PLEASEE help fast!!!!!!!

PLEASEE Help Fast!!!!!!!

Answers

Answer 1

Answer:

I think its fourth one

Explanation:

4 th one only guess


Related Questions

identify a process that could cause a new pesticide resistant gene to appear in a mosquito population (short written response)​

Answers

Genetic Engineering
Gene transfer causes trait transfer

I’m not sure sorry

Sustainability can be achieved through careful resource management. please select the best answer from the choices provided t f

Answers

It is a a true statement that; Sustainability can be achieved through careful resource management.

What is sustainability?

The term sustainability has to do with the ability to utilize resources in a way that they are not quickly depleted or degrade the environment. Sustainability is the reason behind all environmental conservation efforts of governments around the world.

It is a a true statement that; Sustainability can be achieved through careful resource management.

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Answer:

It is True.

Explanation:

Which type of scientific statement is defined as a statement of fact that is generally accepted to be true and universal
because it has always been observed to be true?
O theory
O probability
Olaw
Ohypothesis

Answers

I think it's theory

Please give brainliest

A scientific law is a factual claim that is commonly acknowledged to be true or universal because it has consistently been seen to be true.

Thus, Only a law among the alternatives is acknowledged as being universal.

After several years of experiments, a finding is recognized as a law. It must demonstrate its universality in order to be regarded as such at any time and in any location on Earth.

A theory is merely the best explanation for a fact, and it can be abandoned when a better one emerges. As a result, it is impossible to predict how long a theory will last.

Thus, A scientific law is a factual claim that is commonly acknowledged to be true or universal because it has consistently been seen to be true.

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the periodic table contains a lot of information in it. with the help of that information calculate the number of neutrons present in non-metallic elements of the periodic table.

Answers

Answer:

No. of neutrons = mass no. - atomic no.

Explanation:

I hope it helps u dear! ^_^

An enzyme and four different molecules are
shown in the diagram below.
Enzyme
The enzyme would
most likely affect
reactions involving
a
A
B C D
Molecules
A molecule A, only
B molecule C, only
C molecules B and D
D molecules A and C

Answers

The question is incomplete but I attached the diagram here and it is likely that the enzyme affects reactions involving molecule C.

What is a chemical reaction?

A chemical reaction is a process where molecules called reactants are converted into products.

An enzyme is a biological catalyst that shows specificity on one reactant, whereas molecules can be either reactants or products.

Enzymes are proteins that act as biological catalysts by speeding up the velocity of a chemical reaction.

In conclusion, the question is incomplete, but I attached the diagram and it is likely that the enzyme affects reactions involving molecule C..

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A genetic problem caused by an issue in the organizms gene's

Answers

Answer:

A genetic problem caused by an issue in the organisms gene's is called genetic disorder.

A genetic disorder is a disease that is caused by a change, or mutation, in an individual's DNA sequence. A genetic disorder is an illness caused by changes in a person's DNA.

A genetic disorder happens when a gene (or genes) has a problem with its code, and this causes a health problem

State 2 features each viruses have in common with non living things

Answers

Answer:

1. Viruses are unable to respire

2. Viruses are unable to excrete

Explanation:

Both respiration and excretion are essential parts of the life processes of living organisms. Viruses, however, are unable to perform these processes and are therefore considered non-living.

What are effects of deforestation on biodiversity

Answers

Answer:

Deforestation can directly lead to biodiversity loss when animal species that live in the trees no longer have their habitat, cannot relocate, and therefore become extinct. Deforestation can lead certain tree species to permanently disappear, which affects biodiversity of plant species in an environment.

where is Ground tissue is found in plants

Answers

Ground tissue are found between the vascular and dermal issues of the plant.

A student mixes various molecules needed for DNA replication. When he adds DNA, replication occurs, but each DNA duplex consists of a normal DNA strand paired with numerous segments of DNA that are a few hundred nucleotides long. What has been left out of the mixture

Answers

Answer: DNA Ligase

Explanation:

During DNA replication, both the parental DNA strands are separated and act as templates for the synthesis of new strands. The formation of the new strands occurs in only 5'-3' direction and thus both the strands are synthesized in a different manner. One new strand with the template of 3'-5' direction will be synthesized continuously and is called a leading strand. The other strand with the template of 5'-3' direction will be synthesized discontinuously in the form of DNA fragments. These fragments are called Okazaki fragments and the strand is called a lagging strand. DNA ligase connects these fragments later to form a continuous lagging strand.

Therefore, DNA ligase is required for ligation of Okazaki fragments, and in absence of DNA ligase, the ligation of fragments will not occur and the newly synthesized strand will be discontinuous. However, if DNA ligase is not present in the reaction mixture, then the chances are that not all the newly synthesized DNA strands will be discontinuous. Only the DNA molecule with the lagging strand will be in the form of fragments.

In a population of birds, the color of their feathers is controlled by an incompletely dominant gene. Homozygotes of one type are sky blue, homozygotes of the other type are mauve, and heterozygotes are cobalt colored. Population 1 contains 10,000 birds and 6,400 of those 10,000 are sky blue. Population 2 contains 10,000 birds and 900 of those 10,000 are sky blue. Both populations are under Hardy-Weinberg Equilibrium. Determine the HWE frequencies of each color in each population separately.

Answers

Answer:

if it contains 10000 than it must be 100373282

Explanation:

Changes in ecosystems can be attributed to natural causes, such as natural disasters, seasonal variations in climate, currents, and tidal activity. Many of these changes can affect the amount of food resources available in an ecosystem. Research one natural change that currently affects or could affect the aquatic ecosystem you chose. Use your food web model to explain how this change can affect the competition of food resources in your aquatic ecosystem.

Answers

The reduction of food sources results in the competition of food resources in the aquatic ecosystem.

How natural disaster can leads to the competition?

Severe storm occurs in the water which adversely affected the aquatic ecosystem. This change can affect the competition of food resources in your aquatic ecosystem because the food on which the aquatic animals feed is destroyed by the storm. So less food is available for the organisms which leads to competition between organisms.

So we can conclude that the reduction of food sources results in the competition of food resources in the aquatic ecosystem.

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During lunch each day, Alex and Hailey have been noticing the trashcans around the lunchroom are filling rather quickly with cans and bottles. They decide a recycling program would be beneficial for their school and the environment, so they brainstorm ways to get the program started. Before discussing their idea with the principal, they need to decide which of their plans would best solve the problem. Which of their ideas would best solve the problem with the least amount of inconvenience (disturbance) for everyone involved?
options:
A. Place plastic and metal recycling bins next to each lunchroom trash can.
B. Remove all vending machines that sell plastic bottles or aluminum cans.
C. Get a petition started to build a recycling center close to the school.
D. Ask volunteers to separate recyclable materials from the trash.

Answers

A. Place plastic and metal recycling bins next to each lunchroom trash can.

Hope this helps!

Plase help and thanks.

Answers

I think no4 isthe best answer

a food worker needs to thaw a package of ground beef

Answers

Answer:

Under cold water

Explanation:

This is how me and my family thaw beef

Question 22 of 34
How does a fetus receive nutrients before birth?
A. Directly from the mother's digestive system
OB. Through the umbilical cord
OC. The fetus doesn't need any nutrients until birth.
OD. By drinking amniotic fluid

Answers

Answer:0B

Explanation:it receives it through the umbilical cord

WILL MARK BRAINLIST!!​

Answers

Answer:

its gonna be a female

Explanation:

Which of the following is NOT a feature found
in nematodes?
A. complex nervous system
B. bilateral symmetry
C. fluid-filled body cavity
D. digestive tract with two openings

Answers

Complex nervous system is not a feature found in nematodes and is denoted as option A.

What are Nematodes?

They are also referred to as roundworm and have unsegmented thread-like body with a distinct mouth and anus.

They have a simple nervous system which runs along the length and width of the organism.

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Drag each characteristic to the correct category.
viruses do not possess all the characteristics of life. identify those characteristics that viruses display and those they don't display.
made up of one or more cells
has a defined boundary
uses energy
exhibits growth and development
possesses internal organization
eliminates waste
characteristics of life
present in viruses
characteristics of life absent
in viruses

Answers

Viruses are organisms that share traits with both living and non-living organisms. The virus' genetic material is made up of both DNA and RNA.

What are the characteristics of virus?

Viruses have an exterior capsule layer and a specified boundary. Only the host cells provide energy to the virus. They thrive and mature, multiplying their numbers solely within the host cells.

Characteristics which virus do not display:

A virus is a single-celled with no more than one cell. In the virus, there is no internal organization. If a virus is present outside of the host environment, it does not grow, develop, or require energy. Viruses do not remove trash.

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In an experiment, a scientist decides to study the effect of exercise on cholesterol levels in people. He studies two set of people—those who exercise every day for an hour and those who don’t exercise at all. In this case, the statement that people who exercise for an hour may have lower cholesterol levels is
. To test this statement, the scientist would measure cholesterol levels in exercisers and non-exercisers. The cholesterol levels would be

Answers

The exercise reduces the levels of the low-density lipoproteins or the bad cholesterol. It is found that, the people, who exercise daily have a low level of low-density lipoproteins, and an increased level of high-density lipoprotein, which is also known as good cholesterol.

What is Scientific hypotheses?

Scientific hypotheses, in general, are the premises within a given theory, which can be validated on the basis of a scientific method, contributing to the formulation of new hypotheses. In this experiment the theory says that cholesterol levels between people who exercise and people who do not exercise is different. Within this theory, the statement says that people who exercise for an hour may have lower cholesterol levels, is a hypothesis that will be confirmed or refuted after the experiment.

The dependent variable is summarized in the phenomena or factors explained or identified, because they are influenced or determined by the independent variable. In this experiment the independent variable is the performance (or not) of exercises. Exercise is what influences or determines cholesterol levels in this study. Thus, cholesterol levels are a dependent variable.

Hence, to check whether a person exercises regularly or not, the scientist can determine the cholesterol level.

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Which of the following is a true statement?

A. Light energy causes water molecules to split up.

B. Light energy bonds the carbon and oxygen together to make carbon dioxide.

C. Light energy creates water molecules.

D. None of the above​

Answers

Answer:

A is the answer make me Brainlist

When you donate blood, you give around one pint. How much blood do you have in your body to start with?.

Answers

We have about  1.2-1.5 gallons of blood in our body as adults in this case.

What is Blood?

This is the major fluid in the circulatory system which helps in the transport of essential substances such as nutrients etc.

One pint of blood is approximately around 10 percent of the blood we have in our body.

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List and describe the five kingdoms of life. Who developed this system? What is the basis for the divisions? Why is it important to the study of biology?

Answers

Answer:

Living things are divided into five kingdoms: animal, plant, fungi, protist and monera. Living things are divided into five kingdoms: animal, plant, fungi, protist and monera.

Identify the viral structure described.

have a capsid that has polyhedral and helical characteristics, and may have extra structures like protein tails. Bacteriophages are examples.

have an outer lipid bilayer known as a viral envelope, which is studded with proteins. Influenza and HIV are examples.

have many triangular faces. Most have 20 triangular faces and 12 corners. Polio and the papilloma virus are examples.

have long narrow capsids shaped liked cylinders. Rabies and ebola are examples.

Answers

1. Complex viruses

2. Enveloped viruses

3. Polyhedral viruses

4. Helical viruses

What is virus structure?

Viruses are infectious particles comprising of two components:

An outer structural component called the Capsid.

The inner genetic material made of single stranded or double stranded RNA (Ribonucleic Acid) or DNA (Deoxyribonucelic Acid).

The Capsid structure is made up of glycoproteins.

These glycoproteins are encoded by genes present in the viral genome.

The viruses are incapable of reproducing on its own.

They infect the host cells and hijack their metabolic machinery which includes the protein-synthesizing machinery and also utilize the raw materials of the host cells to produce the progeny virions which are then released out the host cells.

The capsid structure is responsible for packaging the viral genome and protecting it from various degrading agents present in the external environment like nucleases.

Thus, this could be the answer.

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Q)Bacteria can be used to make human proteins.
Which statement explains why this is possible when a human gene is placed in a bacterial cell?

A) Bacteria are able to reproduce rapidly.

B) Bacteria are very small organisms.

C)
Bacteria contain genetic material in plasmids.

D)
Bacteria have the same genetic code as humans.


isnt the answer C?

Answers

Answer:

B. Bacteria are very small organisms.

Police use DNA evidence to identify fingerprints.
True
False

Answers

Answer: True

Explanation:

I hope this helps

plase and help my plese . ammm

Answers

Organisms with soft bodies decay long before they can be fossilized.

Fossilization

Fossils are formed from the remains of plants or animals.

The soft parts of organisms decay or decompose while the hard parts have the tendency to fossilized.

The soft parts of organisms are acted upon by microbes. They extracellularly digest the materials and absorb the digested materials as their own food.

The remaining materials either become soil organic matter or become fossilized and preserved in the soil.

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I need help with this

Answers

A. Sister chromatids. B. Homologous chromosomes. C. Meiosis 1. D. Meiosis 2

What relationships exists between frogs and fishes in a pod

Answers

Answer:

The relationship between frogs and fishes in a pod is predation.

                 

Does Planet Nine follow Kepler’s Second Law?

Answers

Yes, the planet obeys the Kepler's Second Law. It is because it moves at equal time of one month at the same distance.
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