9th grade biology. 10 pts
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The processes that transform inputs to outputs are what part of a system?
A. the surroundings
B. the components
C. the flow
D. the boundary
Answer:
(C) The flow
Explanation:
The processes that transform inputs into outputs are the flow part of the system that is presented in Option C, as the flow determines the efficiency and effectiveness of the system.
What is the significance of the flow in the system?The flow in the system has many implications, such as how it transforms inputs into outputs and it is a crucial part of a system, and it explains how the inputs are transformed and the output for the respective inputs. The flow affects the system's overall performance and helps manage the outcomes of the system by achieving its desired roles or functions.
Hence, the processes that transform inputs into outputs are the flow part of the system that is presented in Option C, as the flow determines the efficiency and effectiveness of the system.
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If the number of chromosomes in the mother cell of meiosis is 86, how many chromosomes will there be in each daughter cells?
(ASAP PLEASE)
why do we need to eat
A mature plant cell is different from a mature animal cell because the plant cell has?
Answer:
large central vacuole
Explanation:
mature plant cell contains large vacuoles while a animal cell has small vacuoles
A mature animal cell is different from a mature plant cell because of the plant cell has differentiation ability.
Mature plant cell can still divide and differentiate to produce a complete new plant.
The mature animal cells cannot differentiate into the other cells to produce all the different cells that can form a complete animal.
Therefore, A mature animal cell is different from a mature plant cell because of the plant cell has differentiation ability.
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Snow falling from the clouds has
potential energy
kinetic energy
Answer:
Kinetic Energy
Explanation:
What contribution to energy do carbohydrates make?
Answer:
Carbohydrates are the nutrients most frequently used as an energy source (containing 4kcal per gram), as they are fast-acting and turn into energy as soon as they are ingested. This energy powers the brain and body. The energy that powers the brain and body is generated when carbohydrates are broken down.
Explanation:
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What happens when a low air pressure system meets a high air pressure system? (2 points)
Group of answer choices
The temperature of the air drops to below freezing.
The air moves to the low pressure system, creating wind.
The precipitation is removed from the air.
The air starts blowing in an easterly direction.
Answer:
the air moves to the low pressure system creating wind
Explanation:
Answer: B
Explanation:
(GIVING BRAINLIEST!!)
What type of moisture does Colder air hold than hotter air?
Answer:
An oft-repeated water vapor myth is that warm air can “hold” more water vapor than cool air because as the air warms its molecules move farther apart, making room for more molecules.
Explanation:
:)
In a parallel circuit, there is only one path for current to take. Please select the best answer from the choices provided T F
Answer:
False.
Explanation:
A parallel circuit has more than one path for current flow. The number of current paths is determined by the number of load resistors connected in parallel. Total current in a parallel circuit is the sum of the individual branch currents.
Where in the world is HIV most prevalent?
Answer:
Explanation:
South Africa
Answer:
South Africa has the most people living with HIV
Explanation:
about 7.5 million
Fill in the sequence diagram below to summarize Mendel’s experimental process.
First box: Self-fertilization/self-pollination of F1 flowers
Second box: Determine F2 generation phenotypic ratios
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What materials do motor neurons need to survive and how do they get those materials?
Answer:
Neurons are made up of three major parts: a cell body, or soma, which contains the nucleus of the cell and keeps the cell alive; a branching tree like fiber known as the dendrite, which collects information from other cells and sends the information to the soma; and a long, segmented fiber known as the axon, which transmits information away from the cell body toward other neurons or to the muscles and glands.
When will a recessive trait be seen
in an organism?
A. when at least one recessive allele is present
B. when there is no recessive allele present
C. when there is no dominant allele present
Answer:
c
Explanation:
What are the sex chromosomes? Explain how it is shown in male and female; and karyotyping
Answer:
Females have two X chromosomes, while males have one X and one Y chromosome. A picture of all 46 chromosomes in their pairs is called a karyotype. A normal female karyotype is written 46, XX, and a normal male karyotype is written 46, XY.
Explanation:
Sex chromosomes are chromosomes which are responsible for sex determination. These are the X and Y chromosomes. Females have two X chromosomes and males have one X and one Y chromosome in their sex cells/gametes. Karyotyping is the visualization of chromosomes after blocking the cells in mitosis and staining; this allows us to identify the size, shape, and number of chromosomes present in cells, which is significant because extra, missing, or abnormal chromosomes can cause developmental problems or issues with body functions.
Why do States like Arizona have less potholes than New York?
Answer:
Because New York has way more sewer system's. In 1849, following a series of deadly cholera outbreaks, the city started building sewers. New York laid 70 miles of sewers between 1850 and 1855. It then expanded the sewer network throughout the city as it grew.
Explanation:
What is the process of water moving from an area of low solute
concentration to an area of high solute concentration?
Answer:
Osmosis
Explanation:
Answer:
it is osmosis
Explanation:
Osmosis is the process whereby water move from a region of lower concentration to a region of higher concentration across a semi-permeable membrane.
70 points! b) How do scientists make a person's genes fluoresce? (2 points)
Tundra is not a good growing environment for corn because: true or false
Explanation:
The Tundra is very cold climate so it would be hard to grow anything there such as corn
Give an example of a phenotype for your favorite animal: ___________.
Answer:
Dogs
Explanation:
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In general, how do many human activities influence the carbon cycle?
Answer:
Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. ... The ocean absorbs much of the carbon dioxide that is released from burning fossil fuels.
Explanation:
Carbon moves from the atmosphere to plants. ...
Carbon moves from plants to animals. ...
Carbon moves from plants and animals to soils. ...
Carbon moves from living things to the atmosphere. ...
Carbon moves from fossil fuels to the atmosphere when fuels are burned. ...
Carbon moves from the atmosphere to the oceans.
The Human Genome Project was begun in 1988 by scientists from 13
nations as a worldwide effort to understand the sequencing of all of the
DNA in the human body. What is one potential scientific benefit of this
research?
Answer:
The Human Genome Project was begun in 1988 by scientists from 13 nations as a worldwide effort to understand the sequencing of all of the DNA in the human body. What is one potential scientific benefit of this research? a. It will create communication between research centers
The Human Genome Project was begun in 1988 by scientists from 13 nations as a worldwide effort to understand the sequencing of all of the DNA in the human body potential scientific benefit of this researchar It will create communication between research centers.
What did the human genome project discover?The Human Genome Project specified the full set of human genes, sequenced them all, and finds some of the alleles, mainly those that can cause disease when they get altered.
Genes can be viewed relative to physical characters of the chromosome, or relative to other genes.
Thus, he Human Genome Project specified the full set of human genes, sequenced them all, and finds some of the alleles, mainly those that can cause disease when they get altered.
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23. Which of the following species is most likely to become extinct?
A. a species that is well adapted to its environment
B. a species that is losing its habitat due to deforestation
C. a species that has a great amount of genetic variation
D. a species that has a decreasing number of predators
Answer:
B. Is the answer. They are losing their habitat and therefore will be more likely to go extinct
Answer:
B). a species that is losing its habitat due to deforestation
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17 Some Birds with shorter beaks enter into a population of birds with much
longer beaks, resulting in the hatching of birds with in-between sized beaks.
Which No evolutionary mechanism are most likely responsible for this
scenario
A mutation and genetic drift
B natural selection and artificial selection
C gene flow and recombination of genes
D artificial selection and crossing over during melosis
The evolutionary mechanism that are most likely responsible for this scenario is:
C gene flow and recombination of genesAccording to the given question, some birds are said to have shorter beaks and when they mate with birds that have longer beaks, they produce offspring that have in-between size beaks.
The evolutionary mechanism that is in charge of this phenomenon is simply gene flow and recombination of genes. This is because there is a combination of genes from the parents and given to the offspring.
The shorter beaks and the longer beaks of the parents combined and the offspring got in-between beaks.
Therefore, the correct answer is option C
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if 10% of the nucleotides in a DNA molecule contain guanine, what percentage of the nucleotides contain each of the other three bases
Cytosine-
Adenine-
Thymine-
Answer:
Cytosine: 10%
Adenine: 40%
Thymine: 40%
Explanation:
So we know that Cytosine and Guanine are complementary and Adenine and Thymine are complementary.
Cytosine would be 10%
What's left is 80%, which would be divided by two because adenine and thymine have the same percents.
Adenine: 40%
Thymine: 40%
Which type of cell has free-flowing DNA? O Fungi O Prokaryotic O Eukaryotic O Protist
Answer: Prokaryotic cells have free flowing DNA. This DNA is in a circular shape and flows freely in the cytoplasm
Answer:Prokaryotic cells
Explanation:
Prokaryotic cells as well as bacteria have a free-floating chromosome that is normally circular and is not enclosed in a nuclear membrane instead The DNA simply lives in a region of the cell called a nucleoid.Prokaryotic cells only have a small range of organelles, normally only a plasma membrane and ribosomes
What is a Prokaryotic cell?
Prokaryotic cells comprise bacteria and archaea. They Normally have a diameter of 0.1–5 μm, and their DNA is not contained within a nucleus. alternatively , their DNA is circular and can be located in a region called the nucleoid, which floats in the cytoplasm
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-Tobie The dog
what is theory of to observe the neucles in cheek cells
Answer: The theory of cheek cells is used for the identification of cheek cells.
Explanation:
The cells of cheek do not have cell wall. They have a cell membrane which allows on certain molecules to pass through it. The nucleus is located centrally in the cheek cells and it stores the DNA. It can be stained with the help of the methylene blue reagent. It appears blue in color which can be observed under the microscope. The cheek cells can be isolated from the buccal cavity by using cotton buds and cotton swabs can help in isolating the cells.
answer please. will give brainliest
Answer:
I think it would be an organ! sorry if not
Plz help ASAP !!!!!!!!!
Answer:
Ohm = resistance
Ampere = current
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Explanation:
Green plants capture and store light energy from the Sun through the process of-
a) cell division
b) respiration
c) homeostasis
d) photosynthesis
Answer:
D photosynthesis
Explanation:
photosynthesis is what make the plant green