Answer:
1). The oleander, also known as laurel of flower or trinitaria, is a shrub plant (of Mediterranean origin and therefore, resistant to droughts) with intensely green leaves and whose leaves, flowers, stems, branches and seeds are all highly poisonous, hence it is also known as "the most poisonous plant in the world".
2). The Dendrocnide Moroides is known as "the world's most dangerous plant," with even morphine rendered ineffective against its venom, Nature reports. The shrub has numerous names including the Gympie Gympie, Stinging Bush, Queensland Stinger and the Giant Australian Stinging Tree.
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The most dangerous plant known by man kind is The Dendrocnide Moroides.
what is the function of allolactose in regulation of the lac operon?
Answer:
Inducer
Explanation:
Allolactose binds to the lac repressor and makes it change shape so it can no longer bind DNA. Allolactose is an example of an inducer, a small molecule that triggers expression of a gene or operon.
Answer:
Allolactose binds to the lac repressor and makes it change shape so it can no longer bind DNA. Allolactose is an example of an inducer, a small molecule that triggers expression of a gene or operon.
Guys please help me this is my second post lol- help asappp pls
How are coastal ecosystems a major source of oxygen for the rest of Earths waters?
Answer:
The ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it.
Explanation:
which statement concerning ATP and activity within the cell is correct?
Describe how photosynthesis transforms energy from sunlight to chemical energy?
Answer:
Most life on Earth depends on photosynthesis.The process is carried out by plants, algae, and some types of bacteria, which capture energy from sunlight to produce oxygen (O2) and chemical energy stored in glucose (a sugar). Herbivores then obtain this energy by eating plants, and carnivores obtain it by eating herbivores.
Explanation:
the ans consists of how many neurons in a pathway?
Answer:
The efferent pathways of the ANS consist of 2 neurons that transmit impulses from the CNS to the effector tissue. The preganglionic neuron originates in the CNS with its cell body in the lateral horn of the gray matter of the spinal cord or in the brainstem.
Explanation:
add me as brain
Which organelle is labeled i?
animal cell
Answer:
I believe the line is pointing to the nucleus, which is the green ball in the center of the cell
Explanation:
Changes in a population over time is due to what
Answer:
Due to different circumstances.
like marriage which creates increase in population
What do the arrows mean on a food web or food chain
Answer: It represents the flow of energy in an ecosystem. It indicates which direction the energy and nutrients will flow. It shows the relationship between organisms.
how is the information contained in a signaling molecule received by a cell?
Answer: Depending on the nature of the signaling molecule, it may either bind to and activate a receptor protein embedded in the plasma membrane, or it may move across the plasma membrane and bind to a receptor protein in the cytoplasm.
Explanation: I found this answer on quizlet
Answer:
How is the information contained in a signaling molecule received by a cell? Depending on the nature of the signaling molecule, it may either bind to and activate a receptor protein embedded in the plasma membrane, or it may move across the plasma membrane and bind to a receptor protein in the cytoplasm
Explanation:
insects
APPLY Identify the biotic and abiotic components of the taiga ecosystem shown here. Can
you list a few more biotic and abiotic components that might be a part of this ecosystem?
plants
sunlight
elk
air
snow
abiotic
biotic
ha
Answer:
Is there more to this question I actually might be able to help
Explanation:
Why is knowledge and skills important in animal care and breeding? Explain in 3 to 5 sentences.
Answer:
to be thorough and pay attention to detail.
the ability to use your initiative.
to be flexible and open to change.
patience and the ability to remain calm in stressful situations.
the ability to work well with others.
the ability to accept criticism and work well under pressure.
To be successful as an animal breeder, you should have knowledge of the animal breeding process
a passion for animal breeding,
and knowledge of the potential risks of animal breeding.
Ultimately, a top-notch animal breeder should be an effective communicator, have good organizational skills, and be physically fit.
This question is about the nervous system.
Describe the function of receptors in the skin.
Answer:
The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences (light vs. deep). Other qualities of the external world assessed by skin sensory receptors includes temperature, pain, and itch.
Explanation:
Answer:
What is the function of the receptors in the skin?
The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences (light vs. deep). Other qualities of the external world assessed by skin sensory receptors includes temperature, pain, and itch.
hope this helped
Explanation:
Which of the following objects will float in water based on there density?
Hint: density of water is 1 g/cm3
Lithium 0.534 g/cm3
Coal 1.1 g/cm3
Magnesium 1.7 g/cm3
Uranium 18.7 g/cm3
Answer:lithium
Explanation:
The density of lithium is smaller than that of water.
Where does cellular respiration occur? (1 point)
O chlorophyll
O mitochondria
O bacteria
O lungs
Answer:
Mitochondria
Explanation:
Plants.
Answer:
b.mitochanrida
Explanation:
how many copies of each chromosome are contained in each of the daughter cells resulting from meiosis?
Answer:
Each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes. Each chromosome consists of 2 sister chromatids. The daughter cells now move in to the third and final phase of meiosis: meiosis II. At the end of meiosis I there are two haploid cells.
Explanation:
Hope this helps.
Each daughter cell has 23 of the 46 chromosomes. Sister chromatids make up each chromosome. Daughter cells enter meiosis II, the final step. Two haploid cells result from meiosis I.
What is meiosis?Meiosis is a specialized kind of cell division that occurs in the germ cells of animals that reproduce sexually. This form of cell division is responsible for the production of gametes, such as sperm and egg cells. This process requires two rounds of cell division, and at the end of it, there are four cells that each have a single copy of each chromosome.
There are 46 chromosomes total, and each daughter cell has 23 of them. Each chromosome is composed of two sister chromatids. In the second and last stage of meiosis, daughter cells participate. Meiosis I always results in the formation of two haploid cells.
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PLEASE HELP, WILL GIVE BRAINLIEST
QUESTION: List three ways that scientists’ understanding of cells has improved our lives.
ANSWER:
Answer:
By understanding how cells function in healthy and diseased states, cell biologists from the medical, animal and plant sciences will be able to develop new vaccines, medicines and more effective plants with improved properties and, through increased knowledge, a better understanding of the way of life of all living things.
Explanation:
responsible for the fact that organic molecules no longer spontaneously form on Earth?
Answer:
the experiment with meat sealed in a jar and maggots did not spawn out of thin air
Explanation:
Which sport, which spread to the region from Europe, is the most popular in North Africa?
A football (soccer)
В. baseball
С. cricket
D basketball
Answer:
A.Football
Explanation:
Correct me if im wrong.
Answer:
cricket
Explanation:
cricket is the answer
what cells release histamine during allergic responses
Answer:
Histamine is a substance that is released by the body during an allergic reaction. Mast cells, which are a type of white blood cell, release the histamine, and this triggers a process which is most commonly referred to as the “inflammatory immune reaction”.
Explanation:
Antihistamine solutions can reduce allergies. I am allergic to mosquito bites.
The cells release histamine during allergic responses are the mast cells.
What types of cells are involved in allergy?Eosinophils, mast cells, and basophils all have been first diagnosed and defined with the aid of using Paul Ehrlich withinside the past due nineteenth century. Since then, it has end up clean that those 3 cells kinds have an awful lot extra in not unusualplace than their popularity with the aid of using the equal scientist.
Mast cells are multifunctional bone marrow-derived tissue-residing cells which might be the principal manufacturer of histamine withinside the frame. H1R are expressed in lots of cells, along with mast cells, and are concerned in Type 1 hypersensitive reaction reactions.
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Briefly explain the evolution of oxygen on earth.
Answer:
The answer is tiny organisms known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, yes, oxygen. ... "What it looks like is that oxygen was first produced somewhere around 2.7 billion to 2.8 billon years ago.
Explanation:
If an experiment was being conducted using an enzyme that was very sensitive to changes in pH (which could result in denaturation), what should be added to the experiment to prevent the enzyme from denaturing?
A. a buffering solution
B. extra substrate
C. an acid
D. a base
Answer:
maybe the answer is C..sorry if i wrong
If an experiment was being conducted using an enzyme that was very sensitive to changes in pH, a buffering solution must be added in order to prevent the enzyme from denaturing. Thus, the correct option for this question is A.
What is the denaturation of an enzyme?The denaturation of an enzyme may be defined as a process through which a molecular structure of an enzyme gets deviate from its original state due to exposure to high temperature, pH sensitivity, etc.
The function of a buffering solution is to stabilize the pH of the given solution. It helps the other component of the solution to resist in response to pH change. A Buffer solution is capable to neutralize the effect of the small amount of acid or base.
Therefore, a buffering solution must be added in order to prevent the enzyme from denaturation. Thus, the correct option for this question is A.
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Which organisms are heterotrophs?
photosynthesizers
producers
consumers
plants
Answer:
consumers
Explanation:
Heterotrophs don't make their food.
Answer:
it's C
Explanation:
got 100 on edge
Which of the following is the product of (3x2 − 1)(x2 − 4)?
a typical eukaryotic cell has enough available atp to meet its needs for about 30 seconds. what is likely to happen to an individual when they exhaust their atp supply?
Eukaryotic cells rely on the molecular energy of ATP to sustain all of the reactions necessary to maintain life, in the absence of ATP, these reactions would come to a halt, and the cell would inevitably die.
ATP is a molecular compound that provides the energy needed by most cells to survive. ATP represents Adenosine triphosphate, which is an organic compound that provides energy to drive the essential metabolic reactions of living cells, such as:
Muscle contractionsNerve impulsesChemical synthesisNutrient absorbtionIn the situation in which a cell was to run out of ATP, these reactions would stop, given that they require ATP to function. This means that the cell would not be able to send or receive nerve signals, absorb the nutrients it needs, or even create necessary compounds such as proteins. The stoppage of these functions would lead to the death of the cell.
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(I need help) The pedigree chart below shows the individuals in a family who exhibit a certain trait. Based on the information in the chart, what are the chances that a second child born to couple 4–5 in the third generation will show the trait?
Key:
Circle—Female
Square—Male
Green—Exhibits trait"
A. 25 percent
B. 50 percent
C. 100 percent
D. 0 percent
Answer:
50% chance
Explanation:
I took the test you can trust me
The chances that a second child born will be 50%.
What is a pedigree chart?Pedigrees charts are used to examine the pattern of inheritance of a particular trait in a family. It shows relationships between family members and individuals which have certain genetic pathogenic variants, traits, and diseases within a family.Therefore 50% chances are there for the second child (option b).
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Describe how bacteria are used to produce enzymes for washing powders.
Answer:
By using genetic engineering to insert the gene for the desired enzyme into the bacterial chromosome, then growing large amounts of the modified bacteria in fermenters.
Explanation:
Answer:
Bacteria such as fungi or algae are inserted in fermenter and feedstock such as glucose, amino acid, sucrose are inserted to be a source of food for them.
Then they are left for a time for the bacteria to reproduce more and to produce more enzymes in their cells, Then if the enzymes are extracellular they are extracted directly from the filtrate, if they are intercellular they are separated from the feedstock and crushed to be separated with any solvent such as water.
By using genetic engineering to insert the gene for the desired enzyme into the bacterial chromosome, then growing large amounts of the modified bacteria in fermenters.
Explanation:
Some metamorphic rocks experience extreme pressure and form layered bands or are said to be _______________________, while others without bands are said to be ____________________
Answer:
Some metamorphic rocks experience extreme pressure and form layered bands or are said to be gneissic foliation, while others without bands are said to be non-layered
From the types of light that reach Earth's surface, which do you think could be causing skin cancer?
Explain your reasoning.
The type of light that could cause skin cancer is the ultraviolet (UV) light rays. The following reasons are further explained why they harm the skin.
What is ultraviolet (UV) light?The ultraviolet light is a type of electromagnetic radiation that possess a shorter wavelength than the visible light.
The solar radiation from the sun that reaches the earth planet is made up of the following:
visible light,Infrared rays andultraviolet light rays.The ultraviolet light is harmful to the skin when exposed to it for a long time. This can damage the DNA of the skin cells which can lead to abnormal proliferation or uncontrolled growing of the cells which eventually causes cancer.
Therefore, the type of light that could cause skin cancer is the ultraviolet (UV) light rays.
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the microorgansims which contains chlorophyll