A cell's metabolism is caused by ___.
A. A growth spurt in the cell
B. The cell dividing
C. Chemical reactions inside the cell

Answer:

The lytic cycle involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. The lysogenic cycle involves the incorporation of the viral genome into the host cell genome, infecting it from within.

Explanation:

Answer:

Is this a multiple choice?

Explanation:

A. Biological Weathering

if multiple choice

E. Physical Weathering

A. Biological Weathering

D. Chemical Weathering

Dietary lipids enter the lymphatic system through tiny lymph vessels called lymphatic capillaries.

Lymphatic capillaries are formed from a single layer of epithelial cells that are connected by intercellular junctions. These capillaries form a network throughout the body and connect to larger lymphatic vessels which drain into the subclavian veins. The lymphatic capillaries are responsible for the absorption of dietary lipids and the transport of lymph. The lipids are absorbed into the capillaries, which then transport them to the lymphatic vessels. From there, the lipids are delivered to the bloodstream, where they can be used for energy or stored in adipose tissue. The lymphatic system also plays an important role in immunity, as it helps to transport white blood cells and antibodies throughout the body.

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Answer:

: A decrease in pH is too acidic compared to optimum pH for amylase activity.

Red blood cells lack nuclei in them. This provides more space for the cell to store hemoglobin.

What is the purpose of red blood cells?

Red blood cells are in charge of transporting oxygen from your lungs to your body's tissues. Your tissues use oxygen to produce energy and emit carbon dioxide as waste. Your red blood cells transport the carbon dioxide waste to your lungs, where you exhale it.

Due to the lack of a nucleus, hemoglobin also known as the oxygen-binding protein, allows the red blood cells to transport more oxygen. RBCs are also biconcave in shape, which increases the surface area available for oxygen diffusion across their surfaces.

Therefore, RBCs lack nuclei, which help transport more oxygen to the tissues.

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Answer:

False

Explanation:

just took test

The vertical point in a river where water drops is called a "waterfall."

A waterfall occurs when the river flows over a steep drop or a vertical point, causing the water to fall from a significant height. This creates a beautiful natural feature and can also generate energy through the force of the falling water.

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Answer:

Option A

Explanation:

Answer:

mineral ions present in the liquid collection such as Mg2+ which is to be carried to the leaf of the plant essentially for chlorosis

To increase the strength of a nerve signal neurons will  : ( A ) Increase the frequency of the action potential

A nerve signal is a charge that runs through a nerve fiber and travels down to another neuron. As the strength of a nerve signal increases there is a proportionate increase in the frequency of the action potential because the strength of a nerve signal ( stimulus strength ) is directly proportional to the frequency of the action potential.

Hence we can conclude that To increase the strength of a nerve signal neurons will  : ( A ) Increase the frequency of the action potential.

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Answer:

Yes.

Explanation:

The nucleus is present in both animal and plant cells.

Answer:

Meiosis

Explanation:

Pls mark brainliest

Answer:

Meisos is your answer.

Explanation:

Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life. During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells

Answer: Fossil fuels

Explanation:

Answer:

fossil fuels

Explanation:

The anti-Mycobacterium tuberculosis compounds isolated from sea sponges by the research team in this case are made by microbes living in the sponges. False

The compounds isolated from sea sponges and found to have anti-Mycobacterium tuberculosis activity are likely produced by the sponges themselves as a defense mechanism against pathogens. While some marine organisms have been found to harbor microorganisms that produce bioactive compounds, there is no indication in this case that the compounds were made by microbes living within the sponges.

The research team likely isolated and identified the compounds from the sponges through a process of extraction, purification, and chemical analysis, rather than through analysis of microbial populations within the sponges.

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The target BCS (Body Condition Score) at the end of the peak lactation or end of the NEB (Negative Energy Balance) period may vary depending on specific management goals and individual animal requirements. As for the duration of colostrum feeding for immunoglobulin absorption, the recommended timeframe is within the first 24 hours after birth.

Feeding colostrum to newborn animals is crucial for their passive transfer of immunity. Colostrum contains high concentrations of immunoglobulins, which are essential for providing temporary protection against diseases until the newborn's own immune system develops. It is generally recommended to feed colostrum within the first 6 to 12 hours after birth to ensure optimal absorption of immunoglobulins. However, absorption can still occur to some extent within the first 24 hours. After this period, the intestinal absorption of immunoglobulins diminishes significantly, reducing the effectiveness of colostrum as a source of passive immunity. Therefore, it is important to provide colostrum to newborn animals as early as possible to maximize immunoglobulin absorption and improve their overall health and disease resistance.

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The main factors in ecosystem diversity include the physical characteristics of the environment and the diversity of species present.

This involves the environment containing different types of species and is affected by certain factors.

The factors which affect ecosystem diversity include physical characteristics of the environment and the diversity of species present.

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Answer:

The central nervous system (defined as the brain and spinal cord) is usually considered to have seven basic parts: the spinal cord, the medulla, the pons, the cerebellum, the midbrain, the diencephalon, and the cerebral hemispheres.

Explanation:

Hope this helps!

The input and output nerves make up the peripheral nervous system.

The peripheral nervous system (PNS) consists of the nerves and ganglia located outside the brain and spinal cord. It serves as a communication network between the central nervous system (CNS) and the rest of the body. The PNS can be further divided into the sensory division (input nerves) and the motor division (output nerves). The sensory division carries information from sensory receptors to the CNS, allowing us to perceive and sense the environment. The motor division transmits signals from the CNS to the muscles and glands, enabling voluntary and involuntary movements. Therefore, the input and output nerves are peripheral nervous system components.

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Hom ozygous

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(and yes this is biology!)

The arteries highlighted are the common iliac arteries arteries are highlighted arteries that arise from the aortic

The aortic bifurcation is the point where the abdominal aorta splits into the left and right common iliac arteries. These arteries are the first branches of the abdominal aorta and they supply blood to the pelvis, the lower limbs, and the abdominal wall.

The external iliac artery is a branch of the common iliac artery and it supplies blood to the lower limbs. The gonadal arteries are branches of the abdominal aorta that supply blood to the reproductive organs, and they do not arise from the aortic bifurcation. The internal iliac arteries are also branches of the common iliac arteries, but they supply blood to the pelvic organs and the gluteal region.

Therefore, in the given options, only the common iliac artery arises from the aortic bifurcation, so that is the correct answer.

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Answer:

If you're asking if the virus has reached Louisiana, the scientists that say this are not correct.

Explanation:

See, COVID-19 has spread all over the world - from the largest city in the world to the smallest village in the remotest parts. In some places, the government enforces more strict laws, so the death rates and case rates are lower. However, there is no way to avoid catching COVID-19 completely, no matter where you go.

Answer:

the brain stem

Explanation:

the structures of our brain stem, in conjunction with our spinal cord (not a part of our brain) is responsible for involuntary action. Not sure if it generate signals, but hey it's better than no answer.

Answer:

The brain stem is the part of the brain that generates signals for involuntary action.

Answer:

shorter and higher

Explanation:

UV  is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.

Erythropoiesis is the process of producing new erythrocytes, which takes roughly seven days. In a healthy adult, erythrocytes are continuously produced at a rate of around 2 million cells per second in the red bone marrow of big bones.

Erythropoiesis is the process through which red blood cells (erythrocytes) evolve from erythropoietic stem cells to mature red blood cells.

It is triggered by low O2 levels in the blood, which are sensed by the kidneys, which subsequently generate the hormone erythropoietin.

This hormone promotes the proliferation and differentiation of red cell precursors, resulting in enhanced erythropoiesis in hemopoietic tissues and the production of red blood cells (erythrocytes).

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If we are studying a histone complex that contains an unusually high level of modification with acetyl groups, then we can conclude about the nucleosomes containing this histone complex contain actively transcribed genes, i.e., they are subject to epigenetic regulation (Option E).

Epigenetic regulation is the control of gene expression due to chemical modifications in the DNA  and associated histones (methylation in the case of DNA, while histone modifications are diverse and they also include histone acetylation).

Therefore, with this data, we can see that epigenetic regulation also involves histone acetylation which is able to increase the transcription of genes by opening the chromatin structure in the heavily acetylated chromosome regions.

Complete question:

You are studying a histone complex that contains an unusually high level of modification with acetyl groups. What can you conclude about the nucleosomes containing this histone complex?

A. DNA is tightly bound to these histones.

B. Histone acetylation leads to degradation of histone tails and alteration of nucleosome structure.

C. They are part of heterochromatin.

D. They are most likely derived from a condensed Barr body.

E. They contain actively transcribed genes.

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