Answer:
Phloem is the vascular tissue responsible for the transport of sugars from source tissues
what are the steps of creating a DNA profile
Answer:
The DNA testing process is comprised of four main steps, including extraction, quantitation, amplification, and capillary electrophoresis.
Explanation:
1. Separate white and red blood cells with a centrifuge.
2. Extract DNA nuclei from the white blood cells. ...
3. Cut DNA strand into fragments using a restriction enzyme.
4. Place fragments into one end of a bed of agarose gel with electrodes in it. 5. Use an electric current to sort the DNA segments by length.
What kind of mutation would lead to an increase in the expression, or inappropriate expression, of a gene?.
Answer: A mutation that lowers the efficiency of a repressor of said gene
Explanation:
I hope this helps :D
An organism that uses CO2 for its carbon needs and sunlight for its energy needs would be called a/an
Answer:
Heterotroph
Explanation:
A heterotroph is an organism that ingests or absorbs organic carbon in order to be able to produce energy and synthesize compounds to maintain its life.
I think this is the answer. It may be autotroph if im wrong.
What pigment, only present in plants, makes photosynthesis possible?.
Answer: chlorophyll
Explanation: This is only found in plants. It is also used in photosynthesis.
How many fish are in this pond?
Answer: One
Explanation: The only fish that I see is in the question that you just asked.
How many fish are in this pond?
Well, 1.. There's no attached image.. So I'm not sure.
But 2, It's probably 69 fish in there. ;)
a population is all members of one species living in particular
Answer:
area
Explanation:
It could also be environment depending on your schooling.
Hope that helps!
Answer:
area
Explanation:
i dont know i dont care
What type of biological molecule is this?
protein
nucleic acid
lipid
carbohydrate
Answer:
Lipid
Explanation:
lipids are comprised of a glycerol and three fatty acid tails.
Answer:
lipid
- the fatty acids are bonded to a glycerol signifying as a lipid
Which of the following best describes the function of the brain?
A.
It provides the body with direction one needs to walk.
B.
It provides the cranial nerves with impulses.
C.
It provides the interpretative power that dictates how to behave.
D.
It provides the knowledge needed to think.
Answer:
C. It provides the interpretative power that dictates how to behave.
Explanation:
What kind of cell is this?
.
animal
plant
Answer:
correct its animal cell
Explanation:
believe in yourself, hope this helps:)
In telophase II, ______ _____________ daughter cells are being formed. They are called ___________________.
In telophase II, 4 daughter cells are being formed. They are called haploid occur in meiosis II.
What is meiosis ?
Meiosis is the process where a single cell divides twice to produce four four haploid daughter cells which are otherwise called as gametes; It can occur in two substages such as meiosis I and meiosis II.
Meiosis I consist of substages like Prophase I where nuclear envelope disintegrates, Chromosomes begin to condense, Spindle fibers appear.
Secondly Prometaphase I where Spindle fibers attach to the centromere followed by Metaphase I.
The homologous chromosomes align at the equatorial plate, Anaphase I where he homologous chromosomes move towards the opposite poles.
Telophase I where Spindle fibers disappear, Cytokinesis I where the cytoplasm and the cell division result in 2 non-identical haploid daughter cells. same events are occurred in meiosis II.
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In which form of reproduction is a slow reproduction process a disadvantage?
Answer:
S/reproduction occurs in many eukaryotic organisms but has the disadvantage of being a slower form of reproduction. The advantage of this form of reproduction is that genetic variation is introduced, which has a selective advantage in environments that may change.
Explanation:
NASA's Apollo mission in Kennedy Space Center, Florida, ended in 1972. Which of these was the most likely consequence of the end of the Apollo mission in Florida? increase in unemployment among local people decrease in the use of space technology in the location establishment of many restaurants and shops in the vicinity increase in profit made by local housing and construction industry
Answer: establishment of many restaurants and shops in the vicinity
People realized that NASA was going to later launch more rockets and spacecraft, so many restaurants and shops were created for buisness.
Hope this helps you!
what ions are more concentrated inside the cell than the outside?
Answer:
ions concentrate inside than the cell outside
Explanation:
When the membrane is at rest, are the sodium ions more concentrated inside the cell or outside? Where are the potassium ions more concentrated?
Sodium ions are more concentrated outside the cell, and potassium is more concentrated inside.
Sodium ions are more concentrated outside the cell, and potassium is more concentrated inside.
What are the functions of sodium ions?The Importance of Sodium in Biology Sodium ions are found primarily inside human cells, such as Nerve Cells. They are responsible for regulating the flow of water across the membrane. They are required for the transport of sugars and amino acids into the cells of an organism.
Sodium ions are required for the absorption of glucose and amino acids in the small intestine. These molecules are absorbed into the intestinal cells via co-transport channels that are driven by sodium ions.
When the cell membrane is depolarized by a few millivolts, sodium channels activate and inactivate within milliseconds. Influx of sodium ions through the integral membrane proteins comprising the channel depolarizes the membrane.
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Before DNA could definitively be shown to be the genetic material in cells, scientists had to show that it could
a. tolerate high temperature
b. carry and make copies of information
c. be modified in response to environmental conditions
d. be broken down into small subunits
Answer:
B
Explanation:
DNA can be carried and multiplied
Answer:
B) carry and make copies of information
Explanation:
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Coral reefs are beneficial to marine life. In what way does it show in the following instances?
1. provide rich sources of marine food
2. protect the coastal areas from strong waves
3. provide passage for strong currents to coastal areas
4. serve as a breeding ground of fishes and other forms of marine life
a. 1 and 2
b. 2 and 3
c. 1 and 4
d. 3 and 4
I think it's C ( 1 and 4)
Please mark as brainliest!
Answer: 2 and 3!
Explanation:
they serve more as shelter and a place to keep marine life safe rather than provide as rich sources of marine food.
2. they protect the coastal areas from strong waves and erosion
3. their protection provides a safe passage for the strong currents to coastal areas, moving them away.
Which statement is NOT true about chlorophyll?
1. It makes leaves green
2.it turns into glucose during photosynthesis
3.it absorbs light from the sun
4.it is found in the chloroplasts
This diagram shows the digestive system. Which of the following are true about its organs? The basic unit of life in all these organs is the cell. Each organ is made up of tissues. They must work together for a person to survive. Together they form an organ system.
please help
Answer:the basic unit of life in all these organs is the cell
Explanation:
The cell is the smallest part and (unit of structure) and the center of function in all living things
Which would be the best evidence that a cell is using active transport to move a substance across its cell membrane?
Α.
Substances are moving rapidly across the cell membrane.
B. ATP is being rapidly consumed near the cellular membrane,
C. Substances are moving from high to low concentrations.
D. Substances are moving through channels in the cell membrane
Answer:D. Substances are moving through channels in the cell membrane
Explanation:
In case of active transport, ATP is being rapidly consumed near the cellular membrane. Thus, the correct option is B.
What is Active transport?Active transport is the movement of molecules or ions across a cellular membrane from a region of its lower concentration to a region of its higher concentration against the concentration gradient of the molecules or ions. Active transport requires cellular energy to achieve this movement of molecules or ions. The cellular energy is supplied in the form of ATP (Adenosine triphosphate) molecules.
The transport of molecules occurs through transport proteins such as carrier proteins and channel proteins against the concentration gradient.
Therefore, the correct option is B.
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Several structures work together to allow flowering plants to reproduce. The diagram shows a typical flower. Which table correctly identifies the function of each structure or group of structures in the reproduction of the plant?.
According to the image, X is for attracting pollinators, Y is for the production of pollen, and Z is for the production of eggs
Parts and functions of flowersThe image shows the different parts of a typical flower.
X is a petal. Petals are usually colorful and serve to attract insect pollinators to flowers.
Y consists of the anther and the stigma. Both represent the male organ of the flower and produce the male gametes, otherwise known as pollens.
Z consists of the stigma, the style, and the ovary. They all represent the female reproductive organ of the flower. Pollen lands on the stigma, travels through the style, and reaches the ovary. The ovary houses the ovule or the eggs.
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Which of the following statements would best express cultural relativism? a. ""i don’t understand how they could deal with that gross food."" b. ""this is making my stomach upset just by watching."" c. ""i wonder why they decided to make food out of worm paste."" d. ""eating worms can't be nutritious.""
The best statement that expresses cultural relativism is "I wonder why they decided to make food out of worm paste.
What is Cultural relativism?Cultural relativism is the capability to comprehend a culture on its own terms and not to make conclusions using the standards of one's own culture. The purpose of this is to promote awareness of cultural traditions that are not normally part of one's own culture.
Thus, "I wonder why they decided to make food out of worm paste", expresses cultural relativism.
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What partial contributes almost no mass to an atom
Answer:
The number of electrons does not factor into the overall mass, because their mass is so small.
Explanation:
Because protons and neutrons each have a mass of 1, the mass of an atom is equal to the number of protons and neutrons of that atom.
Because of erosion over time, Location W on the topographic map will have the same elevation as Location X on the map.
How much will this erosion change the elevation at Location W, to the nearest meter?
Record your answer in the boxes below. Be sure to use the correct place value.
Answer:
9
Explanation:
The contour lines on this map are 20 units.
Location W is currently at 1349 units while X lies on the contour line for 1340.
To find change in elevation:
1349-1340=9 units
Why is it crucial that the daughter cells have identical copies of dna after replication?.
Answer:
Whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
Explanation:
The explanation is basically what I had for the answer.
Hope I gave the right answer. It would be wrong for you to have a wrong answer.
Where do scientists think the water on earth might have come from?.
Answer:
Most of the water indeed might have come from asteroids, but some portion of today's water must have come from the solar nebula.
Pitcher plant traps insects because it (a) is a heterotroph. (b) grows in soils which lack nitrogen. (c) does not have chlorophyll. (d) has a digestive system like human beings.
Answer:
Is a heterotroph
Explanation:
Nitrogen is a essential for plants growth so used in fertilizersPitcher plant eats other animals as it's a heterotroph and carnivorous.Compare a water molecule, H2O, to a hydrogen peroxide molecule, H2O2- Which statement is true?
OA. Water and hydrogen peroxide are made from different types of atoms, combined in the same way.
OB. Water and hydrogen peroxide are made from the same types of atoms combined in the same way.
OC. Water and hydrogen peroxide are made from the same types of atoms, but combine in different ways.
OD. Water and hydrogen peroxide are made from different types of atoms, combined in different ways.
Answer:
C, Water and hydrogen peroxide are made from the same types of atoms, but combine in different ways.
Explanation:
Water is H2O, also known as 2 hydrogen atoms and 1 oxygen atom. In Hydrogen peroxide, its 2 hydrogen atoms and 2 oxygen atoms. They both include the same atoms but in different formations.
Compare a water molecule, [tex]H2O[/tex], to a hydrogen peroxide molecule, [tex]H2O2-[/tex].The statement that is true is water and hydrogen peroxide are made from the same types of atoms, but combine in different ways. Thus, option C is correct.
What is water?Water is a compound made up of nitrogen and oxygen. It is an inorganic substance which is odorless as well as tasteless, and it is a trasnparent chemical substance and it is the main constituent of hydrosphere of earth.
The chemical formula of water is [tex]H2O[/tex] and its molar mass is 18.01528 g/mol with density 997 kg/m3. The boiling point of water is 100 degree celsius and melting point of water is 0 degree celsius.
The elements is defined as a substance which cannot be splitted into simpler form or components by any chemical reaction. An element is also known as atom's species that has a particular number of proton.
All the elements such as carbon, oxygen, and hydrogen found in ethanol but when they are seperated from ethanol they have totally different compound. They are pure element and [tex]ethanol[/tex] is a mixture.[tex]ethanol[/tex]
Therefore, Compare a water molecule, [tex]H2O[/tex], to a hydrogen peroxide molecule, [tex]H2O2-[/tex].The statement that is true is water and [tex]hydrogen[/tex][tex]peroxide[/tex] are made from the same types of atoms, but combine in different ways. Thus, option C is correct.
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marco needs to buy some cat food.At the nearest store, 3 bags of food cost 17.25$. How much would marco spend on 6 of cat food?
Answer: $ 34.5
Explanation: do it by simple unitary method
Bags. $
3. 17.25
6. X
cross multiply the both to get
3X = 6 x 17.25
3X = 103.5
X = 34.5
Hence, $ 34.5 would be spent in order to buy 6 bags of cat food.
What in the atmosphere returns to earth through the process of ___
Answer: The water cycle is the endless process that connects all of that water. It joins the Earth's oceans, land, and atmosphere. ... When molecules of water vapor return to liquid or solid form, they create cloud droplets that can fall back to Earth as rain or snow—a process called condensation.
Explanation:
Precipatation
Part B
Put the container in a well-ventilated area or a protected area outside (such as in a garage or a shed). Make sure that the temperature in the area you choose is above freezing (0°C or 32°F.) Check the container at the end of one week, and record any changes in the water level and the appearance of the leaves and twigs. Add another two-inch layer of wet sand on top of the leaves and twigs, and let it sit to dry for two weeks.
pls help ill give 50 pts
Answer:
Snow forms when the atmospheric temperature is at or below freezing (0 degrees Celsius or 32 degrees Fahrenheit) and there is a minimum amount of moisture in the air. If the ground temperature is at or below freezing, the snow will reach the ground.
Explanation:
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What type of symbiosis occurs when one organism benefits and the other is harmed?
Answer:
Parasitism
Explanation:
In this a parasite takes its food or other needs from the host but later harms the host too.Some examples like leeches who takes blood from our body but harms us tooParasitism is an ecological relationship between two organisms in which one organism benefits while the other organism suffers. It may also be a type of symbiosis.
The majority of microorganisms investigated in medical microbiology are parasitic and prey on human tissue. Parasitic microbes, for instanse, cause cholera, leishmaniasis, and giardia. Any relationship between two or more biological species is referred to as symbiosis. Such relationships are typically long-term and have a significant impact on one or both organisms' fitness. Benefits and physical characteristics distinguish symbiotic relationships. Mutualism, defined as a relationship in which both species benefit, is very common in nature. There are numerous examples of mutualistic bacteria in the abdomen that aid digestion in both humans and animals in microbiology. A commensal relationship is one in which one species benefits while the other is unaffected. Humans have a variety of commensal bacteria in their bodies that do not harm them but are necessary for survival, like when dead skin is consumed by bacteria.
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