Cells contain organelles such as mitochondria and chloroplasts that perform essential tasks, enabling the cell to live and function within an organism. The differences between prokaryotes, eukaryotes, nerve cells, and muscle cells all serve different functions within an organism.
Explanation:Cells, the fundamental units of life, contain small structures known as organelles that perform various tasks to help the cell live and perform its roles within an organism. These organelles include mitochondria that produce energy and in the case of green plants, chloroplasts that enable the conversion of sunlight into sugars through photosynthesis.
Prokaryotes and eukaryotes are classified as such based on whether or not their cells contain membrane-bound organelles and a nucleus. Prokaryotic organisms, like bacteria, are single-celled or colonize without these features, while cells in eukaryotic organisms, such as humans, possess membrane-bound organelles and a nucleus.
The structure of different organelles within a cell allows it to carry out different functions. For example, the structure of nerve cells, with their long projections, helps them transmit electrical signals and muscle cells are equipped with a high number of mitochondria to enable movement.
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The most accurate current temperature of an animal is its _______ temperature.
Driving without a seatbelt is an example of which of the six health risk behaviors?
The nurse is teaching the mother of a 5-month-old boy who is concerned about thumb sucking. what should be included in the teaching plan? select all that apply.
Two or more substances mixed together but not bonded create?
What is the biggest difference between plants and animals?
animals are eukaryotic
plants make their own food
animals are multicellular
Answer:
plants make their own food
Explanation:
When water moves into an animal cells placed in a hypotonic solution what happens?
How is a lake or river that freezes over helpful to the organisms in the water?
I believe the correct answer is preservation of heat.
Explanation:Ice forms at the temperature of 0°C and lakes and rivers can experience a temperature of up to -2°C. Most marine organisms can survive up to 5°C. The lake usually freezes due to losing heat to the environment to form solid maintains heat in water bodies.
Further Explanation:With the winter setting in, the water bodies will lose all the heat they have and when they lose heat until the absolute temperature of zero degrees Celsius, the water will undergo freezing forming a layer of solid ice on top of the lake. The lake only freezes in the upper layer due to it losing heat very slowly and in the end, the sheet of ice above the water will act as a wall that maintains the heat in the water below. This small amount of heat maintained is essential since it will enable the organisms to survive and live inside the lake in winter. Since ice is almost same to glass in transparency, it will allow the passing through of light that will further allow growth of marine plants and also marine animals such as fish. If the lake froze up to the bottom, the organisms would be trapped in a massive block of ice and with no movement and ability to move, most of them would die. This is the reason why you can see the Eskimos in the Northern Pole going ice fishing throughout the year with the cold temperatures and the fish are alive and well just as in other temperate conditions such as the Atlantic and Pacific coasts. The basic requirements for gemination of plants is light, water and nutrients all of which are supplied in the frozen lakes. The fish are also adapted to the cold conditions and some of them migrate to other regions or hibernate in their nests until the winter season is over.
Level: High School
Subject: Biology
Topic: Plants
In van helmont's experiment measuring a growing tree, which possible energy source for the tree's growth was he able to rule out?
Rebecca is now pregnant with her second child. with her first child, the baby was in a breech position, and the doctor delivered the baby via cesarean. rebecca's doctor has recommended a cesarean for the birth of this child as well because she is at an increased risk of
A 14-month-old child is admitted to the pediatric hospital with a fractured right femur. the child is placed in bryant traction. when the parents see the child for the first time in traction, they are surprised to see both legs in traction and ask why. what information should the nurse share about bryant traction?
Bryant's traction is the kind of orthopedic traction. It is primarily used in young children who exhibit fractures of the femur or congenital unusualities of the hip. Both the limbs of the patient are vertically suspended in the air at a right angle from the knees and hips slightly flexed.
This traction is primarily used to minimize the chances of congenital hip dislocation. When the child is positioning on his back, the traction holds the legs vertical and the weight on the traction mildly stretches the legs of the child. This relaxes the tendons, ligaments, and muscles around the hips of the child.
A desirable intake of dietary fiber for a woman under age 50 is ____ daily, according to the dri guidelines.
Base on studies and researches and the DRI guidelines in which had provided factual and evidence, the desirable intake of dietary fiber among women who is under at the age of fifty years old is that they should have twenty five grams of fiber daily.
Solid fats have a high proportion of _____. glycerol saturated fatty acids unsaturated fatty acids fish and vegetable oils
this answer is saturated fatty acids
What is the branch of the study of place names?
What is the line called that is used to distinguish between one ecosystem from another?
The importance of carbon which reason best explains why carbon is able to form macromolecules?
Which factor below would be least likely to cause a mutation in the cells of an organism.
Select one:
a. sound wave
b. radiation
c. smoking
d. chemical pollution
_______ completes the formation of two new daughter cells. Telophase Cytokinesis Interphase Mitosis
Answer:
-Cytokinesis.
Explanation:
Cell cycle can be defined as a series of cyclic events, which leads to formation of two daughter cells from a single parent cell. It is divided into two steps, interphase and M phase or mitotic phase.
During interphase, cell replicates its genetic material and prepares for cell division. Mitotic phase is divided into karyokinesis and cytokinesis.
During karyokinesis, division of nucleus takes place to form two daughter cells with same genetic composition. During cytokinesis, division of cytoplasm takes place that completes the cell division and forms two daughter cells.
Thus, the correct option to be filled in the blank is 'cytokinesis.
Why are you asked to gram stain a mixture of gram positive and gram negative bacteria on the same slide?
Gram staining is a technique used to differentiate and classify bacteria based on their cell wall structure. By gram staining a mixture of Gram-positive and Gram-negative bacteria on the same slide, you can compare and contrast their staining reactions and overall characteristics.
Explanation:Gram staining is a technique used to differentiate and classify bacteria based on their cell wall structure. Gram-positive bacteria have a thicker peptidoglycan layer in their cell wall, while Gram-negative bacteria have a thinner peptidoglycan layer. The differences in cell wall composition allow for differential staining during the Gram staining process. Gram-positive bacteria retain the purple crystal-violet stain, appearing purple, while Gram-negative bacteria lose the crystal-violet stain and instead take up the red safranin counterstain, appearing pink.
In the case of a mixture of Gram-positive and Gram-negative bacteria, gram staining on the same slide can help determine the Gram stain reaction, as well as the cellular morphology and arrangement of both types of bacteria. By observing both types of bacteria in a mixed smear, it becomes easier to compare and contrast their staining reactions and overall characteristics.
Why is it important to center a speciment on low power before attempting to focus on it at high power?
_______ is an energy carrier molecule that shuttles some of the energy from glycolysis.
the distance north or south from the equator
A - Prime Meridian
B - True North
C - Latitude
D - Longitude
E - Map
F - Reference Point
E - Cardinal Directions
Answer:
The correct answer is C. The distance north or south from the Equator is latitude.
Explanation:
Latitude is a geographic coordinate represented by an angular value, the expression of the position of a point on Earth (or on another planet), north or south of the equator, which is the reference plane. When they are connected to each other, all the places of the Earth with the same latitude form a circle whose plane is parallel to that of the equator, hence the term "parallel" to name a latitude.
Aaron is 5 years old. what does the u.s. department of health and human services consider to be the most hazardous to his health?
Final answer:
Lead exposure is a significant health risk to children under six, with no safe blood level of lead in children. It can come from various sources like deteriorating lead-based paint and lead pipes, and children are particularly at risk due to their tendency to put objects in their mouths. Prevention and regular blood screenings are crucial.
Explanation:
The U.S. Department of Health and Human Services, along with other agencies such as the Environmental Protection Agency (EPA) and Centers for Disease Control (CDC), considers lead exposure as one of the most hazardous environmental health risks to children, especially those under six years of age. Lead is toxic and can be found in various sources around the home, including deteriorating lead-based paint, dust, water from lead pipes, and even toys or jewelry. Young children like Aaron, who is 5 years old, are particularly vulnerable because they often put objects in their mouths, which can lead to the ingestion of lead particles or dust.
Parents are advised to be vigilant in preventing lead exposure by ensuring their homes are free from peeling or chipping paint, replacing lead pipes if present, and checking that toys and jewelry are lead-free. Regular screenings for lead levels in blood are recommended for children between the ages of one and two because there is no known safe blood level of lead in children. If elevated lead levels are detected, immediate steps should be taken to reduce further exposure and prevent the harmful effects that can develop later in life.
What allowed the sumerians to pursue activities other than finding food?
During which phase of the sexual response cycle does the refractory period begin? resolution orgasm plateau excitement
Which types of cells do not reproduce, and if damaged by injury or disease, are lost forever?
a. brain cells
b. liver cells
c. muscle cells
d. red blood cells
e. skin cells?
Tropical dry climates support more plants and animals than do tropical wet climates.
A surgeon opens her patient by cutting the integument parallel to the cleavage lines of the dermis (tension lines). this will result in ________.
Cutting the integument parallel to the cleavage lines of the dermis results in less scarring and improved wound healing.
Explanation:When a surgeon cuts the integument parallel to the cleavage lines of the dermis (tension lines), it results in less scarring and improved wound healing for the patient.
The cleavage lines of the dermis, also known as Langer's lines, represent the natural alignment of collagen fibers in the skin. Cutting along these lines reduces tension on the wound edges, which promotes better healing and minimizes scar formation.
This surgical technique is commonly used by surgeons to achieve better cosmetic outcomes and faster recovery for patients.
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Which model calls the consumer a “patient” and the therapist an “interpreter”?
Of the penile parts listed below, which part is very sensitive to sexual stimulation for the majority of men?
During inflammation, __________ may be released and act as a vasodilator.