Eukaryotes are different from Prokaryotes because Eukaryotes?..
Why do cells have plasma membrane?
A. To separate the inside of cell from its environment
B. To separate proteins from the nucleus
C. To define the size of cell
D. To distinguish plants from animals
Describe the relationship between scientific research and the use of environmental resources
The nurse has just assisted a client back to bed after a fall. the nurse and health care provider have assessed the client and have determined that the client is not injured. after completing the incident report, the nurse should implement which action next?
The initiative to have infants sleep on their back, rather than their stomach, has been associated with:
It has been associated with later crawling but not with later walking. The reality is that any baby who is a healthy child should be put to sleep on his/her back rather than on their stomach or sides by their mothers or whosoever takes care of them. This practice is really useful to lessen the dangers of sudden infant death syndrome.
which of the following are factors that both unicellular and multicellular organisms actively balance to achieve homeostasis
Areas of study that try to mimic science for cultural and commercial gain are called.
______________ are found in all metabolically active cells and are involved primarily in transporting materials within, into, and out of cells
Predict which responses would occur in cells exposed to the a+b signaling molecules
How many chromatids does a chromosome have before dna replication?
Your small intestine can absorb ____ without any prior digestion into smaller molecules
What cellular process occurs on the infolded membranes shown at b?
How does water's specific heat relate to its usefulness for life give examples?
Water's high specific heat stabilizes temperature, vital for organisms' survival, regulates body temperature, and influences climate patterns.
Water's high specific heat, defined as the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius, is crucial for life on Earth. This property enables water to absorb and store large amounts of heat energy with minimal temperature change, thereby moderating temperature fluctuations in the environment and providing thermal stability.
In biological systems, this thermal stability is essential for maintaining relatively constant internal temperatures, which is vital for the proper functioning of organisms.
For example, in humans, water's high specific heat helps regulate body temperature, preventing rapid overheating or cooling. Additionally, aquatic ecosystems benefit from water's ability to absorb and retain heat, maintaining relatively stable temperatures in rivers, lakes, and oceans, which is crucial for the survival of aquatic organisms.
Moreover, water's high specific heat also plays a role in climate regulation on a global scale. The oceans act as heat reservoirs, absorbing excess heat from the atmosphere during the day and releasing it at night, thereby influencing weather patterns and climate conditions. Overall, water's high specific heat is a fundamental property that contributes to the suitability of Earth for life as we know it.
Some single-celled protists, such as paramecia, live in an extremely hypotonic environment and have contractile vacuoles that
The single celled protists which is one of the example of this is the paramecia survives and lives on extreme hypotonic environment. They have the ability of having to contract their vacuoles in which this contributes and help them to live and survive in a hypotonic environment.
The nurse is calculating the urinary output for the infant. the infant’s diaper weighed 40 grams prior to placing the diaper on the infant. after removal of the wet diaper, the diaper weighed 75 grams. how many milliliters of urine can the nurse document as urinary output? record your answer using a whole number.
Answer: 35 grams
Explanation:
Scientists once believed that Tyrannosaurus rex dragged its tail along the ground. Today, they know that T. rex did not drag its tail but held it aloft, above the ground. This change in scientific consensus happened because
Answer:
Because all the scientific discoveries must be supported by various studies in order to regarded as valid.
Explanation:
It is known that scientific discoveries are getting updated and renewed constantly, however, both of these have nothing to do with the believing in one's idea more than another. It is also witnessed that some of the scientists do support the notion that the T-rex dragged its tail. However, now it is known that T-rex did not drag its tail but held its aloft above the ground. This change in scientific consensus by various scientific discoveries, which would have been supported by numerous studies in order to be regarded as valid.
PLEASE HELP!
Some organisms that normally live in pond water contain water pumps. These pumps continually pump water out of the cell. Describe a scenario that might reverse the action of the pump.
In pond water organisms like Paramecium, water pumps expel excess water from the cell to maintain osmoregulation. These pumps' action might reverse in hypertonic conditions, where the external salt concentration is higher than inside the cell. As a result, the cell might start absorbing water instead of expelling it to prevent dehydration.
Explanation:Organisms living in pond water, such as Paramecium, contain water pumps known as contractile vacuoles. These pumps typically work to expel excess water from the cell, maintaining a balance known as osmoregulation. However, there are scenarios where this action might be reversed, such as a sudden increase in the salt concentration outside the cell. This would create a hypertonic condition.
In hypertonic conditions, the concentration of solutes is higher outside the cell than inside. Therefore, water inside the cell would move out to balance the solute concentrations, and the cell may start taking in water instead of expelling it to prevent dehydration and maintain its structural integrity.
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Why is charles darwin considered the father of modern biology?
what are the three main parts of the scientific process?
a) predicting, inferring , and drawing conclusions
b) activating knowledge, and inferring
c) observation, experimentation, and scientific
d) data collection, analysis, and hypothesis formation
The scientific process consists of three main parts: observation, experimentation, and scientific reasoning.
Option (c) is correct.
Observation involves gathering information about a phenomenon or a problem through the senses or using instruments. It is the first step in the scientific process and provides the foundation for further investigation.
Experimentation involves designing and conducting controlled experiments to test hypotheses or theories. Through carefully planned experiments, scientists manipulate variables and collect data to analyze and draw conclusions.
Scientific reasoning is the process of analyzing data, evaluating evidence, and drawing logical conclusions based on the results of experiments. It involves critical thinking, interpreting data, and identifying patterns or relationships.
The scientific process is an iterative and ongoing cycle. After drawing conclusions, scientists often refine their hypotheses and design new experiments to further investigate the topic or expand knowledge in the field.
While options a), b), and d) touch upon aspects of the scientific process, option c) provides a more comprehensive and accurate representation of the main components involved in scientific inquiry.
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Using your fingers to find your pulse on your wrist is an example of
Marge Simpson decided to start a new garden in her backyard. She heard that plants compete for space and decided to test this idea. She bought a mixture of flower seeds and some potting soil. She put the same amount of soil into each of 5 plastic cups. In the first cup she planted 2 seeds, in the second cup she planted 4 seeds, in the third cup 8 seeds, and in the fourth cup she planted 16 seeds. In the last cup she planted 32 seeds. After 25 days, she determined which set of plants looked the healthiest. what is the 1 independent variable 2 Dependent variable(DV) 3 Controlled variables 4 Hypotesis
Answer:
The correct answer will be -
1. Independent variable - the number of seeds
2. Dependent variable - growth of the plant
3. Controlled variables - amount of soil
4. Hypothesis - plant growth is directly proportional to the provided space.
Explanation:
In a scientific experiment, the variables could be categorized as dependent variables(to be studied), independent variables (can be manipulated) and constant (kept constant).
A scientific hypothesis is the prediction or an idea based on the previous work and observations which could be tested to answer the question.
In the given question, the variables to be tested is growth of the plants while the variables which can be manipulated is the number of seeds. The variable kept constant is the amount of soil added to the cups and the hypothesis will be the plant growth is directly proportional to the provided space.
What is the process called to build a biological molecule?
When humans breed cows for better meat, this is called
Answer:
Selective breeding or artificial selection
Explanation:
Well, in this case humans are deciding to perpetrate a feature, in this case meat quality.
In nature, the so called natural selection ''chooses'' the survival of certain phenotypes which selects the fittest organisms. In the case of selective breeding, it's the humas who selects a particular phenotype.
Why is prior knowledge so important in science
Prior knowledge allows you to make a well-informed hypotheses and better-planned experiment. However, you do not want prior knowledge to bias your experiments in any way.
All organisms are capable of _____.
a. quick escape from predators.
b. changing shape to blend into their surroundings.
c. consuming other organisms.
d. growing and reproducing.
Answer:
the answer is D
Explanation:
i did the quize on this
The _____________ is the smallest unit that can live and reproduce independently.
All members of the same species that live in the same area and make up a breeding group is called
What’s the answer to number 13? I’m stuck
which answer best explains why the townshend acts were passed
A) to raise money for Great Britain's debts
B) to punish the colonies for the Boston Massacre
C) to prevent colonists from protesting against Great Britain
D) to punish the colonies for the Boston Tea Party
Help appreciated! Compare and contrast critical thinking and an inference.