Lichens are a symbiotic relationship between ascomycetes and ____Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a) green algae b) green algae or cyanobacteria c) brown algae d) green algae or glomeromycetes e) brown algae or cyanobacteria

Since the homozygous tall plant has two copies of the dominant allele (TT), all of its offspring will inherit one dominant allele for tallness. On the other hand, the heterozygous tall plant has one dominant allele and one recessive allele (Tt), so half of its offspring will inherit a recessive allele for shortness. Therefore, the cross will result in 100% of the offspring having at least one dominant allele for tallness. Thus, the percentage of the offspring that will be tall is 100%.

It seems like there's a typo in the question. I assume you meant to write that the homozygous tall plant is TT, not tt. So, a homozygous tall (TT) plant is crossed with a heterozygous tall (Tt) plant.

In this case, the possible offspring genotypes are:
- 50% TT (homozygous tall)
- 50% Tt (heterozygous tall)
Since tall is the dominant trait, both TT and Tt will display the tall phenotype. Therefore, 100% of the offspring will be tall.

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Answer:

Heterotrophs

Hope this helps!

PD linked mutation may cause neurodegeneration via different mechanism.

A novel mutation in the α-Synuclein (α-Syn) gene "G51D" was recently identified in two familial cases exhibiting features of Parkinson's disease (PD) and multiple system atrophy (MSA)

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Answer:

A drop of plasma can become a drop of extracellular fluid and then a drop of lymph. Pressure in capillaries forces blood plasma out of the capillaries and into interstitial spaces. The fluid, now called interstitial fluid, becomes lymph as it flows into lymphatic vessels. These vessels return the lymph to the blood at the subclavian veins.

Microorganisms are involved in

a. production of medicinal products.

b.transforming atmospheric nitrogen to a form useful to plants.

c.food production.

d.pollution cleanup.

e.All of the choices are correct.

Microorganisms participate in all the processes mentioned. All of the choices are correct

Microbes can be beneficial as well as harmful.

Some of the beneficial importance of microbes include:

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In this case having a blood type different from either parent is by far the most common result. In most cases, an O parent and an AB parent will have only A or B kids.

The water molecules that are cohesively attracted to one another during capillary action rise up into the straw as one water molecule approaches the straw molecules.

The process of a liquid flowing in a small area without the aid of, or even in opposition to, any outside forces like gravity is known as capillary action. Due to the intermolecular interactions between the liquid and the nearby solid surfaces, it happens. The combination of surface tension, which is brought on by cohesion within the liquid, and adhesive forces between the liquid and container wall act to push the liquid if the tube's diameter is small enough.

Adhesion and cohesion are the names for the characteristics of water that lead to capillary action. Water has a tendency to stick to and rise up the walls of a container due to capillary action. When a tube with a tiny diameter is submerged in water, this is particularly evident. Without any additional force, the water will partially ascend the inside of the tube. Due to the structure of the water molecules and their attraction to the tube walls and to one another, this occurs.

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Enzymes are essential for biological reactions in living organisms. An enzyme is a biological catalyst that speeds up chemical reactions. pH is a critical factor that affects enzyme activity. Enzymes have an optimal pH level, which determines the rate of reaction.

Most enzymes are active at a neutral pH of 7.0.A graph of reaction velocity against pH would show the optimal pH value of the enzyme. The models that can show this fact are bell curves (sigmoid curves) or graphs that have an apex indicating the optimal pH level for enzyme activity. The graph would show the relationship between pH and enzyme activity. The rate of reaction would be at its highest at the optimal pH level. Any deviation from the optimal pH level would cause a decline in the rate of the reaction.

Therefore, a graph would help to identify the optimum pH range for an enzyme, and consequently, enable scientists to manipulate the enzyme's activity by modifying its pH levels. Overall, the graph would aid in understanding the enzyme's characteristics and optimizing its activity. Answer: A bell curve or sigmoid curve would be the best model to show this fact.

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Answer:

3905 million

Explanation:

this's the number

DNA Replication is said to be semiconservative because when replication takes place, one of the original strands of DNA is conserved in every replica.

When DNA replication takes place, the double helix structure of the DNA molecule is broken. It is separated into two single DNA strands, each of these is then duplicated to create two new double helix strands, thus preserving one strand from the parent sample in each replication.

Therefore, due to the fact that each duplicated strand of DNA retains one of the original parent strands, it is said that the process is semiconservative.

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Answer: The answer is radioactive waste

Explanation:  When the major environmental concern related to nuclear power is the creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes. These materials can remain radioactive and dangerous to human health for thousands of years. It uses a lot of radioactivity in atmosphere it can get to the green house.

The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.

Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.

a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.

b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.

d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.

In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.

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The conversion of energy in the flight muscles of a bird is from chemical energy to mechanical energy.

Chemicаl energy is energy stored in the bonds of chemicаl compounds, like аtoms аnd molecules. This energy is releаsed when а chemicаl reаction tаkes plаce. Chemical energy is stored in the food that the bird consumes, and it is converted to mechanical energy when the bird uses its flight muscles to fly.

Mechаnicаl energy (kinetic energy or potentiаl energy) is the energy of either аn object in motion or the energy thаt is stored in objects by their position. This conversion of energy is necessary for the bird to be able to move and fly.

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Answer:

????????

Explanation:

I think structure for traits is _______ because

Answer:

Students identify that atoms are not conserved in nuclear fusion, but the total number of protons plus neutrons is conserved. ... Helium and a small amount of other light nuclei (i.e., up to lithium) were formed from high-energy collisions starting from protons and neutrons in the early universe before any stars existed.

The mineral that you need in the largest amount according to the Recommended Dietary Allowances (RDA) is calcium.

Calcium is an essential mineral required for various physiological processes in the body. It plays a crucial role in maintaining strong bones and teeth, supporting muscle function, aiding in nerve transmission, and facilitating blood clotting. Due to its importance in multiple bodily functions, calcium is needed in relatively larger amounts compared to other minerals.

The RDA provides guidelines for the average daily intake of nutrients necessary to meet the nutritional needs of most healthy individuals. For calcium, the RDA varies depending on age, sex, and life stage. For example, the RDA for adults aged 19-50 years is 1000 milligrams (mg) per day, while it increases to 1200 mg per day for adults over 50 years.

It is worth noting that individual calcium requirements may vary based on factors such as pregnancy, lactation, certain medical conditions, and dietary factors. Therefore, it is always recommended to consult with healthcare professionals or registered dietitians to determine the specific calcium needs based on individual circumstances.

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Answer:

True

Explanation:

It is typically a final step to remove organisms from the treated water before the effluent is released back into the water system. Disinfection prevents the spread of waterborne diseases by reducing microbes and bacterial numbers to a regulated level.

Disinfectants are used to rapidly kill bacteria. They kill off the bacteria by causing the proteins to become damaged and the outer layers of the bacteria cell to rupture. The DNA material subsequently leaks out.

Disinfection is the process designed to kill or inactivate most microorganisms in wastewater, including essentially all pathogenic organisms. Contrast this to sterilization, which is the removal and destruction of all living microorganisms, including pathogenic and saprophytic bacteria, vegetative forms and spores.

Answer:

carbon

Explanation:

The soma of a neuron gives rise to branch-like processes called dendrites.

A dendrite is a region where a neuron receives signals from other cells. Neurons are branchlike specialized structures emanating from the soma. They are the receiving ends of a neuron. The region of the neuron carrying the nucleus is known as the cell body, soma, or perikaryon.  The cell body is the metabolic part of the neuron. The Soma or cell body of a neuron contains the nucleus and other structures like living cells. Like other cell bodies, a neuron's soma contains a nucleus and specialized organelles. Soma is a muscle that blocks pain sensations between the nerves and the brain.

So we can conclude that Soma is used together with rest and physical therapy to treat skeletal muscle shapes such as pain or injury.

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Answer:

I think it's B.

Sorry if i'm wrong tho

Answer:

A and B

Explanation:

I just did the test and i got them right

Answer:

I took this a couple weeks ago and the answer is your thrid option I believe.

Hope this helps :))))

Explanation:

Answer:

Poisson Process. A Poisson Process is a model for a series of discrete event where the average time between events is known, but the exact timing of events is random.

Answer:

Physical characteristics: Freshwater sponges are crustlike, branched, or clumped. The texture is fragile and soft, and the color is whitish or green. Freshwater sponges have irregularly scattered and barely visible water-exit holes.

Geographic range: Freshwater sponges live in North America, Europe, and Asia.

Habitat: Freshwater sponges live in standing and running fresh water.

Diet: Freshwater sponges are filter feeders.

Behavior and reproduction: Scientists know little about how freshwater sponges behave. These sponges reproduce asexually by forming buds in late summer that spend the winter in a dormant state and emerge from the adult in the spring. Freshwater sponges reproduce sexually during the summer, giving birth to live larvae.

Explanation:

Answer:

Explanation:

1)spongilla belongs to phylum porifera

2)its whole body is covered with pores

3) they live in fresh water

4) respiration occur through whole body surface

5) extracellular and intracellular digestion occur

6) asexual reproduction reproduction occur through budding and sexual reproduction occur through the fusion of gametes

Overview. Mental illnesses, also referred to as mental health disorders, are a broad category of ailments that affect your emotions, thoughts, and behaviour.

Serious mental illness (SMI), a more severe subset of mental illnesses, is defined as one or even more mental, behavioural, and emotional disorders that significantly restrict or interfere by one or more significant daily tasks and produce serious functional impairment (NIMH).

For a long time, it was thought that individuals who had borderline personality disorder (Bi polar disorder) had the most severe emotional pain and distress. According to studies, those on the borderline go through considerable and prolonged emotional pain.

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First one is chlorophyll, second one is mitochondria.

Answer:

Heterozygous people for sickle cell anemia are more resistant to the debilitating effects of malaria than the normal homozygous people.

During a contraction, the A band shortens, while the I band and the H zone lengthen.The sarcomere is the basic unit of contraction in a muscle.

It is made up of actin and myosin filaments, as well as several other proteins that aid in the contraction process. During a contraction, the sarcomere shortens, causing the muscle to contract. However, not all parts of the sarcomere shorten equally. In the sarcomere, the I band is the lightest-colored band and consists of only actin  filaments. The H zone is the area in the center of the sarcomere that consists of only myosin filaments. Finally, the A band is the darkest-colored band in the sarcomere and consists of both actin and myosin filaments.

During a contraction, the A band shortens, while the I band and the H zone lengthen. Therefore, the correct answer to this question is that the I band does not shorten during a contraction.During a contraction, the A band shortens, while the I band and the H zone lengthen. Therefore, the correct answer to this question is that the I band does not shorten during a contraction.

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