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

The Establishment of biological research institutes is so important in Ethiopia because realizing its immense potential to exploit biotechnology and the life sciences requires the opening of many new R&D parks.

The establishment of numerous additional R&D parks is necessary in order for biotechnology and the life sciences to reach their full potential. Only by establishing several more R&D institutions can Ethiopia utilize its potential biological and genetic diversity as well as local knowledge of biological diversity.

Ethiopia is hampered in its efforts to establish biotechnology as a tool for the development of the country's economy since it has just five research centers, despite the capacity of the universities and colleges.

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The letters from the image that contain genetic information include C, D, and E.

Genetic information are information present in the cells of organisms that dictate the physical traits of organisms. In other words, genetic information are information present in the cells of living organisms that dictate what the organisms will look like.

The genetic information of living cells are usually stored in the DNA os organisms. These DNAs are made of sequences of nucleotides, with a particular nucleotide sequence representing a gene.

The DNA are packaged and arranged as chromosomes in living cells.

Now, looking at the image, C indicates the genetic materials of the cell where the genetic information are stored. A closer look at C shows that it is made of chromosomes. Each chromosome consists of double helix DNA (D) that is made up of complementary nucleotide bases (E).

In other words, C, D, and E contain the genetic information of the cell.

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Answer:

The cell could not replicate its DNA prior to meiosis.

Answer:

an association of different organisms forming a closely integrated community.

Explanation:

A biocenosis thus refers to a group of interdependent organisms living and interacting with each other in the same habitat. It may also pertain to a group of fossil species that are typically found together in the same habitat or site.

Biocenosis, is a community of Biotic beings, with life, of an ecosystem, where the different individuals are organized in populations through trophic relationships and also interact with their environment.

Answer: D

Explanation:

Using inspiration from nature to develop a winged suit

Answer:

plants use glucose through leaves

The way dirt sticks to surfaces in our daily lives, such as clothing and walls, is a result of electrostatic forces on fine particle adhesion.

Generally, when particle material is electrically insulating, so the electric charge may be kept, electrostatic forces become significant.

Two charges interact with one another to produce electrical forces. The electric force exerted on a single charge in scenarios involving three or more charges is simply the sum of the interactions between that charge and all other charges.

Therefore, Electric force strength is influenced by the electric charge on the particles, as well as their separation from one another.

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The environment least likely to rapidly grow bacteria is a classroom desktop, option 3 because it is dry and mostly clean and not as conducive a place for bacteria which thrive in warm, moist, protein-rich environments.

Bacteria live in both hot and cold temperate environments than humans but they thrive more in warm, moist, protein-rich environments with an acidic pH. They can survive and adapt to extreme temperature regions too.

Bacteria can be found in water, swamps, soil, plants, animal, waste and so on. They strive in stratospheres of 6 and 30 miles into the atmosphere and ocean depths.

This is the full question:

What environment would be least likely to grow bacteria and why? Here are your choices:

1. The armpit of a human

2. A warm freshwater mud puddle

3. A classroom desktop

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If tryptophan cannot cross into the cell, there will be a build-up of tryptophan levels in the blood (option B).

Tryptophan is an essential amino acid having an indole side chain. It is present in many foods, especially chocolate, oats, bananas and milk.

Tryptophan is essential for normal growth and development and is the precursor of serotonin and niacin. This amino acid is carried by the blood and is absorbed by living cells for use.

However, in a case whereby tryptophan cannot cross into the cells, it becomes built-up in the blood and increase in concentration.

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During photosynthesis, H₂O combines with carbon dioxide to make sugar and .oxygen

The correct option is A.

The mechanism by which plant convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.

The primary function of photosynthetic is to transform chemical energy into solar energy, that is then stored for later use. This mechanism primarily provides energy to the planet's life systems.

The process through which light energy is transformed into energy in the form of sugars is known as photosynthesis. Using energy from the sun, glucose (or other sugars) are created from carbon dioxide and water, with oxygen being released as a consequence.

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Answer:

A)

Explanation:

neurotransmitters have excitatory effects on the neuron. This means they increase the possibility of producing an action potential in the receiving neuron

When excitatory neurotransmitters stimulate a single neuron, the neuron more likely to produce an action potential. Thus option A is correct.

Neurotransmitters are nothing but the endogenous chemicals  released by axon terminals of neurons into the synaptic junctions and its main role is to control the function of the nerve cell.

Some Imbalance of neurotransmitters such as serotonin, norepinephrine and dopamine mainly result in depression.When the level of glutamate neurotransmitter leads to changes in the level of Dopamine cause transition into psychosis.

Different neuro transmitters like enkephalin and serotonin are involved in analgesia system like pain suppression,  When Serotonin are released  causes local cord neurons and both presynaptic and postsynaptic inhibition of pain fibres.

neurotransmitters have excitatory and inhibitory effects on the neuron which means they increase or decrease the possibility of producing an action potential in the receiving neuron

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Answer:

yes

Explanation:

it is need for both photosynthesis and cellular respiration

Galactic cannibalism is referred when one galaxy collides with another.

what is galactic cannibalism?

Galactic cannibalism is the process by which a big galaxy combines with a companion through tidal gravitational interactions, creating a larger, frequently irregular galaxy.

In a new study, researchers channelled their inner Indiana Jones to demonstrate that the Milky Way, our home galaxy, once gobbled up five smaller galaxies.

That will help scientists comprehend how the Milky Way and Andromeda will engage with other, tiny, nearby galaxies and how, eventually, they will merge and join after billions of years in our portion of the cosmos.

Therefore, Option A is correct.

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Answer:

free to use

used for the betterment of human life

Explanation:

Explanation:

hubbles discovery in the 1920's of a relationship between galaxy's distance from Earth and its speed

&

the discovery in the 1960's of cosmic microwave background radiation

Answer:

Molecular clocks are used to determine how closely two species are related by calculating the number of differences between the species' DNA sequences or amino acid sequences. Molecular evidence for evolution includes that all living things share the same biochemical building blocks.

Explanation:

hope it helps : )

Answer:

Electricity is considered as our good friend because it is an essential part of modern . People use electricity for lighting, heating, cooling, and refrigeration and for operating appliances, computers, electronics, machinery, and public transportation systems.

The exchange of gases usually takes place through its moist skin and capillaries called as respiratory system of earthworm

The digestive system start at the head and goes all the way down to the end of the tail and the decaying food goes in the pharynx which help to suck soil in mouth and the earthworm has a closed circulatory system and earthworm circulates blood exclusively through vessels

The squids digestive system is in form that loops and food enter the mouth and where the black chitinous beaktear the prey into the pieces and the food is then moved through the esophagus and blood then flow to the systematic heart whereas it is pimped to the rest of the body

The crayfish circulatory system is open system where blood is contained in vessel for only part of the system and the gut of the crayfish is divided into five parts

The perch digestive system start at the mouth like human and earthworm

The rat digestive system consist of an alimentary canal and the digestive gland

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Answer:

It Mitosis, it’s a process that replace every cells in the human body every few years.

Answer: it is drought

Explanation:

Answer:light

Explanation:In some cases, poor environmental conditions (e.g., too little water) damage a plant directly. In other cases, environmental stress weakens a plant and makes it more susceptible to disease or insect attack. Environmental factors that affect plant growth include light, temperature, water, humidity and nutrition.

The water molecules will move from B to A in a media where the small blue spheres represent water molecules, sections A and B are divided by a membrane and section A contains fewer water molecules than section B (Option 3).

The movement of osmosis refers to the physical phenomena for which solvent molecules (in this case water molecules) move from a region of high concentration to a region of low concentration through a semi permeable membrane barrier. This transport (i.e., the movement of osmosis) is fundamental to allowing metabolic processes into a cell.

Therefore, with this data, we can see that the movement of osmosis is due to the movement of solvent water molecules from a region with a high concentration to a region with having lower concentration, which occurs to maintain the state of equilibrium or homeostasis of the system.

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The differentiating factor between water and land plants is that the land plants have larger root systems whereas several water plants lack a root system.

Plants that grow in dry areas have xeromorphic traits to reduce transpiration under drought stress.

Reduction in transpiration under drought stress conditions can also be attained through leaf shedding and decrease in leaf number, leaf size, and branching.

The shallow water, abundant light, and nutrient-rich sediment are the ideal conditions for the growth of plants. Aquatic plants then provide food and habitat for many animals such as fish, frogs, turtles, insects and snails.

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C. ''Photosynthesis uses light energy to convert carbon dioxide and water into glucose and oxygen which is needed for cellular respiration to occur.

Cellular respiration takes the glucose and oxygen and produces water and carbon dioxide that is needed for photosynthesis while also producing energy'' this is the correct answer.

Photosynthesis is a process that occurs in the body of plants in which carbon dioxide and water are converted into oxygen and glucose in the presence of light energy. In this process of photosynthesis, oxygen is released into the atmosphere whereas glucose is stored in different parts of the plant body.

Glucose is used as food by the plant generating energy in the form of ATP and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide with the release of energy. Water and carbon dioxide are the by-products of cellular respiration and ATP is energy that is transformed from the process of cellular respiration.

So we can conclude that option C is the correct answer.

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Plant A is present in an isotonic solution; plant B is present in a hypertonic solution; and plant C is present in a hypotonic solution. The most tense cell out of three is cell C, which is present in the hypotonic solution as water goes into the cell.

The cell present in a solution can either take or lose water, and that depends upon the outside solute concentration or water potential. The plant cell A is present in the solution at an equal concentration of solutes, which means that the water potential is the same at both ends, that is, outside and inside, preventing any flow of water.

In plant B, the outside solution has more solutes than the water, so it has less water than that of the cell, and in this case, water will flow from the cell to the outside, resulting in a decrease in cell size. In cell C, the solution has low solutes, which means high water, so in this case, the water will flow from the outside to the inside and make the cell swell and more pressure on the cell wall.

Hence, cell C has a more tense cell wall.

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Four cell organelles in living cells are: mitochondria, nucleus, ribosomes and endoplasmic reticulum.

The mitochondria refers to that organelle found in the cytoplasm which is regarded as the power house of cells.

That being said, a cell is defined as the structural, functional and basic unit of life.

So therefore, it can be deduced from the task above that ribosomes and mitochondria are some of the few organelles in the cells of living organisms.

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Answer:

Plants are amazing organisms! In a process called photosynthesis, they take sunlight energy from the sun,carbon dioxide gas from the air, and water from the ground and make glucose (food energy)! They also make oxygen during this process. Plants can either immediately use the glucose they make to power their cells or sto… use.

Explanation:

I couldn't read some of the text due to the picture, but this should be right. I hope this helps! :)

Within the various regions of the spine, the vertebrae vary in size and shape, but they all follow  similar structural patterns.

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Picture 1 is a part of cervical vertebrae and picture 2 is a part of thoracic vertebrae.

What is cervical and thoracic vertebrae?

Difference between size of the body, vertebral foramen and spinous processes:

Hence one is cervical vertebrae and the other is thoracic vertebrae.

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