In metaphase 1, the homologous pair of chromosomes lined up at the equator.
Explanation:
In metaphase the chromosomes are highly condensed and coiled. The centrioles are at the opposite end of the pole. The 2 pairs of homologous chromosome or tetrads already formed in Prophase 1 arrange themselves on a plane called a metaphase plate for separation. Metaphase 1 will be followed by Anaphase 1, in which homologous chromosomes separate.
What can be interpreted from the graph?
A)Number of microbes reduces with the time.
B)Number of microbes remains constant with time.
C)Number of microbes increases at a constant rate.
D)Number of microbes increases exponentially with time.
Answer:
The correct option is D) Number of microbes increases exponentially with time.
Explanation:
As we can see from the graph, the population of the microbes is starting with a slow growth in the start but as time increases, the population starts to grow in an exponential manner. Exponential growth occurs when there is enough supply of food and other resources to support growth. But with the passage of time, the resources will start to decline and we will see a decline phase after the exponential phase has occurred.
how is mitosis different in plants and animals
Answer: The most important and observable difference in the plant animal cells mitosis is the cytokinesis.
Explanation: The most important and observable difference in the plant animal cells mitosis is the cytokinesis. In plants a new cell plate is formed between the daughter cells for the future cell wall, while in animal cells the cell membrane constricts to separates the parent cell into daughter cells.on:
Question 7 (1 point)
glucose + fructose -> sucrose + water is a type of
reaction
Answer: The given reaction is a "Dehydration Synthesis Reaction".
Explanation:
In chemical science the antonym of hydration is dehydration reaction which is a common process of conversion take place by involving loss of water from reacting molecule or ion. For an instance the dehydration process help in formation of disaccharide (sucrose) from two monosaccharides (glucose + fructose) as given in reaction.
Some other examples are like conversion of an acid and an alcohol into an ester and reaction called as "Fischer–Speier esterification", Conversion of an alcohol to alkene etc. Normally dehydration is followed by heating or leaving at room temperature, although it is a time taking process. Some common dehydrating agents are like alumina and sulfuric acid for organic synthesis.
How do changes in incoming solar radiation contribute to temperature increases
Answer:
The steps most affected by the increase in greenhouse gases are 3. Heat is absorbed by the atmosphere and 4. The atmosphere re-releases heat, warming Earth's surface and lower atmosphere.
Explanation:
describe the structure and shape of dna
It has a double helix structure. A double helix, which is made up of two linked strands that loop around one another to resemble a twisted ladder, is the shape of DNA.
What is DNA?Deoxyribonucleic acid, or DNA, is the molecule that contains the genetic information required for an organism to grow and function. The shape of DNA is a double helix, which is made up of two linked strands that loop around one another to resemble a twisted ladder.DNA is a double-stranded nucleic acid that contains the genetic code of all living things. It is required for cell development, division, and operation in an organism. In general, RNA is a single-stranded nucleic acid. DNA is composed of chemical building blocks known as nucleotides. These building blocks are composed of three components: a phosphate group, a sugar group, and one of four different types of nitrogen bases.To learn more about DNA refer to:
https://brainly.com/question/16099437
#SPJ2
Which is the first step in the fusion process?
Answer:
Option C would be the correct one.
Explanation:
Answer:
C is the correct option
Explanation:
What are the four main threats to biodiversity?
Answer:
I think the main reasons why Biodiversity is under serious threat is as a result of human activities. The main dangers worldwide are population growth and resource consumption, climate change and global warming is also a big reason. Habitat conversion and urbanisation, invasive species that dont belong, over-exploitation of natural resources and environmental degradation.
Hope this helps :)The four main threats to biodiversity are as follows:
Overexploitation.Climate change.Habitat loss.Introduction of Invasive species. What is Biodiversity?Biodiversity may be defined as the sum total of all the variety of living organisms present on the earth's surface. It includes the measure of variations at the genetic, species, and at ecosystem levels.
Overexploitation involves the elimination of a particular type of organism due to its overconsumption for the benefit of humans as well as other living organisms.
Climate change leads to severe impacts on the survivability of living entities. It includes global warming, El Nino effects, coral reef, etc.
Habitat destruction due to urbanization, or industrialization is also one of the major threats to biodiversity. The habitat gets disturbed due to human activities and interference.
The introduction of invasive species limits the resources that were part of native species. And due to this the competition increases and hence native species have to be eliminated, and biodiversity decreases.
Therefore, overexploitation, climate change, habitat loss, and invasive species are the four major threats to biodiversity.
To learn more about Threats to biodiversity, refer to the link:
https://brainly.com/question/8911962
#SPJ6
A cell wall is present only in a) Bacteria, b) Protozoa, c) Algae, d) Virus
Answer:
B
Explanation:
Answer:
cell wall
Explanation:
because nothing would be able to protect the cell
Peppered moth simulation
Answer:
yes
Explanation:
because
The Peppered Moth Simulation is a biological illustration of natural selection. The color of these moths changed in response to industrial pollution in 19th-century England, with darker moths having a survival advantage because they were better camouflaged. This color balance has been shifting back as air quality improves.
The Peppered Moth Simulation is a classic example of adaptation and survival in biology, often used to demonstrate the concept of natural selection.
In the mid-19th century, nearly all peppered moths in industrialized areas of England were dark (or 'melanic'), whereas before industrial pollution the majority were 'typica' or lighter colored. The color change is believed to have been a response to pollution: dark moths were better camouflaged against soot-covered trees and therefore less likely to be eaten by birds. This is known as industrial melanism.
Tests carried out in various ways have shown that the large changes in frequency of the dark moth could not have happened by chance, which indicates natural selection. With improvements in air quality, the 'typica' variety of the moth is again predominant today.
Learn more about Natural Selection here:
https://brainly.com/question/32227158
#SPJ6
What would be the answer for this question?(Biology)
What is the relationship between mitosis and the cell cycle?
Brainliest if correct
Mitosis represents only about 10% of the cell cycle.
The cell cycle represents about 90% of mitosis.
DNA synthesis takes place during mitosis; the cell divides in two during the cell cycle.
The parent cell is created during mitosis; the daughter cells are a result of the cell cycle.
Answer:
The cell cycle represents about 90% of mitosis.
Explanation:
The cell starts the process resulting in division. The entire cell cycle may be considered to be in four phases; G1, S, G2, and M. In the G1 phase, the cell doubles in size, and there is formation of new organelles and materials required for two cells. During this phase, there is nucleus migration to the center of the cell. This phase ends with the G1/S checkpoint. The process can be terminated at this point, or proceed to S phase in which DNA and associated nuclear proteins are replicated. By the end of the S phase, the cell contains two entire copies of its genetic information. The cell proceeds to G2 phase where the chromosome starts condensing, and structures required for division are formed. A discrete band of microtubules forms around the cytoplasm marking the plane of cell division. At the end of the G2 phase, the cell undergoes another checkpoint: G2/M checkpoint, upon which, if conditions are appropriate, the cell enters M phase in which it divides.
Which three elements make up most of the human body?
Answer:
oxygen, carbon, hydrogen,
Explanation:
Answer:
c,h,o I believe
Explanation:
Which of the following is a disadvantage of wind as an energy source?
O
A. It does not use fossil fuels.
B. It is a nonrenewable resource.
O
C. It may alter habitats and harm birds.
O
D. It produces greenhouse gases.
Final answer:
The disadvantage of wind energy is that it may alter habitats and harm birds, despite being renewable and not producing greenhouse gases.
Explanation:
Among the listed options, the disadvantage of wind as an energy source is C. It may alter habitats and harm birds. While wind energy does not use fossil fuels, is a renewable resource, and does not produce greenhouse gases, it can have negative impacts on wildlife. Wind turbines can pose a significant threat to flying creatures like birds and bats, who may collide with the rotors. In addition, the construction of wind farms can alter natural habitats and landscapes. Although these impacts are a concern, they are generally considered to be less damaging than the effects of fossil fuel consumption on the environment.
We see here a method of asexual reproduction, binary fission, in which one organism splits into two separate organisms. In
other organisms, part of an individual separates and forms a second individual. This process occurs in many asteroid echinoderms
through splitting of the central disk. This type of reproduction is analogous to growth in humans because relies on the process of
Answer:
mitosis
Explanation:
.
Analogous features are often referred as features performing a similar function but having a different evolutionary origin, such as the wings of insects and birds.
This type of reproduction is analogous to growth in humans because it relies on the process of mitosis.
Mitosis in human is an avenue for growth. It is a cell division process that also ensures growth through multiplication of cells. The cell itself divides to give rise to two daughter cells containing identical components.
Learn more about analogous process: https://brainly.com/question/908450
The equation below represents a biological process. Where is this process completed?
carbon dioxide + water glucose + oxygen
Question 2 options:
mitochondria
ribosomes
cell membranes
chloroplasts
Answer:
The equation represents a biological process that is Photosynthesis. This process is done by plant cell in their chloroplast.
Expanation:
Plants contain Chlorophyll Pigment that helps in the process of photosynthesis( a biological process through which plants can produce their own food with the help of sun light, Carbon dioxide and water and form glucose and oxygen).
This process takes place in chloroplast which contain double membrane with many folds. The double membrane encloses a structure called thylakoid that contain pigment chlorophyll. The function of chloroplast is to capture light that is required in the process of photosynthesis.
The process of converting carbon dioxide and water to glucose and oxygen using light energy, or photosynthesis, occurs in the chloroplasts of green plant cells.
Explanation:The process of converting carbon dioxide and water into glucose and oxygen is called photosynthesis. This process takes place in the chloroplasts of green plant cells. Chloroplasts contain the pigment chlorophyll, which absorbs light energy from the sun, and utilize this energy to facilitate the production of glucose and oxygen from carbon dioxide and water.
Learn more about photosynthesis here:https://brainly.com/question/29764662
#SPJ11
According to the text, what happens when organisms cannot adapt to changes in their environment?
A. They move to another environment.
B. They risk dying out.
C. Nothing happens.
D. They wait for the environment to change again.
Answer:
The correct options are A) They move to another environment.
B) They risk dying out.
Explanation:
According to natural selection, only those organisms are able to live and survive in an environment which can adapt to the changes in an environment. Such organisms reproduce and pass on their characteristics to their offsprings.
Organisms which are not able to adapt to changes in an environment either migrate to other places or die as they are not able to survive by the changes being made.
If organisms can't adapt to environmental changes, they risk dying out, which can lead to extinction. Adaptation is key for maintaining internal stability and handling external changes.
Explanation:When organisms cannot adapt to changes in their environment, they risk dying out. The inability to adapt may lead to extinction, as has happened with the majority of species in evolutionary history. Adaptation is crucial for survival because it enables organisms to maintain their internal environments and respond to external changes. If a species develops a disadvantageous mutation, competing species that remain unchanged could become relatively better adapted without any change on their part. This concept reflects the importance of continuous adaptation just to maintain a species relative standing in its ecosystem.
What have the development in the history of metagnonmics contributed to our understanding of?
Answer:
metagenomics offers a powerful lens for viewing the microbial world that has the potential to revolutionize understanding of the entire living of the world
Explanation:
example on plant that make flowers
Answer:
plants make flowers
Explanation:
Consuming even moderate amounts of alcohol can cause drunkenness and to do what to
the body
Even moderate alcohol consumption causes dis-balance in movement.
Explanation:
The alcohol consumption causes severe ill effects on brain, liver and other body parts.
It can lead to memory loss and intelligence loss. It disturbs the coordination of signalling of the brain to the body. The most affected part of the brain would be cerebellum even in moderate drinking which is the centre of balance and movement in the body.
The liver will be the most affected organ in the body.
Answer:
not enliven so it's probably poison
Explanation: I'm not 100% sure
what’s an independent and dependent variable
Answer:Independent Variable
A variable that you (the scientist) changes and you have control over. The factor being tested in an experiment.
Dependent Variables
Factor(s) that change in response to other factors. It's what your measuring in your experiment to see whether or not the independent variable made an impact. This is what the scientist focuses their observations.
Explanation:
Answer:
one is control in scientific experiment while the other is being tested
Explanation:
The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.
Global air circulation cells move air _____.
A) from the equator to the poles
B)
clockwise in the Northern hemisphere and counterclockwise in the Southern hemisphere.
C) randomly
D)
from low pressure to high pressure
E)
in different directions at different latitudes
Global air circulation cells move air "clockwise in the Northern hemisphere and counterclockwise in the Southern hemisphere".
Answer: Option B
Explanation:
Global circulation is defined as the global connection of winds, through which the requisite heat transport from tropical latitudes to polar latitudes carried out. Each hemisphere comprises with three cells, such as Hadley, Ferrel and Polar cell, air circulation take place in this through the complete depth of the troposphere.
The worldwide circulation cells allow passage of air in clockwise pattern in the northern hemisphere while in southern hemisphere circulate in counter-clockwise pattern from equator to poles but in different directions and at different latitudes.
Answer::::::::::::::::::::
B
Describes the interactions that occur among systems are perform the functions of transportation response and reproduction in plants
Transportation system is maintained by xylem and phloem, response is maintained by endocrine system, and sexual reproduction is maintained by flowers and seeds.
Explanation:All the systems in plants are very well collaborated with each other, and the response between each one of them results in effecting other systems. The transportation system of plants consists of xylem and phloem. This tissues grow and flourish due to endocrine system. The auxin, cytokinin, and the gibberellin has direct effects on the growth of the plant tissues.
Now the plant reproduction i.e flowering and seed formation are also dependent on the endocrine system. Auxin is responsible for bud formation. So each and every system is dependent on each other for their flourishing.
Final answer:
The interconnected systems of plant transport, response, and reproduction are integral for plant functionality. The vascular system, including xylem and phloem, is crucial for distributing water and nutrients, while the shoot and root systems play essential roles in growth and absorption. Inter-species interactions contribute to plant reproduction and species propagation.
Explanation:
The interactions among plant systems such as the transport, response, and reproduction systems enable plants to function effectively in their environments. The vascular system, consisting of xylem and phloem, plays a crucial role in transporting water, nutrients, and photosynthates throughout the plant. The xylem primarily moves water and minerals from the roots to the rest of the plant, while the phloem distributes sugars produced during photosynthesis to all parts of the plant, including the roots.
Plant organ systems consist of a shoot system for above-ground growth and a root system for water and mineral absorption. Within these systems, individual organs such as leaves, stems, and roots work together to perform essential functions including photosynthesis, respiration, and nutrient transport. During reproduction, plants also interact with other species, such as pollinators and animals that disperse seeds, which are necessary for the continuation of plant species.
These interactions illustrate the concept that structure relates to function within biological systems. By understanding how systems like water potential and features like plant roots and leaves are adapted for their roles, we gain insight into the complex properties that arise from interactions within these biological systems.
Wildebeest and red-billed quelea engage in resource partitioning, where each uses a different
part of the grass. Explain how this works.
Answer:
In an environment where resources such as food are being depleted, organisms within a species and organisms belonging to different species need to find a way in which they can coexist and survive in the environment. This is done by the organisms so in order to avoid competition. Resource partitioning is a method that organisms use for survival by dividing their resources so that there is lesser competition.
The wildebeest and the red-billed quelea are also using this phenomenon in order to survive. They have divided their part of the grass so that there is lesser competition and both of the species are able to coexist.
What happens if the enzyme temperature was decreased.
Answer:
enzymes died slowly when temperature reduces
The Robinsons are out sailing on a Saturday afternoon. Their boat is located at position X on this map. They didn’t check the weather forecast before they left and they need your help. Complete the sentences to describe the weather trends on the map.
The Robinsons are sailing in a region of relatively blank (1) pressure. The weather front located closest to the family is blank (2) front. Based on their current location, the Robinsons should expect the weather to include blank (3).
1- low, high, stable
2- an occluded, a stationary, a warm
3- a light breeze and pleasant conditions, intense sunlight and heat, heavy rain and strong wind
HELP more points
1 - High
2 - Occluded
3- a light breeze and pleasant conditions,
The Robinsons are sailing in a region of relatively blank HIGH pressure. The weather front located closest to the family is blank OCCLUDED front. Based on their current location, the Robinsons should expect the weather to include blank A LIGHT BREEZE AND PLEASANT CONDITIONS.
Explanation:
The lines on the map are isoclines that join areas of the same atmospheric pressure. When they are close together, this means the area is a high-pressure system. High-pressure systems cause winds to move from the region to region of low pressure.
Therefore areas of the high-pressure systems are characterized by the following weather conditions, light breeze, clear skies because they push clods away. In addition, the region is characterized by a larger temperature range between night and day.
Learn More:
https://brainly.com/question/14309597
https://brainly.com/question/3583625
#LearnWithBrainly
Answer:
Low
an occluded
heavy rainstorms and strong winds
Human beings are most capable of survival at an internal temperature of about 37 degrees Celsius. However , the temperature outside is rarely exactly 37 degrees Celsius
Humans have a system of homeostasis inside their body which helps maintain temperature accordingly.
Explanation:
Human body is blessed with full-fledged thermoregulatory system inside it to sustain the temperature change in the environment.
Homeostasis can be defined as a tendency of the human body to maintain constant temperature inside in comparision to the environment temperature.
Blood helps human beings maintain homeostasis by vasoconstriction or vasodilation of the blood vessels.
The heat is lost in high temperatures by sweating resulting in maintenance of body temperature.
The waste material released is ejected to maintain temperature.
Answer:
reduce heat production and release sweat
Explanation:
study island
Why do bird embryos have gill slits?
(I’m confused, I think it has something to do with the evolution...)
Explanation:
bird embryos have gill slits because, yes, of evolution. These slits are found in the embryos of all vertebrates because they share as common ancestors the fish in which these structures first evolved. even human beings have gill slits as embryos that disappear before birth.
Which is one of the bases found in DNA?
O
A. Adenine
O
B. Serine
O
c. Huanine
O
D. Polymine
Final answer:
Adenine is one of the bases found in DNA, pairing with thymine to form part of the DNA structure through hydrogen bonding.
Explanation:
One of the bases found in DNA is adenine (A). Adenine is one of the four nitrogenous bases in DNA, along with thymine (T), cytosine (C), and guanine (G). These bases pair up to form the rungs of the DNA ladder, with adenine pairing specifically with thymine through hydrogen bonds. The structure of DNA is stabilized by these complementary base pairings, and any change in these pairings, such as an adenine replacing a cytosine, could potentially alter the DNA structure and thus the genetic information it carries. In the context of nucleic acids, these bases are attached to a deoxyribose sugar and a phosphate group to form a nucleotide.
The number of covalent bonds that an atom tends to form is equal to:
A: the number of valence electrons.
B: the number of unbalanced neutrons.
C: the number of unpaired electrons.
D: the atomic number.
E: the number of nearby atoms.
The number of covalent bonds that an atom tends to form is equal to the number of valence electrons.
Explanation:
Covalent bonds are formed between non-metals by sharing of the equal number of valence electrons between the two atoms. The valence electrons are the number of electrons in the outermost shell of the atom. These valence electrons share between the atoms and from bonds. eg. are NH3 and H2.
The sharing of valence electrons complete the octet rule and covalent bonds are formed.
Which of the following is true of an isobaric process
A. Temperature is constant.
B.Q = -u
C. Pressure is constant.
D. W = PV
Answer:
Pressure is constant & W= PV
Explanation:
If you lookat this picture.You can see that temperature is changed...that means internal energy is changed.And you can see pressure is 2atm always...
and also because the volume is incresed we can calculate the work using
W=p∆v
W=2atm*1m^3
So that equation is also true for this system.
Final answer:
The true statement about an isobaric process is that pressure remains constant. It is a thermodynamic process characterized by constant pressure throughout the process.
Explanation:
The correct answer to the question is C. Pressure is constant. An isobaric process is a thermodynamic process during which the pressure remains constant. Thus, when a gas undergoes an isobaric process and does work on a piston, as in Figure 1, the work done by the gas can be represented by the equation W = PΔV, where P is the constant pressure and ΔV is the change in volume of the gas. This process should not be confused with an isothermal process, where temperature remains constant, or an adiabatic process, where no heat is transferred between the system and its surroundings.