Acute unilateral cervical lymphadenitis in the new born more often is caused by:
A. s. aureus.
B. group b streptococcus.
C. anaerobic bacteria.
D. ebv, cmv.
E. bartonella henselae.

Answer:

Prokaryotic cells are simple cells that lack membrane-bound nuclei and complex organelles. Endoplasmic reticulum, microtubules, and the Golgi apparatus are unique to eukaryotic cells, and will not be found in prokaryotes.

Explanation:

Prokaryotes belonging to the domains Archae and Bacteria lacks membrane-bound organelle and nucleus.

Hence, the cell structures not present in prokaryotic cells include nucleus and membrane-bound organelles.

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Answer:

agrochemicals in crops in a farma no.

Answer:

They are all formed by erosion. Erosion can move sediment through water, ice, or wind. They are all eroded away. A.) Erosion

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Answer:

symbiosis.

Explanation:

The term that you are referring to is symbiosis. (a symbiotic relationship)

Symbiosis is a proximate and often long-term interaction between two or more different biological species.

Answer:

Here are some uses of biotechnology in the production of washing powders:

Enzymes: Enzymes are commonly used in washing powders to enhance the cleaning efficiency and remove various types of stains.  Proteases, amylases, lipases, and cellulases are examples of enzymes used in washing powders. These enzymes break down protein-based, starch-based, lipid-based, and cellulose-based stains, respectively, into smaller fragments, making them easier to remove during the washing process.

Bio-surfactants: Surfactants are essential components of washing powders as they help to remove dirt and oil from fabrics. Biotechnology allows for the development of bio-surfactants, which are surfactants derived from biological sources, such as bacteria or yeast. These bio-surfactants are more environmentally friendly than traditional surfactants as they are biodegradable and have lower ecological impact.

Microbial Strains: Biotechnology can be used to isolate, characterize, and optimize microbial strains that produce enzymes or bio-surfactants. Microorganisms, such as bacteria and fungi, can be engineered or selected for their ability to produce specific compounds that enhance the cleaning performance of washing powders.

Genetic Modification: Genetic modification techniques can be employed to enhance the properties of microorganisms used in the production of enzymes or bio-surfactants. This allows for the creation of microorganisms with improved characteristics, such as increased enzyme activity or enhanced stability under varying conditions.

Fermentation Processes: Biotechnology facilitates the use of fermentation processes to produce enzymes and bio-surfactants at a large scale. Fermentation involves the controlled growth of microorganisms in bioreactors, where they produce enzymes or bio-surfactants through metabolic processes. This enables the efficient and cost-effective production of these ingredients for use in washing powders.

Explanation:

It is believed that hyper sanitation may lead to allergy epidemic : True.

There is a hypothesis known as the hygiene hypothesis, which suggests that increased cleanliness and reduced exposure to certain microbes and parasites in childhood can cause overactive immune system and increased risk of developing allergies and autoimmune diseases later in life.

While the exact mechanisms are still being studied, some researchers believe that excessive use of antibiotics and disinfectants and lack of exposure to microbes and parasites, may be contributing factors to the rise in allergies and autoimmune diseases in the recent decades. It is important to note that this is still a developing area of research and more studies are needed to fully understand relationship between hygiene and allergies.

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Answer:

crust

Explanation:

The reflecting telescope gathers more radiation than the refracting telescope. Therefore, option (D) is correct.

Reflecting telescopes use mirrors to gather and focus light, allowing for larger apertures and higher light-gathering capabilities compared to refracting telescopes, which use lenses. This design difference typically gives reflecting telescopes an advantage in terms of gathering more radiation from distant objects in space.

However, without specific information about the sizes or specifications of the telescopes in the pictures, this inference is based on the general characteristics of reflecting and refracting telescopes.

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Answer:

AIR

SEA

ANIMAL

PLANT

MONTH

Explanation:

These are the least I could get

The image displays a food web consisting of various living organisms and is shown below:

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In a neuron, the (1) nucleus is found inside the (2) cell body.

The cell body of a neuron, also known as the soma, contains the nucleus. It is the main part of the neuron where essential cellular functions occur, including protein synthesis and energy production.

The nucleus, which is enclosed by a membrane called the nuclear envelope, contains the genetic material of the neuron in the form of DNA. It plays a vital role in regulating the activities of the neuron and controlling the synthesis of proteins needed for various cellular processes.

The cell body serves as the control center of the neuron, integrating incoming signals from dendrites and initiating the transmission of signals along the axon.

It contains various organelles, such as mitochondria for energy production, ribosomes for protein synthesis, and the endoplasmic reticulum for the synthesis and transport of proteins.

The nucleus, as the site of DNA storage and transcription, is crucial for maintaining the genetic information necessary for the neuron's structure and function. Overall, the nucleus within the cell body plays a critical role in coordinating the activities of the neuron and supporting its overall functioning within the nervous system.

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Question

Neurons are the building blocks of the nervous system. They process and transmit signals. In a neuron, the (1)____ is found inside the (2)_____.

1. Cell membrane

Myelin Sheath

Nucleus

2. Axon

Cell Body

Dendrite

Answer: Neurotransmitters

Explanation: Neurotransmitters carry their information from the pre-synaptic neuron to the post-synaptic receiving cell.

Answer:

The diameter of the field of view for the high power objective lens (50X) can be calculated using the following formula:

Field of view (mm) = Ruler size (mm) / Magnification

Plugging in the values given in the question, we get:

Field of view (mm) = 1.5 mm / 50X

This simplifies to:

Field of view (mm) = 0.03 mm

So the diameter of the field of view for the high power objective lens (50X) is 0.03 mm.

Explanation:

As you said, atherosclerosis is a pathology in which our capillary vessels are affected by different external factors that generate a constriction in many arteries so it's become difficult for our body to correctly drive blood along all our organs.

The constant exposure to toxic gases, like one's presents in the smoking process, (e.g. carbon monoxide (CO), and polycyclic hydrocarbons) causes an accumulation of material within the arteries, (that settles or sediment themselves on the inner walls of these capillary vessels) composed mainly of fats and cholesterol, which inhibiting a good blood flow.

Answer:

Monomer is a molecule that can be bonded to other identical molecules to form a polymer.

Polymer is a substance which has a molecular structure built up chiefly or completely from a large number of similar units bonded together

A monomer is a molecule that forms the basic unit for polymers, which are the building blocks of proteins

Polymer is a big molecule that forms from monomers, it consist of macromolecules (large molecules)

Different links show relationships between two species. In the scientific world, there are three types of links, including mutualism, parasitism, and commensalism.

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Answer:

1. C. Condenser

2. C. 100

3. d. concentrate light coming from the bulb

Explanation:

The Condenser is the part of a microscope that helps to condense the light rays thereby making the visuals clearer and more efficient. This is possible by the increase in concentration of the rays .

The total magnification of the cells when using the immersion objective of bright field microscope is 100x.

The role of the immersion oil is to concentrate light coming out from the bulb

option B nuclear energy

hope it helps..!!

I think is Chemical energy.

Answer:

Explanation:

Crude oil is a mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon), though it also contains some nitrogen, sulfur, and oxygen. Those elements form a large variety of complex molecular structures, some of which cannot be readily identified.

Physical and chemical properties of crude oil contribute to the function of synthetic products made of crude oil, such as its boiling point, viscosity, and chemical composition, which determine the types of synthetic products that can be made from it.

Crude oil is made up of hydrocarbons, which are an unrefined petroleum product that takes millions of years to form as it is a fossil fuel, which means it is formed from the remainings of ancient plants and animals and generally is present in the liquid form. By giving it different temperatures, different products are isolated from it, such as diesel, petrols, and other industrial products.

Hence, Physical and chemical properties of crude oil contribute to the function of synthetic products made of crude oil, such as its boiling point, viscosity, and chemical composition, which determine the types of synthetic products that can be made from it.

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Answer:

disadvantages of cloning the process is not entirely safe and accurate

Explanation:

it is not yet fully developed

clone is not same in behaviour attributes

clone also has genetic defects

Answer: One type of map uses the cytogenetic location to describe a gene’s position. The cytogenetic location is based on a distinctive pattern of bands created when chromosomes are stained with certain chemicals. Another type of map uses the molecular location, a precise description of a gene's position on a chromosome. The molecular location is based on the sequence of DNA building blocks (base pairs) that make up the chromosome. Buttt I don’t know if this is the answer your looking for. But I hope this helps in a way.

Explanation:

Answer:

you can suppose from that statement alone that the snail lived in. climate that was humid, wet and full of life in the past. you can also see the stratus of rock layers fo determine how long it could have been, and use carbon dating as a sure way to get the dating and time period correctly.

Answer: Gametes are an organism's reproductive cells, also referred to as sex cells.In species that produce two morphologically distinct types of gametes, and in which each individual produces only one type, a female is any individual that produces the larger type of gamete—called an ovum— and a male produces the smaller

Explanation:

The organelle known to sort and package items to be exported or used in a certain place of the cell is the Golgi apparatus.

Answer:

D. rhizoids

Explanation:

Answer:

Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes. M not sure

The three benefits of the atmosphere are: B. Regulates global temperature, C. Provides air to breathe and D. Protects us from all the rays of the sun.

It not only protects from harmful UV solar radiation but also gives us oxygen we require to survive. Our planet would not be able to sustain pressure needed for liquid water to exist on its surface without it. It also warms Earth and keeps its temperature within a range that makes it habitable.

The atmosphere not only holds the oxygen we breathe but also shields us from the Sun's damaging rays, keeps the planet's heat on the surface, and is crucial to the water cycle.

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