Answer:
tight junction
is the answer
Which level of producers or consumes would be MOST affected by trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds
The secondary level of consumers will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds.
What are ProducersProducers are mainly plants that undergo photosynthesis to produce carbohydrates and oxygen.
ConsumersConsumers are herbivores or canivores or omnivores that feed on primary producers like plans and others.
Consumers can be primary which feed on plants examples are goats.Secondary consumer are canivores that feed on meat of other animals, they feed on primary consumer.Tertiary consumers feed on both plants and meat of other plants.Therefore, The secondary level of consumers such as fish will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds because they live in water and their food is in water. Once the substances are in their water, it will become toxic and can lead to their deaths.
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Answer to 20…………………..
Founders effect and bottle neck effect are examples of random chance events that result in
variations in the relative frequency of different genotypes in small populations. These are examples
of
codominance
O mutations
O speciation
O genetic drift
Genetic drift is a stochastic process that acts by changing the allelic frequencies of species over time, founders effect and bottle neck effect are examples of this process.
What is genetic drift?It is a stochastic process that produces a change in the allele frequencies within the population, this means that they increase or decrease by chance.
The main genetic effects of a bottleneck are loss of genetic variability and the founder effect can cause traits to become fixed in a species that, in a larger population, never would.
Therefore, we can conclude that founders and bottleneck effects are one of the clearest causes of genetic drift mechanisms, along with resource limitations in a given environment.
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Which of these statements are true of DNA replication during the cell cycle?
Answer:
Explanation:
The statements that are true with respect to DNA replication are:
A. DNA replication is semiconservative.
D. The cell leaves S phase with two copies of each of its chromosomes.
DNA replication can be defined as a semiconservative biological process, through which two (2) identical replicas of deoxyribonucleic acid (DNA) molecules are produced from an original deoxyribonucleic acid (DNA) molecule, especially during cellular division.
Hence, DNA replication is a semiconservative biological process which involves the duplication of a double-stranded DNA to produce two (2) identical deoxyribonucleic acid (DNA) molecules i.e one (1) original and one (1) new strand.
We can deduce the following points from the above:
DNA replication is a semiconservative biological process.
During the S phase, the cell leaves with two (2) identical replicas of deoxyribonucleic acid (DNA) molecules i.e two (2) copies of each of its chromosomes.
but you didn't state your statements so I can't really tell what statements you had.
The use of computer science to analyze biological data, such as DNA sequence comparison data, is known as ________.
"Does Exercise Increases Cellular Respiration?"
What do you think and why?
Answer:
yes
Explanation:
The reason why exercise increase cellular respiration is that when you do exercise daily it tend to make you release all the respiration in you that is bad
Please help in science!! Need answer asap!! With clear explanation please!!
You built this tree using only dna information. Why was examining dna better than considering physical traits?.
DNA is better than considering physical characteristics, because physical characteristics can be confusing and impersonal, since DNA is a unique code, capable of discovering ancestry without error.
What is abridged DNA?DNA (deoxyribonucleic acid) is a nucleic acid that contains all the genetic information of an individual. DNA is a type of nucleic acid that plays a fundamental role in heredity, being considered the carrier of the genetic message.
With this information, we can conclude that DNA is better than considering physical characteristics, as physical characteristics can be confusing and impersonal, since DNA is a unique code, capable of discovering ancestry without error.
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Answer:
D. all of the above
The steps of the scientific method are listed below. Check the box next to each step of the scientific
method that you think communication plays an important role in.
Ask a question based on observation and research.
Form a hypothesis.
Make a prediction.
Perform an experiment.
Analyze results and draw conclusions.
Accept or reject the hypothesis.
Record and communicate results.
Answer:
It's the first one, never is ask a question first. hypothesis is first.
Explanation:
Answer:
A,E,G
Explanation:
Periods between ice ages are:
A) interglacial periods
B)solar intensity periods
C)due to earth's orbital changes
D)all of the above
Periods between ice ages are:
✒ AnswerA) interglacial periods
The Ice Ages began 2.4 million years ago and lasted until 11,500 years ago. During this time, the earth’s climate repeatedly changed between very cold periods, during which glaciers covered large parts of the world (see map below), and very warm periods during which many of the glaciers melted. The cold periods are called glacials (ice covering) and the warm periods are called interglacials
Where does the carbon that plants use for photosynthesis come from?
O air
o water
O soil
o other plants
True/False. Multiple polypeptides joined together represents the tertiary level of protein organization.
It is TRUE that multiple polypeptides joined together represents the tertiary level of protein organization.
See image please :)
please help me love you thanks
Answer:
E.
Explanation:
first answer = brainliest
Answer: 125c cm3
Explanation: done!
I would say 30cm, bc each 6 side is 5cm and if we multiply 5x6 it will give us 30cm
What are some factors that could positively affect respiratory volumes and capacities?.
Answer:
health
Explanation:
positivity, I guess good health let's more air in and out Proberly
In a cattle breed, dark red color is incompletely dominant to white. The hybrid condition is roan in color.
What is the % chance of having a dark red calf if two roan cattle are bred?
Answer:
There would be a 60% since the dark red color is incompletely dominant, that would contrast different with the white breed. Having a dark red calf is possible but there can also be in the mid low percentanges.
Small organs associated with lymphatic vessels are termed.
Answer:
lymph nodes
Explanation:
cuz when small organs associated with lymphatic vessels are termed they are lymph nodes
what is the genotype of parent 2?
Answer:
Scientists use the term genotype to refer to the combination of mother and father genes in the person's make up. AA, AO and OO are the 3 genotypes that may result from the mating of the parents in the example above. Scientists use the term phenotype to refer to what gene is actually expressedWhat is one situation in which population density could have a negative impact on the production of offspring?
Answer:
Population growth decreases as the population density increases.Explanation:
This may be true for non-human populations but our species has developed the ability to modify the environment to sustain a huge population size.
Population growth decreases as the population density increases. If the individuals of a population are less and spaced widely apart, it may seldom encounter one another, making reproduction rare.
What is population density?Population density can be defined as the average number of people reside in a given area and it is calculated by dividing the total number of people in a certain area by the size of the area.
The measurement of population density is normally represented as the number of people per square kilometer, several physical factors like space constraints, land topography, resources, and climate can affect population density.
Other Human factors like politics, lifestyle, and economics can affect population density; Extreme climate means too cold, hot, wet or dry, too high and too steep, Infertile land
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From what does oil form?
A.) terrestrial plants
B.) dinosaurs
C.) lava or magma
D.) marine organisms
Answer:
A i believe
Explanation:
Answer:
D.
Explanation: Oil formed from the remains of marine plants and animals that lived millions of years ago, even before the dinosaurs.
In the central dogma, the rna-to-protein step is termed.
Answer:
translation
Explanation:
a process called translation uses this mRNA as a template for protein assembly. In fact, this flow of information from DNA to RNA and finally to protein is considered the central dogma of genetics, and it is the starting point for understanding the function of the genetic information in DNA.
EPA scientists performed an experiment where coal was
burned in different chambers at varying temperatures to see
how temperature impacts the amount of NO, produced by
coal combustion.
Explain how the results of the study would be expected to
change if the same experiment were repeated with natural
gas.
The results of the study would be expected to change if the same experiment were repeated with natural gas in the area of a decrease in the reaction time.
What is Reaction time?This is the time frame between when a stimulus and a response or total time taken for a reaction to occur.
Natural gas produces steady amount of heat with a higher temperature which leads to a decrease in reaction time.
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What is photosynthesis? where does it take place in a plant and what products are produced as a result?
please help me with this question
Answer:
Photosynthesis is when a plant makes food for itself and releases oxygen.
Explanation:
Photosynthesis takes place in the chloroplast of a plant cell, the plant absorbs the light from the sun, takes in carbon dioxide (CO2), and absorbs water from either water on the leaves, or ground water soaked up by plant roots. The light, water, and carbon dioxide get turned into glucose (plant sugar) and oxygen. For humans, they take in sugar and oxygen, and using cellular respiration, they turn the oxygen and sugar into carbon dioxide.
MY GOD HURRY UP PLEASE I BEEN WAITING ALL DAY FOR HELP!
Do it like this! ANSWER ALL 5
Question 1 answer
Question 2 answer
Question 3 answer
Question 4 answer
Question 6 answer
Answer:
Question 1 answer
Plate tectonic began in 1915 when Alfred Wegener proposed his theory which was continental drift. Usually scientists use waves to study the difference of the layers of earth. They use seismic waves. seismic waves are generated by earthquakes or nuclear-test explosions.
Those 3 pieces would be the fit of the continents, paleoclimate indicators, and geologic features. The rock formations of eastern North America, Northwestern Africa and Western Europe were found later to have a common origin. They were found to overlap.
Question 2 answer
Location 1: The ocean waves atlantic
Location 2: Platforms
Location 3: Sea stacks pacific
Question 3 answer
(This is in the ss)
I dont know the other ones sorry
The Department of Agriculture manages Cooperative Extensions through what?
Answer: their expertise and programs are delivered to the residents of New Jersey
1. Name two biological processes that require cell division
2. Describe the relationship between the following terms: Chromosome, DNA and gene.
3. Why do you think it’s important that the DNA is copied before a cell divides?
Answer:
1.) Mitosis and Meiosis
In mitosis, a somatic cell divides in order to create two identical daughter cells. In meiosis, a germline cell divides twice to create four gametes.2.) A chromosome consists of two sister chromatids, each made up of tightly wound DNA. On these DNA strands are genes, which are specific sequences of nucleotides.
3.) It is important that the DNA is fully copied before the cell divides because cells always need DNA. If the DNA is not copied, one of the new daughters cells would not contain any DNA. Without DNA, the cell will no longer have the instructions necessary to perform its normal functioning.
Label the parts of the cell!
Ans.F.
Ex. because its come from the red thingy
Use the diagram to answer the following questions:
In which phase above do sister chromatids line up at the middle of the cell?
is it b or f?
Answer:
f i think
Explanation:
A bacterial operon is usually turned on, but it can be turned off when it is not needed. This is a(n) _______ operon.
Answer:
repressible
Explanation:
how different parts of the human digestive system help to break down molecules of fat so that they can be absorbed into the body.