Answer:
the monitor is reliable but there is not enough info. to comment on validity
Explanation:
The monitor is consistent - which is reliability, but you can't be sure the results it is returning are correct based on the question, so validity can't be determined.
explain
what could happen to the community
if all the hares suddenly died
Answer:
they would all be dead
Explanation:
lol this didn't help
Which type of cell has a life span of four days?
colon
skin
brain
heart
The type of cell has a life span of four days colon cell. IECs, which line the surface of the intestinal epithelium, are crucial for food digestion, nutrient absorption, the body's defense against infections from microbes, among other functions
What is colon cell?IECs, which line the surface of the intestinal epithelium, are crucial for food digestion, nutrient absorption, the body's defense against infections from microbes, among other functions. Adenocarcinoma, the most prevalent type of colon cancer, develops in the glands that secrete mucus and is the primary cause of colon cancer diagnoses.In order to regulate mucosal immunity, coordinate food recycling, and create a mucus barrier, the colonic epithelium allows host-microorganism interactions. Inflammatory bowel illness is caused by a breach in the epithelial barrier (IBD).A colon polyp is a little cell cluster that develops on the colon's lining. Colon polyps are usually not harmful. But over time, certain colon polyps can transform into colon cancer, which, if detected in its later stages, can be fatal.
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3. Which of the following statements explains the importance of carbon in cells? (Choose all that apply
carbon is a waste products for a cell.
i just took the test
The statement that explains the importance of carbon in our cells is that carbon affects the function of the cell. So the correct option is A.
What is the importance of carbon?
The most common chemical element present on our Earth is carbon. It has the symbol C and an atomic number of 6. The carbon atom is a member of the fourteenth group present on the periodic table.
The word carbon is derived from the Latin word 'carbo', which means coal. Carbon is also the 15th most abundant element that is present in the crust of the Earth. On the earth, carbon is the fourth most abundant element ranked after hydrogen, helium, and oxygen.
Carbon atoms, when bonded together in different ways, are called as allotropes of carbon. Diamond, graphite, and amorphous carbon are the three allotropes of carbon.
They have different properties. Graphite is one of the softest known substances while diamond is the hardest known substance.
Therefore the correct option is A.
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role of the two components of the ribosomal complex.
Answer:
The ribosome is a highly complex cellular machine. It is largely made up of specialized RNA known as ribosomal RNA (rRNA) as well as dozens of distinct proteins (the exact number varies slightly between species). The ribosomal proteins and rRNAs are arranged into two distinct ribosomal pieces of different size, known generally as the large and small subunit of the ribosome.
Explanation:
HELP I WILL GIVE BRAINLIEST
Which statement best describes a population that competes for reproductive purposes?
Animals push each other to access water.
Hyenas quarrel over a fresh animal kill.
Squirrels and chipmunks collect food for the winter months.
Members of the same species battle each other to protect their young.
Answer:
DDDDD Members of the same species battle each other to protect their young.
Explanation:
The statement that best describes a population that competes for reproductive purposes is members of the same species battle each other to protect their young. The correct option is D.
What is competition?Competition is an interplay between life forms or species in which both necessitate a scarce resource.
Competition reduces the fitness of both organisms involved because the presence of one reduces the amount of resource available to the other.
The varying relationships between breeding success and specific traits in the two genders provide a foundation for predicting the shape of gender differences that are likely to evolve.
Adequate nutrition during pre-mating periods was found to have the greatest impact on various reproductive processes in mammals.
Members of the same species battle each other to protect their young, which best describes a population that competes for reproductive purposes.
Thus, the correct option is D.
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Where does the bloody deposit the
oxygen and nutrients?
Answer:
The heart, blood and blood vessels work together to service the cells of the body. Using the network of arteries, veins and capillaries, blood carries carbon dioxide to the lungs (for exhalation) and picks up oxygen. From the small intestine, the blood gathers food nutrients and delivers them to every cell.
Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined and used to determine the actual allele frequencies in the population.
Required:
Is this population in Hardy-Weinberg equilibrium? Calculate the T and t.
Complete question:
Researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. They identify the gene responsible for toxin production. The dominant allele (T) codes for an enzyme that makes the toxin, and the recessive allele (t) codes for a nonfunctional enzyme that cannot produce the toxin. Heterozygotes produce an intermediate amount of toxin. The genotypes of all individuals in the population are determined (TT = 0.56; Tt = 0.28; tt = 0.16) and used to determine the actual allele frequencies in the population. Is this population in Hardy-Weinberg equilibrium? Calculate the T and t.
Answer:
No, the population is not in H-W equilibrium
Explanation:
Due to technical problems, you will find the complete explanation in the attached file
Alma is walking in a park
Answer:
i like walking in a park
Explanation:
How did Dr. Steen Willadsen clone mammals?
A) He took an embryo and split it to produce identical twins.
B) He transplanted the nuclei of adult cells into donor egg cells.
C) He transplanted the nuclei of embryos into donor egg cells.
D) He transplanted the nuclei of adult cells into the cells of an embryo.
Answer:
B
Explanation:
The adult is fully developed so the genetics could pass on
Which component of the blood is part of the body’s immune system?
Answer:
White Blood Cells
Explanation:
Female killer whales stop reproducing in their ____. 50s-60s, 60s-70s, 40s-50s, 30s-40s
Answer:
20
Explanation:
because fasting is missing
Answer:
30s and 40s
Explanation:
it is the right answer i learned that
Eukaryotic cells have membrane bound organelles and DNA contained in a nucleus.
True
False
Answer:
True
Explanation:
Eukaryotic cells DO have membrane-bound organelles and a DNA contained in the nucleus which is different from prokaryotic cells which DO NOT have membrane bound organelles and normally do not have a nucleus.
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Filled-in symbols in the pedigree that follows designate individuals suffering from deafness.a. (2 points) Study the pedigree and explain how deafness is being inherited.b. (2 points) What is the genotype of the individuals in generation V
Answer:
According to the pedigree, It is clear that the F1 generation is not affected but their offspring are affected in F2, which explains that the deafness presented with the pedigree is recessive. It should be an Autosomal recessive inheritance as it is found in both male and female offsprings.
As it is found that the parents are affected in 5th gen and 6th generation but their offspring are not affected which means there must be more than one genes controlled this disorder
B. In 5th generations mentioned above offspring is unaffected but parents are affected, to find the genotype of the individual let assume there are two genes responsible for it A and B, and mutation in any one of them can result in deafness.
So in IV generation Individuals 5 and 6 have genotypeAAbb and aaBB; both are deaf.
gametes:- Ab & aB.
So, the genotype of all offsprings will be AaBb means all are normal.
Deafness is an autosomal recessive disorder as the first generation is unaffected and the genotype of the fifth generation is AaBb.
What are pedigree and genotype?Pedigree is a chart representation of the phenotype of specific genes of the organism and its inheritance from the ancestral family. The pedigree can be used for the analysis of the heritable disease and illness in the family root.
The deafness illness in the pedigree is recessive as the first generation of the pedigree remains unaffected but the later generation is affected and is diseased.
From the chart, deafness can be said to be an autosomal recessive disorder as some generations are unaffected and in some the disease is present. More than one gene is controlling the disease as the fifth and sixth generations are affected but not their offspring.
The parent of the fifth generation are affected but their progenies are normal to know the genotype let's assume the genes A and B to be responsible for the disease and the mutation in any one of the alleles will result in deafness.
Hence, the genotype of the parents 5 and 6 in the fourth generation will be AAbb and aaBB as both of them diseased or deaf, the offsprings produced from their cross will be AaBb that is all the offspring of the fifth generation will be normal and unaffected.
Therefore, the genotype of the fifth generation in the pedigree is AaBb.
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6. The replication of chromosomes by eukaryotes occurs in a relatively short period of time because
Answer:
because each chromosome contains multiple replicons.
Farmers can store food for when it is difficult to grow. True or false?
Answer:
True
Explanation:
Because my uncle was a farmer.
Answer:
ture
Explanation:
i think hope it is right
The main source of food for Southern Resident killer whales is __.
Salmon
Seal
Dolphin
Shark
PLEASE HELP ASAP
Answer:
=) salmon
Explanation:
The primary cause of these orcas deaths is starvation. The southern residents—which include the J, K, and L-pods—survive mainly on Chinook salmon, another species in decline due to overfishing, hydroelectric projects, and the harbor seals that get to them before they make their way to Puget Sound
Answer:
SALMON
Explanation:
primary cause of these orcas deaths is starvation. The southern residents—which include the J, K, and L-pods—survive mainly on Chinook salmon, another species in decline due to over fishing, hydroelectric projects, and the harbor seals that get to them before they make their way to Puget Sound. (pt.2)
Which government agency would you expect to be most concerned with the impacts of pollution?
a. Environmental Protection Agency (EPA)
b. Food and Drug Administration (FDA)
C. Bureau of Land Management (BLM)
d. Department of Fish and Wildlife
Answer:
a the Environmental Protection Agency EPA has jurisdiction over all pollution matters
The Environmental Protection Agency (EPA) will be most concerned with the impacts of pollution. Thus, the correct option is A.
What is Pollution?Pollution may be defined as the presence of toxic substances in the environment which are harmful and poisonous to human health and animals to a larger extent.
The Environmental Protection Agency (EPA) has the administration and control over any consequences which are associated with pollution and its derivatives.
Therefore, the correct option is A.
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What is the difference between an independent variable and a dependent variable? How are these different from constants?
A firefly uses chemicals in its body to produce a glowing body. What energy transfer is this?
Answer
Bioluminescence is a chemical reaction. It takes place inside the light-producing organ of a glowing creature. Fireflies, for example, make light in their abdomens. The chemical reaction produces energy in the form of photons.
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A mutagen is
a living thing that has undergone a mutation.
an agent that causes a mutation in DNA.
a mutation that has affected one gene.
any chemical that can poison living cells.
Answer:
B)an agent that causes a mutation in DNA.
have a nice day
Explanation:
Mutagen is the chemical or biological agent that results in mutation in the genetic or the hereditary material of the living organism. Thus, option B is correct.
What are mutagens?Mutagens are substances that can be chemical or biological and causes alterations and modifications in the genetic material of the organisms. They can cause positive and negative damages in the process of the replication and repair mechanism.
UV rays, X rays, ROS, base analogs, alkylating agents, transposons, viruses, etc., are some examples of mutagens that can cause somatic or germline mutations. They can cause silent, missense, nonsense, deletion, addition, or substitution mutations.
Therefore, mutagens cause a mutation by altering the genetic material.
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Which of these molecules structures could be found in a lipid, but not in a carbon hydrate, protein, or nucleus acid?
Answer:
B: a long chain made only of carbon and hydrogen atoms
Explanation:
what are two limits to cell growth
A series of two-point crosses, involving 7 genes (a-g), were carried out, and the following recombination frequencies were obtained. Place the seven genes into linkage groups (where a linkage group is any group of genes that are genetically linked to each other). Within each linkage group, determine the order of genes and the distances between them.
Genes % recombination Genes % recombination
a-b 50 c-d 50
a-c 50 c-e 26
a-d 12 c-f 50
a-e 50 c-g 50
a-f 50 d-e 50
a-g 4 d-f 50
b-c 10 d-g 8
b-d 50 e-f 50
b-e 18 e-g 50
b-f 50 f-g 50
b-g 50
Answer:
Explanation:
Genes with recombination frequencies(RF) of 50 assort independently and are not genetically links together but gene that have less than 50 RF are genetically linked.
The Linked genes included
a-d 12 c-e 26
a-g 4 d-g 8
b-c 10
b-e 18
Starting the order from the most tightly linked to the least
a-g 4, genetic distance is 4cM
d-g 8 genetic distance is 8cM
b-c 10 genetic distance is 10cM
a-d 12 genetic distance is 12cM
b-e 18 genetic distance is 18cM
c-e 26 genetic distance is 26cM
Replicated chromosomes are called
centromeres
homologous chromosomes
karyotype
sister chromatids
Answer:
Sister Chromatids
Explanation:
Before anaphase begins, the replicated chromosomes, called sister chromatids, are aligned at along the equator of the cell on the equatorial plane. The sister chromatids are pairs of identical copies of DNA joined at a point called the centromere.
What is technology?
A. A way to apply science to solve problems
B. A type of scientific experiment
C. A political idea
D. A way to convince people
Answer:
a
Explanation:
i think its A because the rest font make sense
Answer: A
Explanation: the application of scientific knowledge for practical purposes, especially in industry
Ok y’all I don’t have time to research for my sis so I will ask a bunch of questions
Answer:
stomach
Explanation:
During digestion, muscles push food from the upper part of your stomach to the lower part. This is where the real action begins. This is where digestive juices and enzymes break down the food that you chewed and swallowed.
Answer:
mouth
Explanation:
The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.
The image below shows salamander skin cells as viewed under a microscope. The activity occurring inside the rectangle best supports which scientific theory?
Temand win PDB 1000
Appeared in The
O cell theory
O germ theory
O gene theory
O endosymbiotic theory
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Answer:
A. Cell theory.
Explanation:
The image above shows salamander skin cells as viewed under a microscope. The activity occurring inside the rectangle best supports a scientific theory known as cell theory with respect to cell division.
A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.
A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.
Cell theory states that cell is the basic unit of life, all living organisms are made up of one or more cells and they typically arise from existing cells i.e pre-existing cells give rise to new ones through the process of cell division.
From the image of the salamander's skin cell, we can see that it comprises of many cells and are these look very much alike, meaning they are from pre-existing cells.
List three types of blood cells and indicate what they do to help your body maintain homeostasis
Answer:
Both cells present in the blood come from the marrow of the bone. They start their lives as stem cells and develop into three main cell types: RBCs, WBCs, and platelets.
RBCs- The red blood cells supply the cells with oxygen and extract carbon dioxide. ... In controlling the processes of the body and preserving homeostasis, blood plays an important role. It carries out many functions within the body, including: supplying tissues with oxygen (bound to hemoglobin carried in red cells)
WBCs-Ce with white blood
Explanation:
Which of the following kinds of questions cannot be answered within the limits of science?
How does Meg use the ultimate boon to conquer the power of IT
Answer: She discovers the power of love to fight the darkness of hate
Explanation:
In the book, A Wrinkle in Time, siblings Meg Murray and Charles Wallace along with their friend Calvin O'Keefe embark on a journey to a planet under the control of a dark force known as IT.
When they get there Charles is captured but the rest manage to escape and now Meg has to go back to save her brother. In the process of saving him she discovers that she must use the power of love for her brother to fight and conquer the darkness of hate that the IT possesses. When she does so she is able to free her brother and they escape together.