Answers
Answer:
Answer down below v
Explanation:
The types of diseases that river basins carry are waterbone diseases.
They are cause mostly from contaminated water from which is housed in the river.
Some major diseases cause by water are:
cholera, diarrhoea, dysentery, hepatitis A, typhoid, and polio.
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Related Questions
In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in females. We’ll use the symbol Bb for the beard allele and B+ for the beardless allele. Another independently assorting autosomal allele that produces a black coat (W) is dominant over the allele for a white coat (w). Give the phenotypes and their expected proportions for the cross between B+Bb Ww male × B+Bb Ww female.
Which of the following is not an option phenotype and proportion from this cross?
a. 9/16 bearded, black female
b. 3/16 bearded, black female
c. 1/16 beardless, white male
d. 3/16 bearded, white male
e. 1/16 bearded, white female
Answers
Autosomal alleles are the genetic inheritance by the variants that are passed from parent to child. From the cross between B+Bb Ww × B+Bb Ww, 3/16 bearded, black coat, and 1/16 bearded, white is not a correct phenotype. Thus, options b and e are correct.
What is a dihybrid cross?A dihybrid cross has been defined as the experimental mating of an organism that has two variable traits located at various genes. The traits can be autosomal dominant and autosomal recessive.
Given,
Autosomal dominant = Bb (beard), W (black coat)
Autosomal recessive = B+ (beardless ), w (white coat)
Parent = B+Bb Ww male and B+Bb Ww female
The cross between the parent is attached to the image below.
From the cross, it can be said that:
9/16 bearded, black coat1/16 beardless, white coat3/16 beardless, black coat3/16 bearded, white coatFrom the cross, 3/16 bearded, black females and 1/16 bearded, white females are not the phenotypes.
Therefore, options b and e. 3/16 bearded, black females and 1/16 bearded, white females are not the phenotypes.
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Half of the Earth is dark in the image below. What is the dark half of Earth
experiencing?
A. A power outage
B. A solar eclipse
C. A lunar eclipse
D. Nighttime
Answers
How do ribosomes create a mutation & how is this mutation controlled?
Answers
Ribosomes do not directly create mutations, but cellular mechanisms such as DNA repair and checkpoints help control and minimize the occurrence of mutations.
Ribosomes themselves do not directly create mutations. Mutations, which are changes in DNA sequence, can occur due to errors during DNA replication or from external factors like radiation or certain chemicals. However, the cellular machinery, including ribosomes, plays a role in the control of mutations through various mechanisms. DNA repair mechanisms help identify and correct errors or damage in the DNA sequence, reducing the likelihood of mutations. Additionally, cellular checkpoints and regulatory processes monitor and control cell division, ensuring that accurate DNA replication and distribution occur, minimizing the inheritance of mutations to daughter cells.
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How does Gjerde describe the “high seas”?
Answers
Gjerde describe high seas as water bodies that covers 50 percent of the planet having an average depth of the oceans of 4,000 meters. It give about 90 percent of the habitat for life on Earth.
What is High seas?High seas refer to very large oceans or salt water bodies that is beyond a country's jurisdiction or beyond a territorial dormain. But it refers to the entire Earth's ocean bodies.
Therefore, Gjerde describe high seas as water bodies that covers 50 percent of the planet having an average depth of the oceans of 4,000 meters. It give about 90 percent of the habitat for life on Earth.
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Which of the following are examples of natural pollution? Choose all that apply.
car exhaust
volcanoes
pesticides
trash
forest fires
floods
Answers
pesticides
trash
forest fires
The examples of natural pollution are Volcanoes, Forest fires, and floods.
What do you mean by Pollution?Pollution may be defined as the presence of any unwanted or contaminated substances in the atmosphere.
Car exhaust, pesticides, and trash are examples of artificial pollution.
Volcanoes release certain poisonous gases which are harmful to environment. Flood carries contamination like pesticides, chemicals, sewage waste, etc.
Forests fire are responsible for the increase of carbon dioxide in the environment.
Therefore, examples of natural pollution are Volcanoes, Forest fires, and floods.
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What is the main cause of a human-created mass extinction?
Answers
Answer:
d
Explanation:
an increase in the human population
One of the hazards of biotechnology is -
creating organisms dangerous to human health.
increasing biodiversity of ecosystems
decreasing the availability of natural fuels.
using excessive amounts of energy.
Answers
decreasing the availability of natural fuels
What is Due process clause
Answers
Answer:
In United States constitutional law, a Due Process Clause is found in both the Fifth and Fourteenth Amendments to the United States Constitution, which prohibits arbitrary deprivation of "life, liberty, or property" by the government except as authorized by law.
explain how a kidney machine works if you have a kidney failure
Answers
Answer:
Explanation:
A kidney machine, also known as a hemodialysis machine, filters your blood through a dialyzer, which works like a kidney and filters out extra salt, waste, and fluid. The machine has built-in safety checks to ensure the process is safe and effective. A pump in the machine slowly draws out your blood, then sends it through the dialyzer. Your cleaned blood is sent back into your body through the second needle in your arm.
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Which of the following is an impact characteristic of communities
A. Composition and structure constantly changes
B. Composition and structure remain constant
C. Communities are static in nature
D. All individuals grow at the same rate
Answers
Option A is an impact characteristic of communities
This is because it is the most suitable option which describes communities the best. Communities are constantly changing due to numerous variables including environmental factors like natural catastrophes, and lack of resources, etc social factors like culture, immigration, human activity, and language. Option B is inaccurate since a community's structure rapidly changes over a period and is never constant.Option C is likewise inaccurate as communities are dynamic and continually changing in nature.Option D is also inaccurate since people don't grow at the same rate and have varying growth rates, genetics, and other factors which differentiate individuals from each other. As a result, not all members of a community develop at the same rate. Therefore, option A is the most suitable. Composition and structure constantly change.To learn more about communities,
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In the carbon cycle, all animals must consume
other organisms because
A. they can not absorb enough carbon from water.
B. they cannot absorb carbon directly from the air.
C. they are in competition with plants for available
carbon.
D. they require carbon to perform photosynthesis.
Answers
Answer:
B. they cannot absorb carbon directly from the air.
Explanation:
Carbon cycle refers to the series of processes through which carbon is exchanged between living and non living components of the environment. During the carbon cycle, animal organisms feed on one another in order to obtain energy, a characteristics that makes them HETEROTROPHIC.
Unlike plants, animals cannot perform photosynthesis, which turns solar energy into biomass (carbon-based). Plants get their carbon source (CO2) directly from air via the stomata on their leaves. Animals, on the contrary, cannot get carbon this way, hence, they need to feed on other animals to get their carbon and energy source.
The city health inspector closes a local restaurant when several people become ill from E. coli-contaminated food. What
is the restaurant an example of?
a. a pathogen
b. a booster
c. a reservoir
d. an epidemic source
Answers
Answer:
the anwser is a bc ecoli is in food
Explanation:
~~20. A base deletion of base eight (frameshift mutation) occurs in the following
nucleotide sequence: CTCACGATTGAGTAG. (4 points)
1. Write the codons (base triplets) for the original nucleotide
sequence. I
2. Write the codons (base triplets) for the nucleotide sequence
following the base deletion.
Answers
A base triplet is formed by the combination of 3 consecutive base
1. The codons (base triplets) for the original nucleotide sequence are-
CTC ACG ATT GAG TAG
2. A base deletion of base eight will result in frameshift mutation. The next nucleotide (base nine) will take the position of eight base and similarly other base will take the position of previous base resulting in formation of new nucleotide sequence.
CTC ACG ATG AGT AG
The last two base will not form a triplet and so will not code for any amino acid.
What is frameshift mutation?
A frameshift mutation in a gene is the addition or deletion of nucleotide bases in quantities that are not multiples of three. This is significant because proteins are encoded in groups of three nucleotides, which are read by cells. Each of these so-called "triplet codons" corresponds to a different one of the 20 amino acids needed to make a protein.
If the normal reading frame is changed by a mutation, the entire gene sequence will be misread following the mutation. This could result in the protein receiving the wrong amino acids or developing a codon that inhibits the protein from getting longer.
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Which is defined as a cell structure made of DNA that gives all of the master instructions for the cell?
centromere
chromosome
allele
gene
Answers
Answer:
Chromosome. a structure made of DNA that gives the master instructions for a cell.
Answer:
Chromosome
Explanation:
When a reaction is in dynamic equilibrium, what is the free energy difference between the reactants and products?
Answers
Answer:
the difference is 0, because it's in constant equilibrium, meaning there should be no net change.
How are galaxies classified? (1 point)
O by their shape
O by their location within the universe
O by their size
Oby the age of their stars
Answers
Select the plants that produce seeds the same way.
A: Flowering plants, such as the dandelion and coconut tree
B: Flowering plants, such as the marigold and hibiscus
C: Non-flowering plants, such as the cypress tree and an orange tree
D: Non-flowering plants, such as the hibiscus plant and the pine tree
Answers
Flowering plants such as marigolds and hibiscus produce seeds in the same way. Option B.
Seed production in plantsFlowering plants produce seeds in different ways, even though seeds are generally regarded as fertilized ovules.
Some flowering plants produce seeds singly in each fruit, while some produce their seeds inside pods.
Plants like hibiscus, dandelion, and marigold produce their seeds inside pods. However, plants like coconut trees produce single seeds which are usually enclosed in a fruit.
In other words, flowering plants such as dandelion and coconut trees do not produce seeds in the same way. Flowering plants like marigolds and hibiscus, however, produce seeds the same way.
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How do the waves in the electromagnetic spectrum travel?
A. Circles
B. Different speeds
C. Same speed
D.Side to Side
Answers
Answer:
C. Same speed
Explanation:
all electromagnetic radiation travels at the same speed through empty space.
Answer: C
Explanation: I hope it helpss PLEASE BRAINLY for brainlyy
Choose all that apply
Which type(s) of genetic material can viruses have? Check all that apply. [4 answers]
Single-stranded DNA
Double-stranded DNA
Single-stranded RNA
Double-stranded RNA
Plasmids
![Choose all that applyWhich type(s) of genetic material can viruses have? Check all that apply. [4 answers]Single-stranded](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/8i1MIaZAuLSVl1EWZTpT1k1uXQmc52NQ.jpeg)
Answers
The type of genetic material which viruses have include the following below:
Single-stranded DNADouble-stranded DNASingle-stranded RNADouble-stranded RNA.What is DNA?This is referred to as deoxyribonucleic acid and is the genetic material of most living organisms. RNA on the other hand is ribonucleic acid and it also acts as a genetic material.
It ensures that certain traits are passed from the parent to the offspring during the process of reproduction. However, viruses don't contain plasmid as it is common with other microbes such as bacteria. This makes it an exception of the genetic material possessed by a virus thereby making the aforementioned above the correct choice.
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Give the mRNA and amino acid sequence of the DNA code below.
DNA Code: TAC AAA ACC ATG ACT
mRNA Codon: ___ ___ ___ ___ ___
amino acid: ___ ___
___ ___ ___
Answers
Regulated cell death that is a necessary part of development is called
Answers
Environmental engineers minimize the impact of land development on the environment.
Please select the best answer from the choices provided
t or f
Answers
The correct answer is True
Explanation:
The focus of environmental engineering is to create technologies and solutions to prevent environmental pollution and destruction, and in this way protect human societies, as well as, natural ecosystems. This includes solutions to reduce the impact of land development that involves altering natural ecosystems to build houses and other human constructions. In this area, environmental engineers make the use of land for humans efficient and create models that are more friendly to the environment. Thus, the statement is true.
Answer:
T R U EExplanation:
just took the test on and got it right
Which of the following is an environmental cost of commercial agriculture? A. Overconsumption of water B. Efficient milk production C. Crop rotation D. Primary food crops
Answers
Answer: A. overconsumption of water
Explanation:
Every other answer is a a positive
Long-distance runners (26.2 miles) describe Runner’s High as a feeling of euphoria. It is often described as a feeling of being invincible and individuals claim a lost sense of time while running. Runner’s high is believed to be caused by very small molecules called endocannabinoids released by the brain that affect the way a person feels, moves, and reacts. Based on the information above what you know of interacting systems, which of the following two are correct? Group of answer choicesIf the release of endocannabinoid molecules is increased, the runner will not experience the feeling of euphoria and will stop running.The muscular system is not affected by the release of endocannabinoids, which are released by the nervous system.If the function of the nervous system is compromised and endocannabinoids are not released, the function of the muscular system is affected and prolonged endurance will be jeopardized.The release of endocannabinoids at the cellular level plays an indirect role in stimulating muscle contraction.If there is a functional change at the cellular level and endocannabinoids are not released, the effects will be experienced at the tissue, organ, organ system, and organismal level.
Answers
As the paragraph state, it is suspected that endocannabinoids are responsible for this euphoric state, this state leads them to a prolonged endurance and a general energetic feeling so we can say that the third option is correct as well as the first statement as endocannabinoids are a countermeasure of adrenocorticoids released when the body is stressed, and a long run stress the body and releases adrenaline.
. Which of the following is a function performed by the kidneys?
Answers
What might happen to the organisms in the food web below if the number of phytoplankton and vegetation drastically decreased? A food web titled Chesapeake Bay Waterbird Food Web. It shows a very complex food web with many different food chains of various species displayed in 5 categories: Producers, Herbivores, Primary consumers, Secondary consumers, Tertiary consumers. The small fish and wading birds would be affected. Only the small fish would be affected. The small fish, bivalves, and invertebrates would be affected. The entire food web would be affected.
Answers
Answer:
The entire food web would be affected.
Explanation:
The trophic web is the process of energy transference through a series of organisms, in which every organism feeds on the preceding one and becomes food for the next one. The first link is an autotroph organism or producer, such as a vegetable, that can synthesize organic matter from inorganic matter. These organisms are the base of the trophic chain, so whenever their population decreases, they inevitably affect the whole food web.
This is because when one of the links disappears, it affects the superior links as they will not have their food source. So if the primary producers population decreases, Herbivores will not have enough source of food, to feed on. Their growth rate will be limited by this lack. They might be so affected that their population will probably decline. This will affect primary consumers, and so on. The whole chain will be affected because the base of the trophic web is missing.
Answer:
D is your choice.
Explanation:
If a segment of DNA were replicated without any errors, the replicated strand would have the following sequence of nucleotides:
5' - ACTACGTGA - 3'
Sort the following replicated DNA sequences by the type of point mutation each contains (frameshift, base substitution, or neither), as compared to the correct sequence shown above.
Sort the items into the appropriate name as frameshift mutation, base substitution mutation and or neither
5'-ACTCGTGA-3'
5'-ATTACGTGA-3'
5'-ACTACGTGT-3'
5'-ACTAAGTGA-3'
Answers
5'-ACTCGTGA-3' - Frameshift mutation
5'-ATTACGTGA-3' - Base substitution mutation
5'-ACTACGTGT-3' - Base substitution mutation
5'-ACTAAGTGA-3' - Base substitution mutation
Frameshift and base substitution mutationsMutation generally refers to a sudden change in the base sequence in the genome of cells or organisms.
Mutation can occur by:
Deletion of nucleotide bases: outright removal of basesInsertion of nucleotide bases: addition of foreign basesSubstitution of nucleotide bases: displacement of a base or bases by another base or basesThe deletion or insertion of nucleotide bases in such a way that the order of reading the triplet bases that constitute the genetic code changes is otherwise known as frameshift mutation. In order for this to happen, the deleted or inserted bases will not be in multiples of 3.
In other words, frameshift mutation will occur if bases are inserted or deleted but not in multiples of 3.
Thus:
5'-ACTCGTGA-3' is a frameshift mutation because a base has been deleted off.5'-ATTACGTGA-3' is a base substitution mutation because the second C has been substituted by T.5'-ACTACGTGT-3' is a base substitution mutation because the last A has been substituted by T.5'-ACTAAGTGA-3' is a base substitution mutation because the second C has been substituted by A.More on mutations can be found here:https://brainly.com/question/13923224
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ASAP: Which of the following statements about scientific theory is false?
(1 Point)
Scientific theories are explanations of natural phenomena that do not change over time.
Scientific theories are explanations of the natural world based on strong scientific evidence.
Scientific laws that are widely accepted become scientific theories.
Answers
Answer:
im not sure im just telling because you are in hurry i think it is the first answer
10. (04.03 HC)
Which substances are needed for cellular respiration?
Use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration. (10 points)
Answers
Chemical reactions that simulate cellular respiration follow the Law of Conservation of Matter when they are balanced. Six carbon atoms, 12 hydrogen atoms, and 18 oxygen atoms are the same number of atoms as the reactants. C₆H₁₂0₆+60₂ — 6C0₂+6H₂0 .
What is cellular respiration?Through the process of cellular respiration, organisms mix oxygen with food molecules, directing the chemical energy contained in these substances toward life-sustaining processes while excreting carbon dioxide and water as waste. Foods are broken down by organisms that do not require oxygen in a process known as fermentation.
What are atoms?A chemical element is uniquely defined by its atoms, which are small units of a substance. An atom is made up of a core nucleus and one or more negatively charged electrons that orbit it. The positively charged, comparatively hefty protons and neutrons that make up the nucleus may be present. The fundamental building components of matter are atoms. Atoms make up anything that has mass and occupies space.
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A phospholipid . Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a has both polar and nonpolar regions b is made up of a triglyceride bonded to a phosphate group c is a building block of ATP d can donate both cations and anions in solution
Answers
Answer:
A phospholipid
a. has both polar and nonpolar regions.
Explanation:
Phospholipids, as amphipathic molecules, consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol. The phosphate group is the negatively-charged hydrophilic (water-loving) polar head, which face outward and are attracted to the intracellular and extracellular fluid. The fatty acids are the uncharged, hydrophobic (water-fearing) nonpolar tails, which face the inside, away from the water and meet in the inner region of the membrane.