Answer: The correct answer is a) Peroxisomes.
Explanation: This kind of membrane enclosed organelles has a mainly function that is the oxidation, this source manages to break fatty acids and during normal metabolism, they also has many enzimes like d-aminoacid oxidases, is another of their functions. Further, the catalase enzime (another enzime which is inside peroxisomes) manages the detoxification of chemicals like alcohol from alcoholic drinks (catalases transform the H2O2, which is toxic, into H2O to detoxificate the liver).
Drag each label to the correct location. Identify the cell organelles found only in plant cells and those found in both animal and plant cells. nucleus cell wall chloroplast Golgi apparatus cell membrane ribosome
Answer:
Plant cell: chloroplast, cell wall
animal and plant cells: nucleus, cell membrane, ribosome, golgi apparatus
Explanation:
The organelles that are specific to the plant cell only among the listed organelles include chloroplast and cell wall, while those found in both animal and plant cells include the nucleus, cell membrane, ribosome, and golgi apparatus.
The chloroplast contains the green pigment (the chlorophyll) that is present in all green plants. It is the organelle that confers greenness to plants and is therefore absent in animal cells. The rigid cell wall is only found in plant cells and this confers a kind of hexagonal shape to the cell, unlike the animal cell that lacks a rigid cell wall and therefore, shapeless.
All eukaryotic cells, including plant and animal cells, posses nucleus. It is an organelle that houses the genetic materials of the cell and acts as the control center of the cell. The cell membrane is also common to both cell and acts as a selectively permeable membrane to the cells. The ribosome is the organelle responsible for protein synthesis in both plant and animal cells while the golgi apparatus plays an important role in secretory pathway in both cells.
Answer:
Explanation:
A person has a sex-linked inheritable disease. Which statement is true about the set of chromosomes which are likely to carry the genes for this disease?
1-The gene is present on a single pair of chromosomes.
2-The gene is present multiple pairs of chromosomes.
3-The gene is always present on an X chromosome.
4-The gene is always present on a Y chromosome.
The statement is true about the set of chromosomes that are likely to carry the genes for this disease is the gene is present multiple pairs of chromosomes.
What is an example of autosomal?An autosomal recessive disorder needs two copies of the altered gene to compel the disease.
For example the Huntington's disease.
Thus, option "B" is correct, The gene is present multiple pairs of chromosomes.
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Answer:
b
Explanation:
What is the function of a chloroplast?
O A. Gamete production
O B. Photosynthesis
O C. Fermentation
O D. Cellular respiration
Answer:
photosynthesis
Explanation:
Chloroplasts are found in plant cells its function is the process by which energy from the Sun is converted into chemical energy for growth. Also called photosynthesis.
Answer:
Photosynthesis
Explanation:
Chloroplast contains chlorophyll which absorbs sunlight and let photosynthesis happen.
* 35 Biodiversity Hot spots (International)
Explanation:
Biodiversity Hotspots of the World
Eastern Afro-Montane.
The Guinean forests of Western Africa.
Horn of Africa.
Madagascar and the Indian Ocean Islands.
Maputoland, Podoland, Albany hotspot.
Succulent Karou.
East Malanesian islands.
South Africa's Cape floristic hotspot.
What is a gene? Describe the function, structure, and location of genes within the cell.
Answer:
Genes are a section of DNA that are in charge of different functions like making proteins. Long strands of DNA with lots of genes make up chromosomes. DNA molecules are found in chromosomes. Chromosomes are located inside of the nucleus of cells.
Hope this helps....
Have a nice day!!!!
Which statement best summarizes the following portion of the Declaration of
Independence?
When in the Course of human events, it becomes
necessary for one people to dissolve the political bands
which have connected them with another, and to assume
among the powers of the earth, the separate and equal
station to which the Laws of Nature and of Nature's God
entitle them, a decent respect to the opinions of mankind
requires that they should declare the causes which impel
them to the separation,
A. Nations should remain separate and equal from one another,
O B. Nature provides certain privileges to some nations,
O C. Sometimes nations must separate from one another,
O D. Nations should make clear why they no longer want to be allied
with one another
Answer: D
Explanation:
If we talk about human rights and separation of nations, the most correct thing todo is to clarify that they are all equal so that for the time being there is no problem between them, in which they stabilize on all fronts.
How is the earth protected from the sun’s particles? Select one: a. The earth’s magnetosphere protects it b. The sun is 93 million miles away, and the particles do not impact the earth. c. The earth is not protected from solar particles. d. The heliosphere protects the earth.
Answer: A.
Explanation: The Earth has a magnetic sphere that protects it from the sun's particles. Even though the particles take a while to travel to Earth, whenever they are deflected that is what causes the Northern Lights.
what is the function of Krebs Cycle please help!!!!!
Explanation:
it is the final process of oxidisation for food stuff
The table below summarizes Mendel’s results for the F2 generation. Mendel’s Results Plant height 787 tall 277 short Flower color 705 purple 224 white Flower position 651 middle of stem 207 end of stem Pod color 428 green 152 yellow Pod shape 882 inflated 299 constricted Seed color 6,022 yellow x green Seed shape 5,474 smooth 1,850 wrinkled What number should replace the letter x in the “Seed color” row? 152 207 224 2,001
Answer:
2001
Explanation:
This question showcases a table that displays Mendel's results (figures) when he crossed pea plants and observed different characters in the plant. Mendel worked with different phenotypic characteristics in the pea plant.
According to the table, the result were for seven characteristics including height, flower color, flower position, pod color, pod shape, seed color, seed shape. Based on the observation of the number of F2 offsprings that possessed dominant trait and recessive trait for each character, we will notice that it follows an approximate phenotypic ratio of 3:1
1. Plant height 787 tall 277 short (3:1)
2. Flower color 705 purple 224 white (3:1)
3. Flower position 651 middle of stem 207 end of stem (3:1)
4. Pod color 428 green 152 yellow (3:1)
5. Pod shape 882 inflated 299 constricted (3:1)
6. Seed color 6,022 yellow X green
7. Seed shape 5,474 smooth 1,850 wrinkled (3:1)
This 3 dominant : 1 recessive ratio is the ratio got in the F2 offsprings when he observed the seven characteristics in pea plants. Hence, the seed color will also follow the same 3:1 ratio
Therefore, 2001 is the result Mendel obtained in the F2 offsprings for the recessive trait of seed color characteristics in his experiment, which actually depicts the 3:1 ratio. Hence, X (green seed color) is 2001
I believe that the answer is C. 2001
Hope i helped :D
Possible origins of meteoroids include Select one: a. asteroids. b. comet tails. c. the planet Mars. d. all of these.
Answer:
The answer is A, asteroids.
Explanation:
Many meteoroids are formed from the collision of asteroids, which orbit the sun between the paths of Mars and Jupiter in a region called the asteroid belt. As asteroids smash into each other, they produce crumbly debris which are meteoroids. Other meteoroids are the debris that comets shed as they travel through space.
(d), meteorite. A meteoroid is space, meteor burning up in the atmosphere, meteorite is
what reaches Earth’s surface
What marked the end of the Precambrian period? A. The appearance of complex, multicellular animals B. The division between archaea and eukarya C. The emergence of simple, protist-like animals D. The development of DNA-based viruses Mark for review (Will be highlighted on the review page)
Answer:
A. The appearance of complex, multicellular animals
Explanation:
Precambrian period is the earliest period in the history of the earth. It was characterized by different evolutionary characteristics and differences.
The end of this period was marked with The appearance of complex, multicellular animals which were able to perform complex tasks
Answer:
A. The appearance of complex, multicellular animals
Explanation:
Section 5.2 ✔
Which water source may become polluted as it travels over land?
Answer:
D. runoff
Explanation:
I took the test.
Arrange the following steps for contraction in the correct sequence.
1. The muscle impulse reaches the sarcoplasmic reticulum and calcium is released.
2. Thin filaments are pulled over the thick filaments.
3. Calcium floods the sarcoplasm and binds to troponin molecules leaving active sites.
4. The impulse arrives at the synapse and travels through the transverse tubules.
5. The muscle fiber shortens and contracts.
6. Tropomyosin molecules bind to exposed active sites, linking actin and myosin
Answer:
Explanation:
Muscle contraction is stimulated by the movement of an action potential moving along a nerve fiber to the muscles. This event follow some series of process before being stimulated.
1. The impulse arrives at the synapse and travels through the transverse tubules.
2. The muscle impulse reaches the sarcoplasmic reticulum and calcium is released.
3. Calcium floods the sarcoplasm and binds to troponin molecules leaving active sites.
4. Tropomyosin molecules bind to exposed active sites, linking actin and myosin.
5. Thin filaments are pulled over the thick filaments.
6. The muscle fiber shortens and contracts.
The steps with respect to the contraction should be shown in the correct way.
The impulse should arrive at the synapse & travel via the tubules of the transverse. The impulse of muscle reached to the sarcoplasmic reticulum & calcium should be released. The calcium foods should be treated as the sarcoplasm & bounded into the tropoinn molecules that left active sites.The binding of Tropomyosin molecules into the exposing of active sites, actin connected & myosin. Thin filaments should be pulled over to the filaments that are thick.The fiber of muscle should be short and contracts.
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A. birds—>leopard seals—> carnivorous zooplankton—>herbivorous zooplankton
B. phytoplankton—>krill—>fish—>baleen whales
C. phytoplankton—> herbivorous zooplankton —>fish—>leopard seals
Answer: C
Explanation: It is the only one that is accurate according to the graph
Answer:
Hey there!
C. Is correct. phytoplankton—> herbivorous zooplankton —>fish—>leopard seals.
Start from the bottom and trace your way to the top.
Hope this helps :)
Plants that are adapted to live on land ( botanical term)
Answer:
"Embryophytes " is the perfect solution.
Explanation:
Each of some kind of plant sub-system that maintains the embryo inside the maternal tissues, including the tracheophytes as well as bryophytes.The other most common species of organisms or plants seem to be the surface plants including embryophytes, furthermore precisely Embryophyta or Metaphyta. They are considered as 'land plants' but even though, in comparison to the connected green algae, those who continue living primarily throughout terrestrial environments, mainly aquatic ones.What is NOT one of Mendel's conclusions about inheritance?
A. Recessive traits may be passed on, even if they don't show in the phenotype.
B. Characteristics are determined by alleles on a chromosome.
C. Characteristics can be dominant or recessive.
D. The inheritance of certain traits can be predicted.
Answer:
D. The inheritance of certain traits can be predicted.
Explanation:
Even though it is true, it hasn't been in Mendel's conclusion.
Hope it helps.
The option which is not one of Mendel's conclusions about inheritance is that the inheritance of certain traits can be predicted. Thus, the correct option is D.
What is Inheritance?Inheritance may be defined as the process of transmission of specific traits and genetic information from the parents to their offspring.
Mendel's conclusion states that the recessive traits may be passed on, even if they don't show in the phenotype, characteristics of traits can be dominant or recessive and are determined by the presence of alleles on a chromosome.
Therefore, the correct option for this question is D.
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In a population of 200, 86 individuals express the recessive phenotype. What percent of the population would you predict would be
heterozygous?
A. 65%
B. 55%
C. 35%
D. 45%
Answer:
The correct option is;
D. 45%
Explanation:
From the Hardy- Weinberg law, we have;
p² + 2·p·q + q² = 1
p + q = 1
Where:
p = Dom inant allele frequency in the population
q = Recessive allele frequency in the population
p² = The percentage of individuals in the population that are hom ozygous dominant
q² = The percentage of individuals in the population that are homo zygous recessive
2×p×q = The percentage of hete rozyous individuals in the population
The number of individuals that express the recessive phenotype = 86
The number of individuals in the population = 200
The percentage of individuals that express the recessive phenotype, q² = 86/200 = 0.43
Therefore;
q = √0.43 = 0.656
p + q = 1
p = 1 - q = 1 - 0.656= 0.344
∴ The frequency of individuals that express the do minant phe notype, p = 0.344
The percentage of heterozyous individuals in the population = 2×p×q × 100 = 2 × 0.656 × 0.344 × 100 = 45.15% ≈ 45%
Angiosperms are flowering plants. The carpal is a reproductive organ within the flower. What part of the carpal becomes the fruit when fertilization occurs? The image shows a flower with 8 different lines pointing to different parts of the flower. The lines are labeled A through H. Part C Part D Part H Part I
Answer:
Ovary becomes the fruit while ovule becomes seed after fertilization.
Explanation:
There's no image so I can't show whether it's A or H.
Hope it helps.
Answer:
The answer is H
Explanation:
In this assignment, you will prepare a presentation about an endangered species found in your state. You will conduct research on the Internet to learn about the species and why it is endangered. With this knowledge, you will describe some possible solutions to increase the survival rate of the species.
Answer:
Were it not for the Act, scientists have estimated, at least 227 species would have ... just ripped apart the Endangered Species Act. We need your help fighting back. ... of all species listed in the northeastern United States, 93 percent are stable or ... of acres of critical habitat, which is crucial to species' survival and recovery.
Tara has two dogs. They win many of the agility competitions they enter. These competitions test a dog's ability to
run, jump, maneuver around and through obstacles, and follow complex instructions. These two dogs have a litter of
puppies together.
Which description most correctly describes these puppies?
The puppies are guaranteed to win agility competitions.
O With training, the puppies are likely to excel at agility competitions.
O The puppies will be born with the ability to complete agility competitions.
O Without training, the puppies are no more likely to succeed at agility competitions than any other dog.
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Answer: Y'all its b
Explanation:
Answer:
B)
choose b edg20
Place cells, which are located in the hippocampus, become active in birds when searching for previously-hidden food. Helping them remember where things are, these cells help animals create a:____________
Answer:
Spatial memory
Explanation:
When the need arise to plan and manoeuvre ones way out of a familiar location,or to recollect where particular object is located or an incident happened, the type of memory stored and retrieved from the brain is called Spatial memory.
Generally,animals store information about their environments during their itineraries at different locations,as spatial representation memories of the environments.These are stored in their hippocampus. These are retrieved each time they need to navigate in the environment.
Generally the hippocampus located in the temporal lobes,and medial temporal lobes are the sites where the spatial memory of the environment is stored,and retrieved by the animals(birds)
Generally the hippocampus is the region of the brain which helps to produce ,consolidates,and recollects memories of a specific events in all animals.
somebody plz answer for this question
Answer:
answer d
Explanation:
describe the three stages of germination
Answer:
Germination is the process by which the seed embryo begins growth. A seed is considered to have germinated when the embryonic root emerges from the seed coat. ... Three major stages in the germination process are the imbibition of water, increased metabolic activity, and swelling of cells.
Answer:
The three stages in the germination are the imbibition of water, increased metabolic activity, and swelling of cells.
Explanation:
The predatory bacterium Bdellovibrio bacteriovorus drills into a prey bacterium and, once inside, digests it. When the predatory bacterium attacks the gram-negative bacterium, what are the first structures penetrated by B. bacteriovorus on its way into the prey's cytoplasm
Answer:
The outer membrane, a peptidoglycan layer, periplasm, and cell membrane
Explanation:
The predatory bacterium will have to penetrate the cell wall and the cell membrane of the gram-negative bacterium before getting access to the cytoplasm.
In order to penetrate the cell wall of a gram-negative bacterium, the predatory bacterium will have to penetrate the components of the cell wall which consists of an outer membrane, a thin peptidoglycan layer, and a gel-like matrix known as the periplasm.
Thereafter, the predatory bacterium will have to penetrate the cell membrane before eventually getting access into the cytoplasm of the prey bacterium.
The peptidoglycan layer or the outer membrane will be the first structure penetrated by the B. bacteriovorus.
The attack of the predatory bacterium on the other bacterium:In the given case, the predatory bacterium, that is, B. bacteriovorus needs to penetrate the cell wall and the membrane of the gram-negative bacterium prior of getting within the cytoplasm of the host bacterium.
To penetrate the cell wall of a gram-negative bacterium, the predatory bacterium have to infiltrate the cell wall components comprising,
An outer membranePeriplasm, that is, the gel-like matrixA thin peptidoglycan layerThus, the predatory bacterium will first have to penetrate the peptidoglycan layer of the gram-negative bacterium.
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In the diagram below, which organelle is a ribosome, which combines amino acids and produces proteins?
Answer:
F
Explanation:
It is F because ribosomes can be found on rough endoplasmic reticulum.
Hope it helps.
DNA sequence into RNA: AATGCATATGCA
Answer: UUACGUAUACGU
Explanation:
In DNA to RNA Adenine(A) binds with Uracil(U), Thymine(T) binds to Adenine(A), Guanine(G) binds to Cytosine(C), Cytosine(C) binds to Guanine(G).
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Why is ATP used as an active energy source over glucose? A. It is more abundant in food sources. B. It releases its energy quickly in a single reaction. C. It releases its energy slowly through multiple reactions, allowing it to last longer. D. It has more energy.
Answer:
B. It releases its energy quickly in a single reaction.
Explanation:
Adenosine triphosphate (ATP) is an energy carrying molecule in living systems while Glucose is an organic molecule (carbohydrate) that stores a high amount of energy. Glucose is a monosaccharide and the smallest unit of carbohydrate-containing foods we eat. Chemical energy is stored in the chemical bonds that hold the glucose molecule.
However, during the process of cellular respiration, energy stored in glucose molecule is broken down and transferred to ATP, which stores energy between the phosphate bonds of its molecule. The energy in ATP is released to perform cellular activities when the phosphate bond of the last phosphate molecule is broken.
Although the glucose molecule stores way more energy than ATP molecule, the ATP molecule releases its energy quickly in a single reaction. This makes energy readily available for cellular functions. This property of ATP makes it an active energy source over glucose.
Answer:
B. It releases its energy quickly in a single reaction.
Explanation:
I am unpredictable as I change myself in a short time span.
Answer:
Weather
Explanation:
Weather is the the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, wind, rain, etc.
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In what way do two alleles for the same trait differ?
A. They are found on different chromosomes.
O B. They consist of different sequences of DNA.
C. They are complementary.
D. They are produced by two different people.
Answer:
D. They are produced by two different people.
Explanation:
Hope it helps
In coral reefs, clownfish live unharmed among the poisonous tentacles of sea anemones. The sea anemones protect the clownfish from predation, while the clownfish scare off predators, such as the butterfly fish, which would otherwise eat the anemones. The clownfish may also provide important nutrients to the anemones. This arrangement is an example of which symbiotic relationship
Answer:
The sea anemone and the clownfish live together in a type of symbiotic relationship called mutualism, where both species benefit from the other. The sea anemone offers the clownfish protection and leftover food
The anemone's tentacles provide the clownfish with protection from predators, while the clownfish chase away butterfly fish that would eat the anemone. ... Sea anemones can do very little to control the flow of water across their bodies, and they rely on local currents to bring in oxygen and nutrients.Clownfish perform an elaborate dance with an anemone before taking up residence, gently touching its tentacles with different parts of their bodies until they are acclimated to their host. A layer of mucus on the clownfish's skin makes it immune to the fish-eating anemone's lethal sting.Instead, both species have evolved behaviors that help them avoid being eaten while they graze for benthic algae. Butterflyfish typically swim in pairs near a particular clump of coral. ... An anemone robbed of its clownfish guards will quickly fall prey to the voracious butterflyfish.