Answers
The hereditary material shown is a chromosome.
Chromosomes
What is a chromosomes ?
A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.
What is hereditary material ?
“hereditary” is something that is passed on from parent to offspring, or from a cell to the two new daughter cells during cell division. DNA contains genetic material and we get our genetic material passed on from your parents.
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Related Questions
Calcium and phosphorus are both essential for the proper growth of
a. bones
b. hair
C. fingernails
d. all of the above
Answers
Answer:
The real answer is A.
Explanation:
Calcium and phosphorus are both essential for the proper growth of Bones. So, the correct option is (A).
What are Bones?A bone is defined as the hard organ that forms part of the skeleton in most vertebrate animals and protects various other organs of the body that produce red and white blood cells, store minerals, provide structure and support for and enable mobility.
These come in a wide variety of shapes and sizes and have complex internal and external structures and are strong and rigid as well as being light weight and perform many functions.
Their functions include supporting the body's structure, protecting vital organs and allowing the body to move, and providing an environment for the bone marrow, where the body manufactures blood cells, and they store minerals, especially they act as storage areas for calcium. The skeleton accounts for about 15% of the body weight.
Thus, Calcium and phosphorus are both essential for the proper growth of Bones. So, the correct option is (A).
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Speed describes how fast an object moves. Speed is described by?
Answers
Answer:
Distance & Time
Explanation:
Speed is described by distance
Will Mark as Brainliest
The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase
Answers
Answer:
RNA polymerase is the enzyme involved in the transcription of RNA molecules.
What is the surface area of a cell?
A. the amount of DNA contained inside the cell
B. the amount of waste leaving the cell
C. the amount of workable space that the cell has
available for exchange
D. how many nutrients are needed in the cell
Answers
Answer:
C.
Explanation:
Here, surface area is the area of the outside of the cell, called the plasma membrane. The volume is how much space is inside the cell. The ratio is the surface area divided by the volume. This indicates how much surface area is available compared to how big the cell is.
Answer:
C. the amount of workable space that the cell has available for exchange.
Explanation:
The surface area of a cell is its plasma membrane, and it is where nutrients and wastes are exchanged.
A nerve that receives sensory information from the hip and leg and sends motor information to skeletal muscles in those same regions would _____________. Select all that apply.
A
possess an integrative function
B
help analyze the sensory information
C
include aspects of the brain and spinal cord
D
be part of the peripheral nervous system
E
consists of both afferent and efferent neurons
Answers
A nerve that receives sensory information from the hip and leg and sends motor information to skeletal muscles in those same regions would include aspects of the brain and spinal cord (C) be part of the peripheral nervous system (D).
What is the type of nerve that provides signals to and from the skeletal muscles?The somatic motor division carries signals to the skeletal muscles. The visceral motor division, also known as the autonomic nervous system, carries signals to glands, cardiac muscle, and smooth muscle. It can be further divided into the sympathetic and parasympathetic divisions.Somatic MNs was part of skeletal muscles. Somatic MNs are located in the Rexed lamina IX in the brainstem and the spinal cord and innervate skeletal muscles responsible for movements.Learn more about sensory information here: brainly.com/question/12905100
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HELP PLEASE NOW !! Which statement correctly describes the pH of water? (1 point)
The pH of water increases as its temperature increases.
The pH of water is neutral.
Water has a high pH.
Water is basic and has a pH of 0
Answers
Answer:
The pH of water is neutral.
Explanation:
It is neutral because the concentration of hydronium ions equals that of hydroxide ions. It is higher than the pH of acids and lower than the pH of bases.
Which of the following can be used to detect the location of DNA bands in a gel after electrophoresis?
Answers
SyBr green can be used to detect the location of DNA bands in a gel after electrophoresis.
What is SYBR Green I used for?
SYBR Green I is a commonly used fluorescent dye (asymmetrical cyanine dye) that binds double-stranded DNA molecules by intercalating between the DNA bases. It is used to visualise DNA in gel electrophoresis and in quantitative PCR because the fluorescence can be measured at the end of each amplification cycle to determine, relatively or absolutely, how much DNA has been amplified.
Gel electrophoresis is a method used to separate mixtures of DNA, RNA, or proteins according to molecular size. In it, the molecules to be separated are pushed by an electrical field through a gel that contains small pores. When an electric current is applied to the gel, DNA will migrate towards the positively charged electrode because DNA is negatively charged. Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.
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Which of the following is true about the Calvin cycle?
Rubisco fixes O2 to a carbohydrate molecule.
Both ATP and NADPH are needed to make sugars.
Light energy is converted to chemical energy.
Answers
Answer:
Both ATP and NADPH are needed to make sugars
The true statement about the Calvin cycle is: Both ATP and NADPH are needed to make sugars.
CALVIN CYCLE:
The Calvin cycle is also known as light independent reactions or dark reaction of photosynthesis. It is the second stage of the photosynthetic process where glucose is synthesized. The Calvin cycle makes use of the products of the light dependent reaction namely: ATP and NADPH.ATP and NADPH are used to synthesize glucose molecule. In the process of Calvin cycle, carbon dioxide (CO2) is fixed and not oxygen. Therefore, the true statement about the Calvin cycle is: Both ATP and NADPH are needed to make sugars.Learn more at: https://brainly.com/question/3199721?referrer=searchResults
Describe the mechanism of glycolysis in detail
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The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
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Prokaryotic cells regulate their protein synthesis through a set of genes called
Answers
Answer:
genes turn of during this stage
Explanation:
most regulatory proteins are negative therefore they turn Gene's off
Which is part of the cell theory
Answers
Answer:
The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. These parts were based on a conclusion made by Schwann and Matthias Schleiden in 1838, after comparing their observations of plant and animal cells.
Explanation:
if IT helped uh please mark me A BRAINLIEST :))Since invasive species did not co-evolve with the other species in the ecosystem where they were introduced _______.
a.
they can unbalance the ecosystem
b.
they are considered a serious environmental problem
c.
they lack natural predators to help control their population
d.
all of the above
Answers
The correct option for the statement, Since invasive species did not co-evolve with the other species in the ecosystem where they were introduced is, all of the above.
What are Invasive species?Any living thing that is not naturally occurring in an environment and poses a threat to it qualifies as an invasive species, including plants, animals, insects, fish, fungi, bacteria, and even an organism's seeds or eggs. They may damage the business, the environment, or even public health. The term "invasive" is used to describe species that have the potential to harm humans, spread aggressively, and develop rapidly and reproducibly.
An invading species need not originate from abroad. For instance, although lake trout are native to the Great Lakes, Yellowstone Lake in Wyoming considers them to be an invasive species because they fight with the local cutthroat trout for the same habitat.
What is an Ecosystem?All the organisms and the physical setting they engage with make up an ecosystem. The nutrient cycles and energy fluxes connect these biotic and abiotic elements.
In this question, Since invasive species did not co-evolve with the other species in the ecosystem where they were introduced
They can unbalance the ecosystem since they do not belong to that particular region.they are a serious environmental problem as they disrupt food chains.they lack natural predators to help control their population.Hence, the answer is Option D. All of the above.
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What is meant by host specific?
Answers
Host-specific pertains to a parasitic organism or pathogen that exhibits the capacity to infect solely a solitary host species or a highly restricted array of host species.
What is host Host-specificity?Host-specificity describes the unique capacity of a parasite or pathogen to exclusively infect a solitary host species or an exceedingly limited spectrum of host species.
This indicates that the parasite or pathogen has developed specific adaptations to selectively exploit the biological characteristics of the host species, rendering it incapable of thriving or reproducing in alternative host species.
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how can the media spread false information. and biased information about the atlanta forest
Answers
Through enticing headlines, a misunderstanding of a fake piece of information can be born about the Atlanta forest.
What is fake news?Fake news is information that is incorrect or misleading and is presented as news. Fake news is frequently intended to harm a person's or entity's reputation or to profit from advertising income.
The Atlanta forest is made up of many forested zones that are currently being proposed as an official national park.
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what is the role of hydrogen i nthe synthesis of a fat that is unsaturated and therefore an oil at roo mtermperatrure g
Answers
The role of hydrogen in the synthesis of saturated fats is that hydrogen when added to the unsaturated fats converts them into saturated fats and helps them solidify.
By converting all of the double bonds in the fat to single bonds, full hydrogenation causes all of the unsaturated fats to change into saturated fats. Partial hydrogenation eliminates certain double bonds by partially replacing them with single bonds, but not all of them. Remember that an alkene becomes an alkane when hydrogen is added to it.
An example for a hydrogenation reaction:
\(H^{2}C\)=\(CH^{2}\) + \(H^{2}\) → \(CH^{3}CH^{3}\)
In this reaction the reactant is alkene, which is an unsaturated hydrocarbon, while the product formed by hydrogenation, alkane, is a saturated hydrocarbon. Commonly referred to as "polyunsaturated," vegetable oils. This only indicates the presence of several double bonds. The hydrogenation reaction can turn liquid vegetable oils into solids. This "hardening" process turns margarines and shortenings into solids or semi-solids.
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TRUE/FALSE. like all other sensory pathways, the nerve impulses associated with olfaction are routed through the thalamus on the way to the primary olfactory cortex.
Answers
It is FALSE that all other sensory pathways, the nerve impulses associated with olfaction are routed through the thalamus on the way to the primary olfactory cortex.
The olfactory nerve, also called cranial nerve I, the first cranial nerve, or just CN I, is a cranial nerve that houses sensory nerve fibers related to the sense of smell. Our olfactory system and sense of smell are made possible by this nerve. The shortest sensory nerve is the first cranial nerve. The olfactory nerve originates in the brain and terminates in the upper inside portion of the nose.
The olfactory receptor neurons' afferent nerve fibers deliver nerve impulses concerning scents to the central nervous system (olfaction). The olfactory nerve, which is descended from the embryonic nasal placode, is relatively unique among the cranial nerves in that it has some regeneration potential if injured. The olfactory mucosa in the upper section of the nasal cavity is the site of the origin of the sensory olfactory nerve.
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what is fertilization?
Answers
Answer:
Here is the definition of fertilization: the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a zygote. Or this one: the action or process of applying a fertilizer to soil or land.
Answer:
the action or process of fertilizing an egg or a female animal or plant, involving the fusion of male and female gametes to form a zygote.
a fossil that is older than 200 million years old can be found on land due to plate tectonics
Answers
A fossil that is older than 200 million years old can be found on land due to plate tectonics.
Plate tectonics is the movement and interaction of large sections of the Earth's lithosphere (outermost layer of the Earth) over the asthenosphere (part of the Earth's mantle). This movement can cause the formation of mountains, oceans, and the breakup of continents over millions of years. The movement of plates can also result in the uplift and exposure of rock layers that were previously buried deep beneath the surface, including those containing fossils that are millions of years old.
Therefore, it is possible to find fossils that are more than 200 million years old on land due to plate tectonics, but the process of uplift and exposure of such rocks may take millions of years and require various geological processes.
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--The complete question is, a fossil that is older than 200 million years old can be found on land due to plate ________.--
Consider a hypothetical scenario in which the genes that determine body color, eye color, and wing type in fruit flies occur on the same chromosome. To determine the order of the three genes on the chromosome, a researcher looks at hundreds of flies and makes these observations: 90% of flies with red eyes have curly wings. 75% of flies with red eyes have black bodies, whereas the remaining 25% have brown bodies. 1% of flies have curly wings, white eyes, and black bodies. Based on these observations, what is the most probable location of each gene on the given chromosome
Answers
Answer:
The most probable location on the chromosome of each gene is:
wing shape gene ------- eye color gene -------- body color gene
Explanation:
To know if two genes are linked, we must observe the progeny distribution. In a tri-hybrid cross, If individuals, whos genes assort independently, are test crossed, they produce a progeny with equal phenotypic frequencies 1:1:1:1:1:1:1:1. If we observe a different distribution, that is that phenotypes appear in different proportions, we can assume that genes are linked in the heterozygote parent.
We can recognize the parental gametes in the descendants because their phenotypes are the most frequent, while the double recombinants are the less frequent. And simple recombinant gametes produced by the cross, which frequencies are intermediate.
By comparing the parental and the double recombinant we will realize which is the allele that changes in position. The position of this gene is in the middle of the other two genes because in a double recombinant only the central gene changes position in the chromatid.
So, according to this knowledge and the available information in the problem we can estimate the position of the genes in the chromosome.
Phenotypic proportions:
90% of flies with red eyes have curly wings (Parental)75% of flies with red eyes have black bodies (Simple recombinant)25% of flies with red eyes have brown bodies (Simple recombinant)1% of flies have curly wings, white eyes, and black bodies (Double recombinant)90% of individuals are red-eyed and curly-winged. This is a high frequency, which means that this is the parental phenotype. The other parental phenotype must be white eyes and straight wings.
Flies with curly wings, white eyes, and black bodies represent the lower proportion (1%) so this phenotype must be the double recombinant.
Flies with red eyes and black bodies, and flyes with red eyes and brown bodies are intermediate in proportion, so they must be simple recombinant phenotypes.
Parental)
Red, Curly
White, Straight
Double recombinant)
White, Curly, Black
Red, Straight, Brown
Simple recombinant)
Red, Black
Red, Brown
In the chromatid, there are two regions, Region 1 (from the first gene to the gene in the middle), and region 2 (from the gene in the middle to the gene of the other extreme).
The fact that both simple recombinants are red, tells us that the eye color gene and the body color gene are together, and the recombination occurred either in region 1 or 2.
We know that the double recombinant is White, Curly, Black. We also know that the eye color gene and the body color gene are together, so one of these two must be in the middle.
Parentals are red and curly, which means that the eye color gene and wing shape gene are also together. This leads us to assume that the eye color gene is in the middle.
Finally, the fact that the double recombinant is White, Curly, Black, and knowing that the eye color is in the middle and that both the extreme alleles change position, we can assume that the parental Red, Curly is also black, while the other parental is white, straight and brown. So:
Parental)Curly ------ Red ------Black (90%)
Straight ----- White ----- Brown
Simple recombinant)Curly -----White-----Brown
Straight-----Red -----Black (75%)
Curly----Red-----Brown (25%)
Straight ----White-----Black
Double recombinant)Curly-----White------Black (1%)
Straight----Red------Brown
Which of the follow is NOT part of the cell theory? all existing cells are produced by other living cells the cell is the basic unit of life cells can be created from nothing all organisms are made of cells.
Answers
Answer:
I think its "cells can be created from nothing"
Explanation:
all the other statements are a part of the cell theory
A group of cells that secretes a fluid substance is called a____.
Answers
Answer:
Glandular epithelium is arranged into structures known as glands, which can either be a single cell or a group of cells specialized in producing and releasing a specific substance
Three circuit diagrams are shown. Which statement about the circuit
diagrams is accurate?
Circuit A Circuit B Circuit C
A. Circuits A, B, and C are all series circuits.
OB. Circuits A and C are series circuits, and circuit B is a parallel
circuit.
C. Circuits A and B are series circuits, and circuit C is a parallel
circuit.
OD. Circuit A is a series circuit, and circuits B and C are parallel
circuits.
Answers
From the diagram, circuit a and b are series circuit while c is parallel. Option C
What is a parallel and series circuit?
The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.
The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.
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Muslims and Persians stressed perfect __________ in their architectural designs so that each side of a building would look exactly the same as the others.
A.
angles
B.
slopes
C.
texture
D.
symmetry
Please select the best answer from the choices provided
A
B
C
D
Answers
Answer:
b
Explanation:
Which does not occur at the continental margin in the Pacific Ocean?
1. widened margins
2. volcanic activity
3. earthquakes
4. plate interactions
Answers
Answer:
Widen Margins occurs at the continental margin in the pacific ocean, so the answer is:
1. Widened Margins.
Circulatory System
Label the following parts:
Heart
Vein
Artery
Capillary
10
Answers
The circulatory system, also known as the cardiovascular system.
What is the circulatory system?The heart is a muscular organ located in the chest. It acts as a pump, continuously contracting and relaxing to circulate blood throughout the body. The heart has four chambers: two atria (left and right) and two ventricles (left and right).
Veins transport deoxygenated blood back to the heart from the body tissues. Arteries carry oxygenated blood away from the heart to various organs and tissues. Capillaries the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
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Is the following sentence true or false? Respiration that takes place
inside of cells is the same as breathing air in and out of the lungs.
Answers
Answer:
fals..................
What trend, if any, is evident in Mel’s data?
Answers
The trend that is evident is: Initially, there seems to be support for Mel's hypothesis, but the gold data is not consistent with the predicted trend.
Option C is correct.
How do we calculate?The data for zinc, nickel, copper, and silver shows that as the density increases, the melting point tends to increase.
From the data we can see , the data for gold does not follow this trend, as its density is lower than silver but its melting point is higher.
Therefore, while there is some initial support for Mel's hypothesis, the inconsistency with gold indicates that the relationship between density and melting point is not solely determined by density.
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Identify the molecule that is not a compound
Answers
Answer:
Oxygen in the atmosphere is a molecule because it contains molecular bonds. It is not a compound because it is made from atoms of only one element - oxygen. This type of molecule is called a diatomic molecule, a molecule made from two atoms of the same type
Explanation:
Which of the following statements about ace inhibitors is true?
Answers
The statement that is true about the ACE inhibitors is that they are alpha blockers.
What are ACE inhibitors?The term ACE inhibitors refers to a group of drugs that are used as antihypertensive drugs and assist in the relaxation of the blood vessels.
The statement that is true about the ACE inhibitors is that they are alpha blockers.
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Missing parts:
Which of the following statements about ACE inhibitors is true? A. They're alpha blockers. B. They increase fluid volume. C. They add amyloid. D. They decrease fluid volume.
Which event is occurring because of increasing carbon dioxide levels in the atmosphere?
A an increase in the greenhouse effect
В.
a decrease in oxygen levels in the atmosphere
o
C. a decrease in the thickness and size of the ozone layer
о
D
an increase in the amount of sunlight that reaches Earth's surface
Answers
Answer:
A. an increase in the greenhouse effect
Explanation:
Carbon dioxide controls the amount of water vapor in the atmosphere and thus the size of the greenhouse effect.