygous recessive parent and a heterozygous parent can produce offspring with a 1:1 ratio of the traits. This is analogous to fruit fly genetics studies, which also relate to human X-linked genetic traits, where heterozygous females pass on traits or carrier status to their children.
Explanation:The question is asking about the inheritance of wing shape in tooth fairies, which involve basic genetics principles. In this scenario, a homozygous recessive tooth fairy produces offspring with a 1:1 ratio of curved to straight wings. Given that curved wings are dominant, the only way for half of the offspring to have straight wings is if the other parent is heterozygous, carrying one dominant and one recessive allele for wing shape. This is an example of Mendelian inheritance patterns, where each parent contributes one allele for a trait to their offspring. This pattern of inheritance is similar to discoveries made in fruit fly genetics which also apply to human genetics, particularly regarding X-linked traits.
For X-linked traits, similar principles apply. For instance, if a female parent is homozygous for a recessive X-linked trait, she will pass it on to 100 percent of her sons, as males only receive one X chromosome from their mother and a Y chromosome from their father. If a mother is heterozygous for an X-linked trait, she will pass on the trait to 50 percent of her male offspring and carrier status to 50 percent of her female offspring, since females have two X chromosomes.
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What is the role of the excretory system?
What are the main structures of the excretory system?
What do each of the structures do?
How does the excretory system help us maintain homeostasis?
Answer:
ok so
Explanation:
The role is
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
The main structures are
The kidneys, large intestine, liver, skin, and lungs. They are part of the urinary system, which also includes the ureters, bladder, and urethra.
Maintaining homeostasis
Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis. Organs of excretion make up the excretory system. ... The kidneys maintain homeostasis by controlling the amount of water, ions, and other substances in the blood.
Answer:
The role is
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
The main structures are
The kidneys, large intestine, liver, skin, and lungs. They are part of the urinary system, which also includes the ureters, bladder, and urethra.
Maintaining homeostasis
Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis. Organs of excretion make up the excretory system. ... The kidneys maintain homeostasis by controlling the amount of water, ions, and other substances in the blood.
Explanation:
the structure of DNA's bases are held together by what type of chemical bond?
Answer: its not a chemical bonds. It is a hydrogen bond or LDF in chemistry
HELP!!!!!!
I don’t understand what to do. If you can please explain but just giving the answers would be fine.
Answer:
1.) heterozygous 2.) hairy 3.) hh 4.) heterozygous 5.) no fur | as for 5, 6, and 7 i need more information because you can't see the guinea pig. number 6 could either be "HH" or "hh" depending on what it looks like, since it's heterozygous. The punnet square on the bottom right goes as follows, (from left to right) HH, Hh, hH, hh.
The given table regarding Guinea Pigs can be completed employing the correct words would be as follows:
1). heterozygous 2.) hairy
3.) hh 4). heterozygous
5). 6). 7). Image missing.
What are Monohybrids?Monohybrids are described as the species that exemplify the hybrid species that are different just due to the difference of one gene.
The Guinea pig belongs to the heterozygous group because it involves two varied alleles of a particular gene.
Based on the given pictures, the blanks 1 to 4 can be filled but for 5th, image is missing, and thus, the Guinea pig being heterozygous, the genes can vary from HH, hh, to HH, Hh, hH.
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Predict using your knowledge of mitosis checkpoints what would most likely happen if the checkpoint proteins during interphase malfunctioned at every check and the cell is permitted to progress to mitosis?
A. The cell would have the organelles it needed for each new daughter cell.
B. The cell would be able to make more of itself at a faster rate.
C. The cell would not be able to continue dividing and would be destroyed.
D. The cell would have issues with chromosome number or size of the cell
If checkpoint proteins during interphase malfunctioned and the cell entered mitosis prematurely, it would likely lead to issues with chromosome number or size of the cell, potentially causing mutations or cell death. The Correct Answer is Option.D.
Explanation:The question at hand involves predicting the consequences if checkpoint proteins during interphase malfunctioned at every stage, allowing the cell to prematurely enter mitosis.
It is crucial to understand that the cell cycle checkpoints, including those in interphase (G1, S, and G2 phases), are fundamental to ensuring cells divide correctly, with undamaged DNA and adequate size. If these checkpoints malfunction, the cell would bypass critical assessments for DNA damage, replication completeness, and cellular size, potentially leading to severe consequences such as chromosomal aberrations and inappropriate cell size.
Therefore, the most likely outcome of such malfunction would be D. The cell would have issues with chromosome number or size of the cell. This scenario could lead to mutations, cancer development, or cell death, emphasizing the importance of the stringent regulation of the cell cycle.
Which describes an interaction in which organisms work together so that all organisms in the group benefit?
Answer:
Mutualism
Explanation:
Use the drop-down menus to complete the sentences.
is a seasonal wind that blows in the opposite direction of normal winds.
wind is a wind that blows mainly from a single general direction,
Seasonal winds that blow in the opposite direction of normal winds often cause
in the winter
(a) A monsoon wind is a seasonal wind that blows in the opposite direction of normal winds.
(b) A prevailing wind is a wind that blows mainly from a single general direction.
(c) Seasonal winds that blow in the opposite direction of normal winds often cause drought in the winter.
What is monsoon wind?A monsoon wind is a seasonal change in the direction of the prevailing winds of a region. This seasonal wind blows in the opposite direction of normal winds.
What is prevailing wind?This wind blows predominantly from a particular direction. A prevailing wind is a wind that blows mainly from a single general direction.
What wind causes drought in winter?This type of wind usually blow in opposite direction, example; east to west, or west to east or north to south or south to north.
Thus, the seasonal winds that blow in the opposite direction of normal winds often cause drought in the winter.
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Answer:
A moonsoon
is a seasonal wind that blows in the opposite direction of normal winds.
A prevailing
wind is a wind that blows mainly from a single general direction.
Seasonal winds that blow in the opposite direction of normal winds often cause drought
in the winter.
Explanation:
Each enzyme only has 1 substrate that will fit its active site what is it called
Answer:
Enzyme specificity or specific
Explanation:
Enzymes are highly specific to substrates as they have an active site which only allow certain substrates to bind to the active site. This is due to the shape of the active site and any other substrates cannot bind to the active site.
there is a model which is well known in the biology field of the lock and key model. this is because you have to have the correct key to insert it into the lock. this goes the same as an enzymes active site and the substrate.
Enzyme specificity refers to the fact that each enzyme can only bind to and interact with one specific substrate.
Explanation:Enzymes are specialized proteins that catalyze specific chemical reactions in the body. Each enzyme has an active site that is uniquely shaped to accommodate a specific substrate, which is the molecule on which the enzyme acts. This specificity ensures that enzymes only bind to and interact with their specific substrates, allowing them to carry out their specific functions effectively.
Thus, Enzyme specificity refers to the ability of an enzyme to recognize and bind specifically to a particular substrate or type of molecule, catalyzing a specific chemical reaction while excluding others. This specificity is crucial for the proper functioning of biological processes.
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What is the current theory about the formation of the solar system?
A big bang occurred in the solar system as a result of a fusion reaction. All the matter in the solar system that had been clumped together was shattered and sent flying. As new pieces of matter connected, all the celestial bodies of the solar system were formed.
The solar system began as a cloud of dust and gas that condensed, forming a bulging middle and an outer disk. The bulging middle of the cloud became the sun, and the rest of the dust and gas formed the planets, orbiting the sun in the same plane.
About 14 billion years ago, several supernova events scattered all the known elements throughout the galaxy. The magnetic elements were attracted to each other and formed the early celestial bodies that eventually became the planets of the solar system.
The area of the universe that was to become the solar system went through a period of vast expansion as a result of rapid radioactive decay that left behind clouds of dust and gases. The excess clouds and gases were used to form the various parts of the solar system.
Answer:
The answer is A.The big bang occurred in the solar system as a result of a fusion reaction. All the matter in the solar system that had been clumped together was shattered and sent flying. As new pieces of matter connected, all the celestial bodies of the solar system were formed.
Explanation:
I took the test
How might continuing increases in the price of fossil fuels affect research on the development of
renewable resources, such as wind power and solar energy?
Rising fossil fuel prices typically stimulate research and development in renewable resources, making alternatives such as wind and solar energy more competitively priced and technologically advanced, leading to a potential shift toward sustainable energy solutions.
Continuing increases in the price of fossil fuels are likely to have a significant impact on the research and development of renewable resources like wind power and solar energy. When the cost of fossil fuels rises, due to depletion of supplies or geopolitical pressures, renewable energy sources become more economically competitive. Historical evidence demonstrates a pattern: as fossil fuel prices increase, such as during the oil shocks of the 1970s, there is heightened interest and investment in alternative energy sources. The ensuing investment and research in renewables can lead to technological advancements, improving their efficiency and making them more cost-effective. Ultimately, this can lead to a shift towards more sustainable energy sources, driven by the combination of market forces, climate change concerns, and the need for energy security in light of finite fossil fuel resources.
What animal is responsible for the pollination of the majority of the food sources in the United States?
Bees
Moths
Beetles
Birds
Answer:
bees
Explanation:
Describe how a dihybrid cross can be utilized to track multiple traits in an organism.
Plz I need this answer today
Water stored in sediments and rocks beneath Earth’s surface is called
a. underground
b. run off
c. ground water
d. water table
pls help me peeps.
Which pair of statements best explains an environmental stimulus and a bear’s response to survive winter?
Question 3 options:
Environmental stimulus: The bear senses that food is becoming scarce. Response: The bear consumes less food, and its heart rate increases.
Environmental stimulus: The days are becoming shorter. Response: The bear consumes more food, and its heart rate decreases.
Environmental stimulus: The bear is hungry. Response: The bear consumes more food, and its heart rate increases.
Environmental stimulus: The days are becoming longer. Response: The bear consumes less food, and its heart rate decreases.
The pair of statements best explains an environmental stimulus and a bear’s response to survive winter is The bear senses that food is becoming scarce. The bear consumes less food, and its heart rate increases.
What happens in hibernation?During hibernation, the animal's body remains inactive, its temperature drops considerably, and blood flow and heartbeat are reduced. The reduction in metabolism causes energy expenditure to be reduced and, consequently, these beings save nutrients.
In winter, food is very rare and the water in some rivers freezes. With no water and no food, the solution is to hibernate in a sheltered place until spring. When sleeping, bears use less energy. And they get the little energy and water they need from their own fat when they hibernate.
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What factor limits the number of eclipses per year?
Answer:
The tilt of the moon's orbit around the earth
Explanation:
On average of twice a year, throughout it's orbit, the moon will create a 180° angle with the Earth making the Earth's shadow visible on the surface of the moon causing a solar eclipse.
The factor limits the number of eclipses per year is the inclination of the moon's orbit around the earth.
Eclipses are part of the phenomena known as syzygy, which occur when a planet or the Moon is in line with the Earth and the Sun.
For an eclipse to occur, the Moon must be in the same plane as the Earth and the Sun, a plane that, precisely to facilitate eclipses, is called the 'Plane of the Ecliptic'.
The plane of the Moon's orbit is inclined with respect to the ecliptic, approximately 5.1º.
This causes that during the movement of the Moon around the Earth, the Moon only touches the plane of the ecliptic at two points.
Due to this inclination between the orbits, and as eclipses require the almost perfect alignment of the three stars (Sun, Earth and Moon), eclipses occur very few times throughout the year.
Therefore, we can conclude that the factor limits the number of eclipses per year is the inclination of the moon's orbit around the earth.
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(a) (1) State similar characteristics between the sea teak leaf and the weeping willow leaf
(11) State one structural difference between the sea teak leaf and the weeping willow leaf
1. Answer:
Both these leaves are quite similar because of their physical appearance. The sea teak leaf and weeping willow leaf are narrow and elongated. However, a weeping willow leaf has tapered edges.
The scientific names of sea teak and weeping willow plants are Podocarpus polystachyus and Salix babylonica.
The leaves of both these plants are simple regardless of their receptive compound appearance. This is due to the presence of complex vein structure on the leaf.
2. Answer:
There many differences between sea teak leaf and weeping willow leaf.
Sea teak leaf is 3-10 cm long while weeping willow leaf is only 6 cm long.
Sea teak leaves are bright green and shiny while weeping willow leaves are green at top and white at the bottom.
The bark of weeping willow can be used to obtain various medicines. Meanwhile, the leaves of sea teak plants are chewed to ease pain of joints.
Weeping willow trees are found in areas of China, South-West Asia and Europe.
Sea Teak trees are found in Indonesia, Malaysia etc.
How long do geoscience processes take to occur? plz help will give brainliest
Geological process takes billions of years to occur.
Explanation:
Geological process are referred to as the event that maintains a time scale that ranges from billions of years, thousands of kilometers as well as hundred of meters. In case of geological chronology we come to know that the Solar System was was created 6 billions years before and the other planets in the solar system along with the Earth was created 4 billion years before and since then the geological process is being working.
what is the relationship between mutation, natural seleection, and adaptation
The word medium is used in paragraph 4. Which of the following could be the definition of medium?
A vacuum
Empty space
Anything with molecules; matter
The absence of molecules in an area
Answer:
Anything woth molecules: matter
Explanation:
because the intervening substance through which impressions are conveyed to the senses or a force acts on objects at a distance.
The definition of medium should be Anything with molecules: matter
The following information should be considered:
The third option is correct since the intervening substance via impressions that are conveyed to the senses or a force acts on objects at a distance.Therefore, the other options are correctLearn more: https://brainly.com/question/952353?referrer=searchResults
Which statement best distinguishes carbon dioxide from carbon monoxide?
Answer:
Carbon monoxide and carbon dioxide are both colorless and odorless gases. Carbon monoxide has a molecular formula of CO while carbon dioxide is CO2. Carbon monoxide is composed of one carbon atom and one oxygen atom while carbon dioxide is composed of one carbon atom and two oxygen atoms
Explanation:
15
Directions: Select the correct entries in the table.
The nucleotide sequences of four species are shown in the table below. Select the nucleotide sequences of the two species that
are most closely related.
Species Nucleotide sequence of gene ABX
TAC ATA CGC GGG ACC TTT AGT GGG GCC CCC ACT
TAC ATA CCC CCG ACC TAT CGC GGG GCG CCC ACT
TAC ATA CCC CCG ACC TTT CGC GGG GCG CCC ACT
TAC ATA CGG GGG AAA TTT CGC TTT GCG CGC ACT
Answer:
B and C
Explanation:
The two species in options B and C are closely related because their nucleotide sequence is almost similar. Hence, options B and C are correct.
What is nucleotide sequence?The most fundamental understanding of a gene or genome is its nucleotide sequence. Without having it, it would be impossible to comprehend how genes function or how organisms evolve because it is the blueprint that holds the instructions for developing an organism.
The four nucleotides that make up DNA are adenine (A), thymine (T), guanine (G), and cytosine (C). The two DNA strands are connected by base pairs, which are formed when the nucleotides (A with T and G with C) bind to one another.
The two species in options B and C are closely related because their nucleotide sequence is almost similar. Hence, options B and C are correct.
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Select the correct answer.
Which statement is an example of parasitism?
A.
Psuedoscorpions hide under beetles' wings for protection and transport.
OB. Wasps lay eggs inside hornworms and after the eggs hatch, the wasp larvae feed on the hornworm.
OC. Lions and hyenas live in a savanna ecosystem and eat the same prey, antelopes.
OD.Otters contribute to a high level of diversity in their ecosystem because they eat urchins, allowing kelp to grow.
OE Ladybugs consume insects such as aphids, mealyworms, and spider mites.
Answer:
B
Explanation:
The larvae feeding on the hornworm harms it.
The statement is an example of parasitism is B. Wasps lay eggs inside hornworms and after the eggs hatch, the wasp larvae feed on the hornworm.
Here's a detailed explanation of parasitism:
Parasitism is a type of symbiotic relationship between two different organisms where one organism, the parasite, lives on or in the host organism, causing it some harm, and is adapted structurally to this way of life. The parasite benefits at the expense of the host.
In the example given (Option B), the wasps are the parasites. They lay their eggs inside hornworms. Once the eggs hatch, the larvae feed on the living hornworm, which eventually leads to the hornworm's death. This relationship benefits the wasp (providing nourishment and a place for its larvae to develop) while harming the hornworm, which is a classic example of parasitism.
Which drug is a treatment for a bacterial infection, such as strep throat?
a drug that interferes with viral DNA
a drug that moderates your use of sugar
a drug called an antibiotic
Answer:
a drug called an antibiotic
Explanation:
Which theory states that living things change lower overtime in response to changes their environment
Answer:
Darwin's theory
Explanation:
Species change over time; some traits become more common, others
less. This process of change is driven by natural selection. The traits that become more common are the ones that are “adaptive” or “increase fitness”
(that is, a creature’s chances of living longer and producing more offspring).
Example: the long neck of giraffes.
Select the correct answer to complete the statement.
Compound microscopes focus light through
Choose...
to produce a magnified image.
Choose...
matter
lamps
fenses