How can you call something "alive"? All living things share certain characteristics.
Part A: List the 9 characteristics of life. (1 point)
Part B: Choose 3 of the characteristics of life above. Give an example of each that describes how that characteristic contributes to the organism's survival. (3 points)
Explanation:
A - response to stimuli, reproduction, respiration (breathing), growth and development, regulation, homeostasis, energy processing, evolution,excretion.there's more but, I've only mentioned 9.
B -response to stimuli - by responding to stimuli the organism indicates the presence of nervous system and response to maintain survival.reproduction - by reproducing the organism is promoting the species' survival by maintaining it's presence for generations. respiration / breathing - this characteristic indicates gas exchange in an organism which, suggests metabolic reactions in the organism that provides it with necessary energy.hope this helps. :)
A mature red blood cell lacks a nucleus. How does this characteristic explain.
Answer:
Dont only white blood cells have a nucleus
Explanation:
Yes
Sponge larvae have cilia for
a Breathing
b Swimming
C Eating
d Respiration
How are the process by which animal and plants obtain energy different
Answer:
Plants absorb sunlight and turn it into energy. Animals eat other animals or plants for energy.
Hope this helps
Explanation:
Answer:
The process by which animals and plants obtain energy are different because animals get energy from eating food and plants get energy from sunlight.
Explanation:
Plant get it because they collect energy from the sun and use carbon dioxide and water in the process called photosynthesis to produce sugars.
AND
Animals get it because Animals can make use of the sugars provided by the plants and they can also eat meat or plants to get energy from them so that means when you eat food animals get energy.
ANSWER:- Plants get energy from sun.
Animals get energy from food.
Hope that helps you....
State what kind of reaction this is and how can you tell?
Answer:
This is a chemical reaction because there is an enzyme being used, and enzymes catalyze chemical reactions by decreasing the activation energy.
Are atoms created or destroyed in a chemical reaction? How do you know?
Answer:
No atoms are created or destroyed in chemical reactions.
Explanation:
Matter cannot be created or destroyed. When two reactants contact each other, a chemical reaction occurs which breaks the bonds between atoms and rearranges them, forming new bonds which transform them into the product. The same amount of atoms exists before and after the reaction.
Why are plants and animals called multicellular organisms?
Answer:
Plants and animals are called multicellular organisms because they are made up of more than one cell. Unlike unicellular organisms such as bacteria and protozoa, which consist of a single cell, plants and animals have specialized cells that are organized into tissues, organs, and organ systems. These cells work together to perform specific functions, such as obtaining nutrients, exchanging gases, and responding to the environment.
Multicellularity allows plants and animals to achieve a higher level of complexity and specialization than unicellular organisms, which can only perform limited functions. It also allows for greater efficiency in tasks such as movement, growth, and reproduction. The specialization of cells and tissues in multicellular organisms is one of the key features that distinguishes them from unicellular organisms, and it is essential for the proper functioning of these organisms as a whole.
in the temperature effects exercise, you remove a sample of bacteria from the culture in 10 minute intervals (time intervals total) and plate with fresh sterile media, then incubate. the purpose of this procedure is to determine the
The purpose of this procedure is to determine the growth rate of the bacteria and to observe the effect of temperature on the growth rate.
By removing samples at regular intervals and observing the number of colonies that grow on fresh media plates, it is possible to calculate the growth rate of the bacteria at different temperatures. This information can be used to identify the optimal temperature range for the growth of the bacteria, as well as to determine the thermal limits for growth. Additionally, this procedure can help to identify the effects of temperature on the metabolism and physiology of the bacteria and can provide important information for industrial and medical applications.
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Human beings differ from other animals because we have a skeleton that allows us to stand and walk upright.
How has our skeleton assisted us in dominating the animal kingdom?
What are other examples of how our skeleton has assisted us in surpassing other animals?
Also, how does the anatomy of the skeletal system relate with other systems within our body?
Our skeleton has helped us dominate the animal kingdom by allowing us to stand upright, walk, run, and engage in activities that require balance and agility. Other animals, such as quadrupeds, cannot do these things, which gives us a significant advantage.
Furthermore, the bones of our arms and hands have allowed us to develop fine motor skills, which are necessary for a variety of tasks, including tool use, art, and communication.Other examples of how our skeleton has assisted us in surpassing other animals are as follows:
Our skulls protect our brains, which are responsible for our intelligence and creativity.Our rib cages protect our vital organs, such as our heart and lungs, which are necessary for life.Our joints allow for a greater range of motion than those of other animals, making us more versatile.The anatomy of the skeletal system relates to other systems within our bodies because it interacts with them in a variety of ways. For example, muscles attach to bones, allowing us to move. Bones also produce red blood cells, which are necessary for oxygen transport. Furthermore, bones store important minerals, such as calcium and phosphorus, which are necessary for other bodily processes.
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How does the intracellular fluid compartment differ from the extracellular fluid compartment?.
How do I answer this question?
Answer:
Use the six stages of methods below to identify which is what.
Explanation:
The inner core is the same size as
I need help
Answer:
The inner core of Mercury is the same size as Earths core
Explanation:
i think
Science 20 points please help I think I know the answer I just want to be sure.
Explain how science uses fossil evidence paired with geologic time to support the theory of evolution. Explain
and support your answer and thinking.
Answer:
fossil geologic time
Explanation:
The result of gel electrophoresis are shown below with four different strands of dna labled which strand of dna is the longest
Answer:
The longest strand of DNA is the one that has descended the least in the electrophoresis gel. In other words, it is the one at the top of the gel.
Explanation:
Electrophoresis is a process that separates DNA according to its size and charge. The scientist puts the DNA samples into the indents at the top of a special gel. Then the person places it in a box that contains an ionic solution, a positive electrode at the bottom, and a negative electrode at the top. As the DNA has a negative charge, it will descend through the gel's pores towards the positive electrode. Since there are DNA of different lengths, the shortest goes down quickly through the gel than the large strands. As a result, the short strands of DNA will be at the bottom of the gel, the medium size strands will be in the middle of the gel, and the large strands on the top of the gel.
Answer:
1
Explanation:
im pretty sure that's the answer
Identify the ppe to be used when delivering a food tray to a resident who has a skin infection or open wound. Check all that apply.
The personal protective equipments used while delivering food tray to resident with skin infections or open wounds are face shield, gloves and gown.
What are personal protective equipments ?
Personal protective equipment is a protective clothing which is worn to protect the wearer's body from hazard or injury. The hazards which can be addressed by the use of personal protective equipment are physical, chemical and bio hazards.
It imposes a barrier between the user and the working environment. The main purpose of personal protective equipment is to reduce exposure of employees to the hazards.
It has a limitation that it does not eliminate the hazard and may lead to harm to the employee, if the equipment is damaged. It is not effective if it is not worn or fitted properly.
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Note: May be the correct question is as follow,
Question: Identify the PPE to be used when delivering a food tray to a resident who has a skin infection or open wound
Check all that apply.
a. Mask or respirator
b. Goggles
c. Face Shield
d. Gloves
e. Gown
f. No PPE is needed
Answer:
GLOVE AND GOWN
Explanation:
Which element is found in period 3, group 2? *
Answer:
Magnesium
Explanation:
Magnesium
Answer:
sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon.
Explanation:
The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon. The first two, sodium and magnesium, are members of the s-block of the periodic table, while the others are members of the p-block.
r-selected species will most likely:
a grow following a logistic pattern
b experience minimal growth
c grow at an exponential rate
d grow at a constant rate
R-selected species will most likely c grow at an exponential rate
What is the R-selected species?It should be noted that the R-selected species frequently experience exponential growth, and this can be considerd a one that is abrupt and rapid population increase that exceeds carrying capacity. As it gets close to bearing capacity, exponential growth continues unabated.
In conclusion, the Bacteria can be sen as one that gives the instance of exponential development in living things. Prokaryotes like bacteria can reproduce within one hour for many species.
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your muscles contract using contractile proteins to produce movement. TRUE/FALSE
The given statement "Muscles will contract using the contractile proteins to produce a movement" will be true. Because, of the inherent mechanism of muscle tissue and the interaction between actin and myosin proteins.
Sliding Filament Theory: Sliding Filament Theory states that during muscle contraction, the actin filaments slide past the myosin filaments, resulting in the shortening of the sarcomeres (basic contractile units of muscle fibers). This sliding of filaments is made possible by the interaction between actin and myosin proteins.
Actin and Myosin Interaction: Actin and myosin are two key contractile proteins involved in muscle contraction. Actin forms thin filaments, while myosin forms thick filaments. When a muscle is stimulated, myosin heads attach to binding sites on the actin filaments, forming cross-bridges. The myosin heads then undergo a conformational change, pulling the actin filaments towards the center of the sarcomere.
ATP as an Energy Source: Muscle contraction requires energy. ATP (adenosine triphosphate) is the primary energy source for muscle contraction. ATP is necessary for the detachment of myosin heads from actin, enabling the myosin heads to bind to actin again and continue the sliding process. The breakdown of ATP into ADP (adenosine diphosphate) and inorganic phosphate provides the energy required for these steps.
Coordination for Controlled Movement: The coordinated contraction of multiple muscle fibers within a muscle allows for controlled movement. By adjusting the recruitment of motor units (a motor neuron and the muscle fibers it innervates), the body can regulate the force and speed of muscle contractions, enabling precise movements.
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the pelvic splanchnic nerves originate from the neuron cell bodies housed within the lateral gray matter of the ______ spinal cord segments.
Answer: S2 to S4
Explanation:
how does dna code for specific proteins within a cell
Answer:
Genetic code refers to the instructions contained in a gene that tell a cell how to make a specific protein. Each gene’s code uses the four nucleotide bases of DNA: adenine (A), cytosine (C), guanine (G) and thymine (T) — in various ways to spell out three-letter “codons” that specify which amino acid is needed at each position within a protein.
Explanation:
Pick the list with correct order
"Phylum Class,Order Species"
2
"Kingdom, Class Phylum, Genus"
"Class, Order, Family, Genus"
4
"Class, Family,Order, Genus"
Examples
Single Units
Elements
Functions
Carbohydrates Lipids
glucose
fructose
galactose
Macromoleculés
fatty acids
glycerol
Nucleic Acids
carbon
hydrogen
oxygen
nitrogen
phosphorus
Proteins
structure
control reactions
regulation
fight disease
receptors
Once you’ve decided on your three organisms, the next step is to ask questions about the characteristics of the organisms you chose. This step will help you complete the Venn diagram. Here are a few questions to help you:
How many stages are present in the life cycles of these organisms?
Does a metamorphosis occur during their life cycles?
How do these organisms gain energy for their growth?
Where do these organisms live on Earth?
Can these organisms move freely?
What type of reproduction do these organisms have?
Are the organisms genetically identical or different from their parents?
Do these organisms produce many or few offspring at one time?
What other specialized structures or reproductive strategies do these organisms have?
life cycle: an organism’s stages of growth and development that lead to the production of offspring
Write down two additional questions you’ll research.
URGENTT
3, Describe an example of mutualism with which you are familiar, and that isn't explained in this book.
Answer: An example of mutualism would be the remora fish and shark.
Explanation: The shark gets cleaned and the remora fish gets something to eat. Both benefit from each other.
The hypothalamus is involved in flight or flight response. Which organ is involved in initiating and maintaining the physiological response to stress?
The hypothalamus plays a crucial role in the initiation of the "fight or flight" response. The organ involved in initiating and maintaining the physiological response to stress is the adrenal gland.
The hypothalamus signals the adrenal gland to release stress hormones such as adrenaline and cortisol, which in turn trigger various physiological responses throughout the body to help cope with the stressor. When the hypothalamus detects a stressful situation, it sends signals to the sympathetic nervous system to activate the adrenal gland, which then releases stress hormones such as adrenaline and cortisol. These hormones prepare the body for a quick response by increasing heart rate, blood pressure, and respiration, among other physiological changes.
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Some of the sugars produced by photosynthesis are stored as starch in the roots. Explain, as fully as you can, why it is an advantage to the plant to store carbohydrates as starch rather than as sugar.
Answer:
It's insoluble
Explanation:
Starch is better than glucose for storage because it's insoluble.
Insoluble meaning it can't be dissolved.
Explain various part of a leaf with well diagram
Answer:
A leaf has two main parts: (1) Petiole- the stalk that supports a leaf in a plant and attaches the leaf blade to the stem. (2) Lamina- the green flat part of a leaf that is specialized for photosynthesis. ... (ii) Midrib- The central, thick, linear vein that runs along the length of a leaf is called midrib
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hich is not a direct consequence of an antibody:antigen interaction? a. neutralization of toxin b. binding to intracellular pathogens c. opsonization d. prevent adherence of pathogens e. clump or agglutinate antigens
Once an antibody & antigen engage, opsonization somehow doesn't happen right away. Option B
How do antibodies function?When your system is exposed to with an undesirable chemical, antibodies, pro-teins, protect you. Your immune system produces antibodies that bind to these foreign substances and expel them from your body. An alternative name for an antibodies is immunoglobulin.
Where are antibodies to be found?Immunoglobulins can be found in blood, various tissues, and other fluids. They are produced by the plasma cells of the immune system, which are related to B cells. The immune system's B cells become activated and transform into plasma cells in response to a specific antigen binding to the surface of an antibody.
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The image is an example of
a. Carbohydrate
b. Adenosine triphosphate
c. Peptide bond
Answer:
Adenosine Triphpsphate
The opposite processes of evaporation is.
A. condensation.
B. percolation.
C. transpiration.
Answer:
condensation
Explanation:
Answer:
A. condensation
Explanation:
Evaporation is the process of liquid turning into gas, the opposite would be condensation which is the process of water vapor turning back into a liquid.