Which statements describe asexual reproduction? Check all that apply

Answer:

The correct answer is 1. Greater than 0%. An allele to become common must have a frequency of at least 0.005%

Explanation:

A polymorphic gene has more than two alleles. The more alleles there are in a population, the more polymorphic the gene is.

In a polymorphic gene, the allelic frequency of the most common allele must be minor of 99%, while the less common allele must have an allelic frequency superior to 0.005%. If any allele does not reach this frequency in the population, it is not considered to be common. In fact, it is considered to be a rare allele.        

Answer:

The side groups are what make each amino acid different from the others. Of the 20 side groups used to make proteins, there are two main groups: polar and non-polar. These names refer to the way the side groups, sometimes called "R" groups, interact with the environment.

Explanation:

Answer:

Incomplete Penetrance. Some genes are incompletely penetrant.

Sex-limited genes are ones that are inherited by both men and women but are normally only expressed in the phenotype of one of them. The heavy male beard is an example.

Pleiotropy. A single gene may be responsible for a variety of traits.

Stuttering Alleles.

Explanation:

Answer:

Centrosome

Explanation:

Spindle fibres pull the chromosomes apart.

Answer:

The organelle that produce spindle fibers are centrosome,

The main function of the spindle fibers is to pull the chromosomes apart.

Answer: Vegetable oil

Answer:

ufucufxdskych jvyc ikvuci

Explanation:

tgffgb t cook ha ha ha oh g civic guy the h

Answer:

thanks homie

Explanation:

Answer:

B

Explanation:

Whether the object is travelling toward or away from us for PLATO.

Answer:

b whether the object is traveling toward or away from us

Explanation:

i just got the answer right on the test

Answer:The fabulous ability of an embryo to diversify and of certain adult tissues to regenerate throughout life is a direct result of stem cells, nature's gift to multicellular organisms.

Explanation:

Answer:

They perform photosynthesis, releasing oxygen into the atmosphere as a by-product.

Explanation:

Around the time that cyanobacteria appear around 3.2 billion years ago, the oxygen levels rise sharply.

Cyanobacteria are photosynthetic organisms. They possess the photosynthetic pigment chlorophyll, meaning they can trap light energy and use it to power chemical reactions to synthesise glucose. They convert carbon dioxide and water into sugar, releasing oxygen into the atmosphere as a byproduct. This causes oxygen levels to rise.

Answer:

Cyanobacteria are microbes that live primarily in seawater. They are believed to have been the first organisms on Earth to perform oxygenic photosynthesis. In this process, they produce organic carbon, the building blocks of life's molecules, and release oxygen gas (O2).As oxygen photosynthesis starts,that's when the first O2 producing of cyanobacteria occurs.The graph reaches a peak at Cambrian explosion.

Answer:

CNS controls eating by homeostatic mechanisms that interact  with different cognitive control systems (e.g., memory, reward, attention, etc)

Explanation:

In the brain, eating control is modulated by different systems:

1- Homeostatic control: the hypothalamus plays a key role by controlling both the appetite and food intake

2- Attention: the parietal and visual parietal cortices are involved in sensory perception and integration

3- Emotion and memory: amygdala and hippocampus

4-Cognitive control: the prefrontal cortex (i.e., executive functions)

5-Reward: associated with the functioning of the striatum

In the first place, external signals such as, for example, neurotransmitters and hormones, are received by the hypothalamus that interacts with different systems (reward, emotion, memory) in order to achieve a homeostatic control of eating. Neuronal stimulation (for example, when we view foods), is achieved by the supply of oxygenated hemoglobin.

Answer:

Tim's, because his average speed is 0.2 miles/hour greater than Lara's average speed

Explanation:

Tims was greater than Lara's with an average speed of 0.2 miles/hour.

Hope this helps!

Answer: Tim's, because his average speed is 0.2 miles/hour greater than Lara's average speed

Explanation:

how i know is i got a brain and i got this question right :)

All of the following events occur during prophase in mitosis except crossing over (Option B)

In conclusion, condensation of DNA, the pairing of chromosomes and, spindle formation occur during prophase, whereas crossing over occurs in prophase I of meiotic cell division (Option B).

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Answer: Energy is what makes change happen and can be transferred form one object to another. Power is the rate at which energy is transferred.

Answer:

Lipids (Fats)

Answer:

the heart is what makes every moving part working inside our body even though the brain is the one who tells them or gives them signals to work. the heart is what keeps them alive and if the heart takes any kind of negative damage the would not take care of everything it's supposed to.

Explanation:

Hope this helps

The body part picked is ;  The Heart

An injury or disease to the heart will stop the whole body functioning and the process modeled will be distorted

The heart in the body is equivalent to the engine of a car, The heart pumps oxygen carrying blood cells into all the organs and without this oxygen carrying blood cells the whole body will stop functioning ( i.e. The organs will be dead ).

An injury or disease to the Heart will negatively affect the distribution rate of blood to all parts of the body and this will negatively affect the overall wellbeing of the body and this will also negatively affect the process been modeled as well.

Hence we can conclude that The body part picked is ;  The Heart , and An injury or disease to the heart will stop the whole body functioning and the process modeled will be distorted

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Answer:

I believe this is C) ecosystem impact

Explanation:

The interactions between human population dynamics and the environment have often been viewed mechanistically. This review elucidates the complexities and contextual specificities of population-environment relationships in a number of domains. It explores the ways in which demographers and other social scientists have sought to understand the relationships among a full range of population dynamics (e.g., population size, growth, density, age and sex composition, migration, urbanization, vital rates) and environmental changes. The chapter briefly reviews a number of the theories for understanding population and the environment and then proceeds to provide a state-of-the-art review of studies that have examined population dynamics and their relationship to five environmental issue areas. The review concludes by relating population-environment research to emerging work on human-environment systems.

Answer:

The new solution has a higher concentration than the isotonic saline solution

Explanation:

Here, we want to deduce what has happened in the question.

We are told that the level of the isotonic saline solution dropped because it was connected an unknown solution using a semipermeable membrane.

Since the level of the solution dropped, then it must have occurred that there has been the loss of some of the molecules of the solution.

What has occurred is the process of Osmosis

Osmosis simply involves a movement through a semipermeable membrane of solvent molecules due to the fact that the previous solution is of lower concentration than the present one.

So what we can see here is that there has been a movement due to osmosis as a result of the fact that the new solution has a higher concentration than the former one

Answer:

The answer is D Each part is connected to all the others

Explanation:

While each part is different they interact with eachother to exchange matter and make life possible :) Hope this helps!

The true statement among the given options of the many parts of the biosphere is option D. Each part is connected to all the others.​

The biosphere is the ecosphere consist of air, land, water, and rocks all parts where life is found or possible. It is made up of parts of all ecosystems where life exists on earth.

The biosphere has three major parts that interact with one another where life is found:

All these parts are interconnected with other parts of the biosphere there are no isolated parts.

Thus, the correct answer is - D. Each part is connected to all the others.​

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Answer:

during the winter solstice is the correct answer

Explanation:

I took the test

During the winter solstice, the Northern Hemisphere receive the fewest direct rays from the Sun.

During the winter solstice, the sun's rays strike the Northern Hemisphere at the smallest angle which results in the fewest number of daylight hours  in Northern Hemisphere.

So we can conclude that during the winter solstice, the Northern Hemisphere receive the fewest direct rays from the Sun.

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Answer:

Esophagus

Explanation:

esophagus provides a passway between the mouth and stomach otherwise it has no other major function in digestion, absorption and elimination.

Answer:c

Explanation:

Answer:

higher blood pressure

Explanation:

when the vessels constrict they get smaller therefore in order for the blood to be pumped through the body the heart would have to work harder resulting in a higher blood pressure

Answer:

increased blood pressure resulting in risk of heart attack

Answer:

the answer is d opinion

Answer:

1. Isovolumetric relaxation.

2. Ventricular filling.

3. Isovolumetric contraction.

4. Ventricular ejection.

5. Ventricular filling.

6. Ventricular ejection.

7. Isovolumetric contraction.

Explanation:

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

The following terms describe the physical or mecahnical events with the correct phases of the cardiac cycle in mammals (human beings).

1. Isovolumetric relaxation: All 4 cardiac valves are closed and all 4 chambers are relaxed during this phase.

2. Ventricular filling: The maximum amount of blood is in the ventricles at the end of this phase.

3. Isovolumetric contraction: The pressure in the ventricles is higher than in the atria, but lower than in the arteries, during this phase.

4. Ventricular ejection: The semilunar valves are open and the AV valves are closed during this phase.

5. Ventricular filling: The atria contract at the end of this phase.

6. Ventricular ejection: The pressure in the ventricles is higher than the pressure in both the atria and the arteries during this phase.

7. Isovolumetric contraction: Systole begins with this phase.

Answer:

A

Explanation:

Essentially, in the process of protein synthesis, there is first transcription where mRNA is synthesized off of a DNA strand with complementary nitrogenous bases. After processing occurs (in basic terms the mRNA is literally processed) and the mRNA strand leaves the nucleus, it attaches to a large and small ribosomal subunit (a ribosome) where translation occurs. The gist of it is when the mRNA strand is being read by the ribosome. tRNA will come over and bind temporarily bringing with it a specific amino acid, starting the formation of the polypeptide/amino acid chain. Nitrogenous bases play into this as the sequence of the nitrogenous bases is what determines what tRNA will bind onto it which determines which amino acid is brought. More specifically, this deals with the codons of the mRNA and the corresponding anticodons with the tRNA, which is a bit of a more specific topic.

The nitrogenous bases help complete the sugar-phosphate backbone of DNA molecules. The correct option is C.

DNA, also renowned as deoxyribonucleic acid, is a complex molecule that includes all of the information required to construct and retain a lifeform.

DNA is found in the cells of all living things. In real sense, as in almost every cell in a multicellular organism contains the entirety of the organism's DNA.

DNA is composed of chemical key components known as nucleotides. These building blocks are composed of three components: a phosphate group, a sugar group, and one of four different types of nitrogen bases.

Nucleotides are linked together in chains, with the phosphate and sugar groups alternating.

Thus, the correct option is C.

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