The substance that serves best to keep our skin smooth and protected is
________ is the substance that makes the plasma membrane more rigid and less permeable to water and water-soluble molecules.
What are the five types of materials used to make welding rods?
Which condition is required for viruses to reproduce?
They must enter another virus structure.
They must enter the cell of another organism.
They must come in contact with water.
They must encounter a virus with genetic material different from their own.
Answer: They must enter the cell of another organism.
Explanation:
Viruses are intracellular parasitic organisms. It posses genetic material in the form of ribonucleic acid (RNA) which is enclosed inside a protein envelop. A virus being a parasite invade a host organism cell to produce it's own progeny viruses. A virus attach itself to the specific receptor site on the host cell membrane. The protein coat is left outside the cell and the viral genetic material is injected inside the host cell. Then replication of the viral genome takes place inside the host genome. The progeny viruses release from the host cell machinery by lysis of the host cell.
Menstrual cramps are experienced with the onset of the menses because of strong contractions of the ____ layer of the uterus.
Menstrual cramps are due to the contractions of the myometrium layer of the uterus, a thick layer of smooth muscle that also plays a critical role during labor.
Menstrual cramps are experienced with the onset of the menses because of strong contractions of the myometrium layer of the uterus. The myometrium is a thick layer of smooth muscle and is responsible for uterine contractions. This muscle layer has fibers that run horizontally, vertically, and diagonally, allowing the uterus to contract powerfully during labor and also to cause the less powerful contractions, or menstrual cramps, which help to expel menstrual blood. Additionally, the endometrium is the innermost layer and sheds during menstruation. The uterine contractions that occur near the time of ovulation facilitate the transport of sperm through the female reproductive tract.
which is the most likely response of a human to an increase in temperature?
A.increasing the amount of perspiration
B.increasing waste elimination from the bladder
C.a reduction of desire for liquids
D.a contraction in blood vessels in the skin
Answer:
Answer A
Explanation:
Brainiest answer pretty please!!
Cell Theory Quiz ↓↓↓
In your own words explain the following tenet of cell theory:
The cell is the most basic unit of life.
The cell is the most basic unit of life because it is the smallest structural and functional entity capable of independent existence. This tenet of cell theory acknowledges that all living organisms are composed of one or more cells, and it is at the cellular level that the fundamental processes of life occur. Cells are capable of performing all the necessary activities of life, such as metabolism, growth, reproduction, and response to the environment. While cells can form tissues, organs, and systems within multicellular organisms, each cell carries out its own life processes. Unicellular organisms, like bacteria, consist of a single cell that performs all the functions necessary for life. Thus, the cell is recognized as the fundamental unit of structure, function, and organization in living things.
To understand why the cell is considered the most basic unit of life, we need to delve into the characteristics and functions of cells:
1. Structural Composition: Cells are the building blocks of all living organisms. In multicellular organisms, cells differentiate and come together to form tissues, tissues form organs, and organs form organ systems. In unicellular organisms, a single cell performs all the functions required for life.
2. Independent Existence: Each cell is capable of carrying out the basic functions of life, such as nutrition (taking in and processing energy), excretion (removing waste), respiration (exchanging gases), growth, and reproduction. This independence is evident in single-celled organisms, which can survive and reproduce on their own.
3. Metabolism: Cells convert nutrients into energy through metabolic processes. These processes are essential for maintaining life and are carried out within the cell.
4. Growth and Reproduction: Cells grow and divide through processes like mitosis and meiosis. In multicellular organisms, growth occurs through cell division, and in unicellular organisms, reproduction occurs through cell division.
5. Response to Stimuli: Cells can respond to changes in their environment. This ability to sense and react to stimuli is a fundamental characteristic of life.
6. Genetic Information: Cells contain DNA, the genetic material that carries the instructions for all cellular activities and the hereditary information passed from one generation of cells to the next.
7. Specialized Functions: In multicellular organisms, cells can become specialized to perform specific functions, such as nerve cells conducting electrical impulses or muscle cells contracting.
In summary, the cell is the most basic unit of life because it embodies all the properties and functions that define living organisms. It is the smallest unit capable of sustaining life, and all life forms are built from cells. This fundamental principle of biology underpins our understanding of life's processes and the diversity of life on Earth."
What are the working conditions? inside/outside? office/plant/lab? forensic engineer?
Final answer:
Forensic engineers typically work inside secure labs, like the DNA extraction room at U.S. Army Criminal Investigation Laboratory, doing technical analysis. They must be comfortable with routine work and might work alone or collaborate with teams. The environment usually requires secure entry and specialized tools for detailed evidence analysis.
Explanation:
Working Conditions for a Forensic Engineer
Forensic engineers play a critical role in criminal investigations, especially when it comes to analyzing physical evidence. They often work inside secured laboratories, such as a DNA extraction room at the U.S. Army Criminal Investigation Laboratory. The work differs depending on the specialty, but many forensic engineers spend a significant portion of their day in a lab setting, performing technical analysis and conducting experiments.
The job entails a combination of technical skills and meticulous methods. Forensic engineers must be comfortable with routine work, as they may perform the same type of analysis multiple times to ensure accuracy. They usually work with various tools and equipment specific to their field of expertise.
Workplaces are often not open to the public due to the sensitive nature of criminal investigations and thus require secure entry. In terms of social interactions, while some engineers may work alone, others may be part of teams, collaborating with law enforcement and legal professionals. An assessment of one's preferences for social interaction, routine, and workspace environment is crucial before deciding to pursue a career in forensic engineering.
Which usually happens to the host's DNA during the lyric cycle?
It is destroyed.
It is integrated with the viral DNA.
It becomes a previous.
It is spliced with a viral DNA.
In mendel’s garden peas, each cell in a pea plant has a total count of:
What things in nature are similar to the egg drop experiment?
The egg drop experiment assists the students to discover the fundamental concepts like forces, gravity, and acceleration. In an egg drop experiment, the particular rules and illustrations may vary. The usual concept is to have students develop a container, which will permit an egg to safely fall from different heights without breaking.
Something identical to egg drop in nature would be birds. The birds fly and exhibit wings to slow down the drop at the time of their landing. The humans do skydiving, which is similar to the egg drop, that is, the parachute is obstructing the air, and it is thus slowing down the drop.
______ is a kind of mri adapted for better imaging of myelinated fibers, specifically for white matter.
Francesco Redi disproved the idea of spontaneous generation through an experiment involving _____.
mud and frogs
water and plants
meat and flies
How would an increase in carbon dioxide concentration in the atmosphere change the greenhouse effect?
The nurse is assessing a 6-month-old child. the mother asks when the soft area in her child’s head will go away. what is the best response by the nurse
A new mother of a newborn girl calls the clinic in a panic, concerned about the blood-tinged soiled diaper. what is the best response from the nurse?
Answer: The nurse should explain that the blood on the diaper for a female infant may due to the withdrawal of maternal hormones after delivery. This is not very uncommon, the mother shouldn't be too concerned. However, the nurse should still recommend the mother to take the infant to a doctor.
The _____ is the main link between the nervous system and the endocrine system.
You wake up and find yourself surrounded by ferns, trees, flying birds, and different types of dinosaurs. Which era did you wake up in? Proterozoic Paleozoic Mesozoic Cenozoic
When working with laboratory animals, when can painful stimuli be used?
This starfish had lost two of its arms. By what process could it regenerate them?
Answer:
mitosis
Explanation:
The first dude is wring got me wrong on my first take :p
An injury could stimulate _____, which are specialized sensory receptors for pain
An accident or injury, may and can stimulate the nociceptor/s, which is (a)/are specialized sensory receptors for pain. Nociceptors are a kind of receptor located on the tip of a sensory neuron's axon, which reacts to harmful or possible harmful stimuli by means of sending hazard indications to the spinal cord and to the brain.
20 POINTS!!!!!!!!! PLZ HELP ME!!!!! Sorry for yelling
Answer:
Plant C will grow the highest because it is located under the Red light, which "gives them the most energy to power photosynthesis".
Plant A should grow to 2nd place, because it is located under the Yellow light, in which Yellow light is more closely related to red then green
Last but not least, Plant B will grow to 3rd highest, because it is under a green light
Explanation:
why is photosynthesis important for ecosystems everywhere
Michael was born with cataracts in both eyes. what can you tell his parents about the possibility of recovery as it relates to sensitive periods in brain development? michael should not have corrective surgery until adulthood, as earlier surgery may permanently damage his eyes. corrective surgery should be postponed until early childhood so that michael can fully recover his visual skills. the longer cataract surgery is postponed beyond infancy, the less complete the recovery in visual skills. there is only a slight chance that corrective surgery can repair michael’s severe impairment.
Research has shown that delaying cataract surgery can lead to less complete recovery in visual skills. It is recommended to postpone corrective surgery until early childhood to allow for full recovery.
Explanation:Research has shown that there is a critical period of development for vision, where sensory input from the eyes is crucial for the development of neural connections. Delaying cataract surgery beyond infancy can lead to less complete recovery in visual skills. It is recommended to postpone corrective surgery until early childhood to allow Michael to fully recover his visual skills.
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Name five landforms from the Quaternary period.
The formation and release of hormones from a cell or structure is called what
The formation and release of a hormone from a cell or structure is called secretion.
What is treatment?Treatment is the term which is defined as the way or manner by which somebody perform or deal with something or someone and it is also refers to care which is related to medical provided to a patient when he is suffering from an injury or disease.
The main objective of treatment is to make patients healthy and happy as well as free from disease generally there are several types of treatments it is also refers to care which is related to medical provided to a patient when he is suffering from an injury or disease and these are chemotherapy which is used to given to the patient of the cancer, radiation therapy, hormonal therapy as well as biological therapy.
Therefore,The formation and release of a hormone from a cell or structure is called secretion.
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Why do most enzymes stop functioning after being soaked in a strong acid or base?
A) They have been diluted.
B) Their water content has been reduced.
C) They have been converted to tripeptides.
D) Their bonding structure has been changed.
Answer:
a
Explanation:
Biomolecues are essential to all living things. Which biomolecule is "A" from the above table? A) lipid B) protein C) carbohydrate D) nucleic acid
The biomolecule represented by CHO is a carbohydrate. (Option C)
What is Carbohydrates?
Carbohydrates are organic compounds made up of carbon (C), hydrogen (H), and oxygen (O) in a ratio of 1:2:1, which corresponds to the general formula (CH₂O)n.
where;
n is the number of carbon atoms.So, in this case, biomolecule A (CHO) fits the general formula of carbohydrates and corresponding to option is (C) carbohydrate.
Carbohydrates have been defined as polyhydroxy aldehydes or ketones. They are water-soluble and reducing compounds.
The correct order of the structures of the motor neuron is:
The correct order of the structures of a motor neuron is dendrites, cell body, axon, myelin sheath, neurilemma, and axon terminal.
Explanation:The correct order of the structures of a motor neuron is as follows:
Dendrites: Short, divided processes that enter the cell bodyCell body: Contains a central nucleus and Nissl bodies in the cytoplasmAxon: Long process that leaves the cell body and transmits impulses away from the cell bodyMyelin sheath: Whitish fatty layer surrounding the axon, interrupted at intervals by nodes of RanvierNeurilemma: Cellular layer outside the myelin sheathAxon terminal: End of the axon where it forms synapses with other neurons or musclesThe activity that puts the most continuous pressure on the lumbar region of your lower back is:
The highest pressure that can be felt on the lumbar region of the spine is when you are in a seated position.There is one more condition when maximum pressure can be felt and that is leaning in forward position with a heavy weight.To avoid this one should not hold weight in this position.In this case the weight should be hold closer to the body to reduce the pressure on the disc and spine.
A sitting posture is the activity that puts the most continuous pressure on the lumbar region of your lower back.
Generally, the highest pressure that can be felt on the lumbar region of the spine is when you are in a seated position.
However, not holding weight in the sitting position helps to prevent continuous pressure on the lumbar region of your lower back.
In conclusion, the sitting posture is the activity that puts the most continuous pressure on the lumbar region of your lower back.
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