Answer:
Which of the following is an example of conduction?
a metal spoon becomes warm when placed in a cup of hot tea
Explanation:
Answer: D, a metal spoon becomes warm when placed in a cup of hot tea.
Explanation: Conduction is the transfer of energy through matter from particle to particle. It is the transfer and distribution of heat energy from atom to atom within a substance. For example, a spoon in a cup of hot soup becomes warmer because the heat from the soup is conducted along the spoon.
Where are the chemicals secreted by the endocrine glands released into?
Answer:
directly in to the blood.
Explanation:
Answer:
they are directly released to the blood.
Explanation:
as endocrine secret hormones known as chemical messenger so they are directly mixed with blood .furthermore they also lack duct.
The evolutionary perspective on mate selection claims that males and females differ in preferences of mate selection
primarily due to the
A hormone compositions of each gender
B. societal expectations and restrictions of each gender
C. difference in innate social capabilities
D. difference each gender displays in attraction cues
Answer:
B. societal expectations and restrictions of each gender
Explanation:
Just had this question on Edge and got it right :)
According To the fossil record which of these evolved after amphibians
Help pls..... 14 to 18 :c
Answer:
15-c, 16-c, 17-roans, 18-c
Explanation:
!'m not sure why they are all c, but i believe they are all correct.
please help me as soon as possible
what is Chromatid?
what is genome?
Answer:
Chromatids are the two different halves that compose the chromosome and contain the information that will later be translated into your genome.
Genome is all of the hereditary information that a human being carried.
environmental change can cause common trait in a population to change over time through the process of ____?
Answer:
the answer is evolution i believe
Explanation:
After cytokinesis, how many cells have been formed from the parent cell?
Answer:
At the end of meiosis and cytokinesis, four haploid cells are produced from a single diploid cell. These haploid daughter cells have half the number of chromosomes as the parent cell and are not genetically identical to the parent cell.
Explanation:
Which process and product are represented in Diagram 2?
A. Process: replication
Products: tRNA
B. Process: recombination
Product: polymerase
C. Process: translation
Product: protein
D. Process: transcription
Product: mRNA
Answer:
D
Explanation:
Making a copy of the DNA sequence of a gene in RNA is the aim of transcription. Thus, option D is correct.
What importance of transcription process in gene regulation?A crucial biological mechanism known as transcriptional regulation enables a cell or an organism to respond to a variety of intra- and extracellular inputs.
To determine a cell's identity throughout development, to maintain it over the course of its existence, and to coordinate cellular activity.
RNA polymerase connects to a promoter sequence close to the start of a gene to start transcription (directly or through helper proteins).
A new, complementary RNA molecule is created by RNA polymerase using a template from one of the DNA strands (the template strand).
Therefore, Process: transcription Product: mRNA
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what is the primary purpose of the chromosomes in a cells nucleus?
Answer:
They are made of protein and one molecule of deoxyribonucleic acid (DNA). As the genetic material passes from parents to child, the chromosomes are responsible for containing the instructions that make the offspring unique while still carrying traits from the parent.
The primary function of chromosomes lies in the fact that; DNA is tightly packaged within them.
Discussion:
Chromosomes are thread-like biological structures within which DNA is tightly packaged in the nucleus.
Chromosomes help ensure that DNA is replicated and distributed appropriately during cell division.
Each chromosome has a centromere, which divides the chromosome into two portions.
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All living organisms are classified into one of three domains: Bacteria, Archaea, and Eukarya. Organisms in the domianns Bacteria and Archaea have which of the following in common?A:They are eukaryotic.B:They are multicellular,C:They are prokaryotic.D:They are heterotrophic.
Answer:
The correct answer is C. :)
Explanation:
When new areas are being developed, nearby homeowners may notice an influx of displaced animals to their yards. How do these displaced animals disrupt the ecosystem of the residential yards?
Answer: The correct answer is: They compete with already present animals for sources of food.
Hope this helps! :)
Explanation:
1. What is the advantage of using a patient's stem cells to make organ to replace the patient's failed
organ?
Answer:
Answered below
Explanation:
Collecting a patient's stem cells and using them for their treatment is known referred to as autologous stem cell transplantation. In autologous stem cell transplantation, stem cells are harvested in the patient's bloodstream or the bone marrow and used to treat or grow organs for the patient.
Using stem cells harvested from your own body is advantageous over stem cells collected from a donor. This is because the case of incompatibility is eliminated. There is also less risk of rejection of organ or graft versus host disorder, where the donor cells attack the host cells thinking they are foreign bodies.
There are fewer side effects and quicker engraftment and therefore quicker recovery.
Answer:
This is because it prevents organ rejection during transplant. so far the new organs share the same stem cells with the patient.. ;like cells, like tissues will not give rise to immune response which usually lead to rejection.
It also saves time, and ensures survival since there is no need to wait for a compatible donor, before the transplant can be possible.
Explanation:
Why does a population that experiences exponential growth have a high chance of having a population crash?
Please help I need to turn in my work By the end of the day
Answer:
The resources (food and water) needed for a species to survive may not be being produced at the same rate the population is growing. This could lead to starvation and death in the form of a population crash. Example: too many coyotes being born when there is not enough rabbits for them to eat.
What are three matrices in which organisms may become fossilized?
Answer:
Ice, Amber, and Tar
Explanation:
The three matrices in which organisms may become fossilized are sandstone
, shale and limestone matrix.
These matrices are factors which determine if organisms may become
fossilized. The sandstone matrix involves organisms being embedded in
sand grains which may later form fossils.
The limestone and shale matrix involves the organisms being embedded in
carbonate mud and presence of gas such as methane respectively.
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What can explain the presence of a rock layer with no fossils between rock layers with different types of fossils?
Answer:
The environments in which one rock layer forms and an adjacent later layer forms may be very different from one another. Climates change, sea level rise causes inundation of formerly dry ground, and areas that were once were wet and warm later become dry, or freezing cold, or blazing hot.
Explanation: happy to help you 6th graders :)
Which of the following is most often associated with centripetal
acceleration?
O
A. A change in direction
O
B. Constant velocity
C. An increase in speed
O
D. A decrease in speed
Answer:
b
Explanation:
32 POINTS! During the Industrial Revolution, explain what caused the population of light-colored peppered moths to decrease and the population of dark-colored peppered moths to increase over time. Be sure to include how the ability to survive and reproduce impacts the process of natural selection.
Answer:
Ive done this before light colored pepered moths decreased over time because the forest turned to a darker color so in natural selection it turned dark and the made it live longer
Explanation:
As a car is slowed, most of its kinetic energy is converted by the brakes to:
O
potential energy.
O
electrical energy
O
thermal energy
O
chemical energy
When a car is slowed, the kinetic energy is primarily converted to thermal energy due to the friction between the brakes and the wheels. However, in hybrid vehicles, some of this energy can also be converted into electrical energy and stored in batteries.
Explanation:As a car is slowed, most of its kinetic energy is converted by the brakes to thermal energy. This occurs because the brakes use friction to reduce the car's speed, transforming the motion energy into heat energy. This is apparent when after a car is brought to a stop, the brakes can become very hot. This heat is a form of dissipated energy and is no longer available to do mechanical work, such as moving the car.
In the case of hybrid vehicles, this concept is further utilized, where the brakes convert mechanical energy into electrical energy, which is then stored in the battery.
Which gas is not produced by volcanic eruptions?
Answer:
Methane
Explanation:
as part of the cell cycle a cell produces new daughter cells that are identical to the original cell. during which phase are the two daughter cells physically separated
Answer:
Cytokinesis is a phase in which two daughter cells are separated from one another.
Explanation:
Cytokinesis is a phase in which cytoplasm of the cell is divided into two equal parts after the cell division i. e. mitosis or meiosis. Cytoplasm is a main part of the cell which contains different organelles of the cell such as mitochondria, ribosome, endoplasmic reticulum, golgi bodies, lysosomes and vacuole etc. It also contains nutrients, enzymes and water in large amount.
Final answer:
The two daughter cells are physically separated during cytokinesis, which is the final step of the mitotic phase of the cell cycle.
Explanation:
During which phase are the two daughter cells physically separated? This occurs in the mitotic phase of the cell cycle. Specifically, the physical separation of the two new daughter cells is completed during cytokinesis. First, mitosis divides the duplicated DNA into two sets and distributes them into separate nuclei. Following this, cytokinesis divides the cytoplasm, resulting in two new cells that are genetically identical to the original cell. It's important to note that while mitosis (karyokinesis) occurs in the mitotic phase, cytokinesis can sometimes take place independently, leading to cells with multiple nuclei (multinucleate cells) when cytokinesis does not occur.
A geologist is studying a massive rock outcrop. The texture of the rock is coarse-grained with large round grains. The geologist determines that the rock probably formed when lava cooled on Earth’s surface.
What type of rock has the geologist identified?
Answer: Igneous Rocks
Explanation:
Igneous rocks are those that solidify from a molten or partially molten state. These rocks are characterized as either extrusive or intrusive.
Answer:A
Explanation:
Ingeous
which process moves water molecules across the membrane of the cell?
How do insects help a plant to reproduce?
Answer: insects helps plants reproduction through pollution, which further leads to fertilization, flower and seed production.
Explanation:
Answer: Many flowering plants have separate male and female flowers. Therefore, they need help transferring the pollen from one flower to another, so they rely on pollinators to help with pollination. A pollinator is an animal, such as an insect or a bird, that transfers pollen from flower to flower. Plants have flowers that attract pollinators in many ways. They produce nectar that birds such as hummingbirds eat. They have bright colors, "nectar guides,” and patterns that look like bull’s-eyes to guide insects, such as bees, into the flower. Once the animal is inside the flower, it gets covered with sticky grains of pollen. As the animal moves from flower to flower, pollen brushes off onto the stigmas of other flowers. Fertilization can then occur to produce seeds.
Explanation:
What might be one limitation of using a greenhouse as a model to represent a large farm?
A greenhouse is a controlled environment, and a large farm is not.
A greenhouse is not exposed to the same weather patterns as a large farm.
A greenhouse has a water system that can be controlled by the farmer
A greenhouse has more pests than a large farm.
Answer:
A greenhouse is a controlled environment, and a large farm is not.
A greenhouse is not exposed to the same weather patterns as a large farm.
Answer:
B.
Explanation:
Just took the test.
This is for future students that are seeking the answer for this question as you asked this question 3 weeks ago.
What is the relationship between natural selection and adaptations?
Question 1 options:
Adaptations and natural selection are separate processes and not related
Natural selection occurs as a result of adaptations within a population
Natural selection is the process leading up to adaptations in a population
Natural selection and adaptations are actually the same thing
The relationship between natural selection and adaptations is natural selection is the process leading up to adaptations in a population.
What do you mean by natural selection and adaptations?The mechanism that makes it more likely that future generations will have advantageous traits is known as natural selection. The trait that adapts to the environment is called adaptation.
The possibility of regular choice is that characteristics that can be passed down permit creatures to adjust to the climate better than different organic entities of similar species.
Many finches perished because their smaller beaks were unable to crack the tough seeds. Through the course of regular determination, the birds that had the option to adjust replicated and flourished, while the others dwindled in number.
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What best explains the graph shown below?
A. Temperature are dropping because greenhouse gasses are high and increasing
B. Temperatures are dropping because greenhouse gasses are high and constant
C. Temperatures are dropping because greenhouse gases are low and constant
D. Temperatures are dropping because greenhouse gasses are low and decreasing
Answer:
The answer is C
C. Temperatures are dropping because greenhouse gases are low and constant
Explanation:
I took the test and got it correct
C. Temperatures are dropping because greenhouse gases are low and constant.
Temperatures drops due to lowering constantly of greenhouse gases in the atmosphere. Greenhouse gases has the ability of trapping solar radiation after reflecting the earth surface. This trapping increases the temperature of the surrounding environment so if the temperature decreases it is due to lowering of greenhouse gases so we can conclude that temperatures are dropping due to lowering of greenhouse gases.
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What is small a cell or an atom?
Answer:
Atoms or smaller than a cell
Explanation:
cells are bigger than atoms
Atom is a basic unit of things in the universe. Atoms consists of subatomic particles such as electron, proton and neutron. Hydrogen Atom, the smallest of all have a diameter of approximately 1.06 10^-10 m Cell is a basic unit of life.
An exotic pet distributor finds out there are people who would love to own 1 point
a small elephant as a pet. He contacts all of the zoos in the world and finds
a group of elephants that are naturally smaller than average. The pet
distributor breedls the smallest of the elephants, and then chooses the
smallest babies to breed, and again chooses the smallest of their offspring,
until after many generations he has a bred of dog-sized elephants - which
he now sells for $100.000 per animal. This is an example of...
Answer:
Selective Breeding
Explanation:
Selective breeding is a process where to get the best result, you breed the best children. By breeding the smallest babies together again and again slowly the children will become smaller and smaller as the parents get smaller and smaller
I hope this helps u!
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The process described in the question is selective breeding, used to create dog-sized elephants for the exotic pet trade. While it might fulfill certain human desires for unique pets, this practice raises significant ethical, health, and biodiversity concerns.
Explanation:The scenario described involves a process known as selective breeding or artificial selection, where certain traits, in this case, smaller size, are chosen to be passed on to future generations. This methodology has been used in creating various miniaturized pet breeds such as "teacup" dogs, which are known for being small enough to fit in a pocket. However, the process of achieving extreme miniaturization comes with a myriad of health risks, including but not limited to collapsing tracheas, heart defects, and dental problems. The case of breeding dog-sized elephants for the exotic pet trade raises ethical concerns, not only due to the health issues associated with selective breeding but also because of the impact on biodiversity and the implications of wild animal trade.
Exotic pets, especially those taken from wild populations, contribute to biodiversity loss and can be at high risk of extinction, which is magnified by the demand in the pet trade.
How fast are the plates still moving today?
A. 1 inch/year
B. 5 feet/year
C. 5 inches/year
D. 5 miles/year
Please answer I will mark brainliest!!!
Answer:
A
Explanation:
The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other. They move at a rate of one to two inches (three to five centimeters) per year.