Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Explanation:
The type of membrane protein that gives cells specific identity are called:
Markers
Channels
Receptors
Pumps
Aquaporins
Answer:
Membrane markers allow cells to recognize one another, which is vital for cellular signaling processes that influence tissue and organ formation during early development. This marking function also plays a later role in the “self”-versus-“non-self” distinction of the immune response.
Explanation:
QUESTION 1 (POLL)
We can feed more people with grain than with meat and would
take up less space on our planet to do all this.
SELECT AN ANSWER
True
False
This can not be measured
SUBMIT
Answer:
True.
Explanation:
I say true, but we still need both. And it would be really difficult to get an accurate measurement on it.
Answer:
True
Explanation:
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Genes carry the codes that tell the body how to form itself.
True or False
If a person has a genetic predisposition for Type II Diabetes, what could they do to help lower their risk of developing it? A. Live a low exercise lifestyle B. Eat less carbohydrates C. Eat more carbohydrates D. Eat more protein
The option that would help lower the risk of developing Type II Diabetes for a person with a genetic predisposition is B. Eat less carbohydrates.
What are the carbohydrates?
Eating a diet that is high in carbohydrates, especially refined carbohydrates such as white bread, pasta, and sugary drinks, can lead to elevated blood sugar levels and increase the risk of developing Type II Diabetes. On the other hand, reducing carbohydrate intake and replacing them with healthier options such as whole grains, fruits, and vegetables can help to regulate blood sugar levels and reduce the risk of developing diabetes.
Furthermore, a diet that is low in carbohydrates and high in healthy fats and proteins can also help with weight loss and improve insulin sensitivity, which are important factors in reducing the risk of developing Type II Diabetes.
It is important to note that while diet is a crucial factor in managing the risk of developing Type II Diabetes, it should be combined with other healthy lifestyle habits such as regular physical activity, maintaining a healthy weight, and managing stress levels for maximum benefits.
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Complete question is: If a person has a genetic predisposition for Type II Diabetes, they could Eat less carbohydrates to help lower their risk of developing it.
match each description or example with the characteristic of life that it best illustrates. 1. the roots of a plant grow toward a source of water. sensitivity 2. the body temperature of a dog is more stable than the temperature of its environment. (click to select) 3. a cat is composed of organ systems, which are composed of organs, which are composed of tissues, which are composed of cells. (click to select) 4. a bacterial cell divides to form two new cells. (click to select) 5. in order to carry out essential life functions such as growth, development, and movement, a duck must eat. (click to select) 6. in 1980, scientists determined that 2% of the honey bees in texas had a gene that makes them more aggressive. by 2005, the frequency of this gene in the texas honeybee population had increased to 15%. (click to select)
The hydrotropism: A plant grows only in one direction in response to a stimulus or gradient in water content.
2.The condition known as homeostasis: Our body helps to maintain homeostasis by cooling itself by sweating.
3.Complexity in Order: Tissues, organs, and organ systems make up a cat. Tissues are made up of cells that are similar to one another.
4.The reproduction: When bacterial cells divide, they form two identical cells; this is caused by binary fission.
5.Utilization of Energy: Cells require an external source of energy to produce energy, just like humans do.
6. Evolution: the process by which new species of living things grow out of old ones.
How does hydrotropism work?The roots of plants play a role in the absorption of water from the soil and have evolved a number of adaptive traits, such as hydrotropism, to help them forage for water. Root growth is altered by hydrotropism to respond to a soil-to-soil water potential gradient and move toward areas with more moisture.
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What happens to the sugar that are made during photosynthesis?
They go back into the Calvin Cycle
They can be used for cellular respiration
They move directly into an electron transport chain
They bond to make ATP
Answer:
B - They can be used for cellular respiration.
Explanation:
The sugar goes through the process of cellular respiration and is used to make energy in the form of ATP.
First it must be used in cellular respiration, then can be formed into ATP.
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I need help please um just look at the pictures so yea
Answer:
They release C02, which contributes to climate change.
They can cause health issues.
Explanation:
The other two are positive aspects, and these two are true.
You arrive at the scene of an accident where people are panicked and yelling. Three people appear to be injured. What action will you take FIRST?
Answer:
Go over to the panicked people and ask what happened.
Explanation:
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Which of the following nutrient provide more energy? a. Protein b. Carbohydrate c. Lipids d. Vitamins
The nutrient which provide more energy is C. Lipids
Among the given options, lipids provide the most energy per unit mass. Lipids, also known as fats, are a concentrated source of energy in the diet. When metabolized, lipids yield approximately 9 kilocalories (kcal) of energy per gram.
Carbohydrates, including sugars and starches, provide approximately 4 kcal of energy per gram. They are a readily available source of energy for the body, particularly for short-term energy needs. Proteins also provide approximately 4 kcal of energy per gram. However, their primary role is not as an energy source but rather as the building blocks for tissues, enzymes, and other important molecules in the body.
Vitamins, on the other hand, do not provide significant energy. They are essential for various biochemical processes in the body but do not contribute directly to energy production.
It is important to note that while lipids provide the most energy per gram, the overall balance and variety of nutrients in a diet are crucial for maintaining optimal health. Nutrient needs vary based on individual factors, such as age, sex, activity level, and overall health goals. Therefore, Option C is correct.
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Anti-acid medications such as Tums and Alka-Seltzer are bases. What happens when you take an anti-acid tablet for acid reflux/heartburn?
A
It raises the pH of your stomach.
B
It lowers the pH of your stomach.
C
It kills harmful bacteria in the stomach.
D
It has no effect on acid refluz or heartburn.
Answer: it raises the ph of your stomach.
Explanation:
Select all of the factors that are accounted for by cell theory.
the growth and reproduction of unicellular organisms
o the generation and replacement of cells in multicellular organisms
the origin and nature of the very first cells, from which all other cells derive
the existence of erythrocytes, neurons, and other cells that do not reproduce
Answer: B and D
Explanation:
All the factors are accounted for cell theory. All options are true.
What is cell theory?Cell Theory is one of the basic principles given by German scientists Theodor Schwann and Matthias Schleiden.
It states that all living organisms are composed of cells. The cells are the basic unit of life and it may be unicellular or multicellular.
The cells arises from pre-existing cells
The modern cell theory later on states that energy can passes from different organs to different in a cell.
Every cell has same components, and DNA is present in chromosome of nucleus where as RNA is present in cytoplasm.
It can pass from one cell to another cell.
The process by which new cell arise from pre-existing cell called cell division.
Hence, all options are true.
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d. Name at least three mandatory deductions that are taken out of gross pay.
Answer:
Some mandatory payroll tax deductions that employers are required by law to withhold from an employee's paycheck include: Federal income tax withholding, Social Security & Medicare taxes - also known as FICA taxes
Which cellular transport process is pictured below?
Extracelular environment
Cytoplasm
phagocytosis
exocytosis
pinocytosis
endocytosis
Answer: Phagocytocis
Explanation:
I got little time left
What are the five human impacts on the environment? (I would prefer them in point form, but i understand if you cant do that
Answer:
1. pollution
2.climate change
3. misuse of natural resources
4. erosion
5.loss of biodiversity
Explanation:
Answer:
overpopulation, pollution, burning fossil fuels, and deforestation.
Explanation:
the organisms that feed on dead and decaying matter are called
A. Saprotrophs
B. Autotrophs
C. Heterotrophs
D. Parasite
The organisms that feed on dead and decaying matter are called Saprotrophs.
An organism that feeds on dead and decaying organic matter is called a saprotroph. These organisms are heterotrophic, which means that they obtain their food from other sources. They are important in the ecosystem because they break down dead organic matter and recycle it back into the soil, making nutrients available to other living organisms
Answer:
A. Saprotrophs
Explanation:
Saprotrophs are organisms that obtain their nutrients by feeding on dead and decaying matter. They play a crucial role in the ecosystem by decomposing organic material and recycling nutrients back into the environment.
These organisms secrete enzymes that break down complex organic compounds into simpler substances, such as sugars and amino acids, which they can absorb and utilize for their own growth and energy needs. Examples of saprotrophs include fungi (such as mushrooms and molds) and certain bacteria.
Unlike autotrophs, which can produce their own food through photosynthesis or chemosynthesis, saprotrophs rely on external sources of organic matter for their nutrition. They actively decompose dead plants, animals, and other organic materials, aiding in the process of nutrient recycling and decomposition.
Heterotrophs, on the other hand, are a broader category of organisms that obtain their nutrients by consuming other living or dead organisms. This includes saprotrophs, as well as other types of organisms such as herbivores, carnivores, and omnivores.
Parasites, meanwhile, are organisms that live in or on other organisms, known as hosts, and obtain their nutrients from the host while causing harm or damage to it. Unlike saprotrophs, parasites typically rely on a living host for their sustenance rather than feeding on dead and decaying matter.
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3. The principles of probability can be used to
a. predict the traits of the off spring of genetic crosses.
b. determine the actual outcomes of genetic crosses.
c. determine which species should be used in genetic crosses.
d. decide which organisms are best to use in genetic crosses.
Answer:
(A) predict the traits of the offspring of genetic crosses
Explanation:
In sexual reproduction, gametes containing parental DNA fuse to create an offspring. The fusion of gametes is random, so the outcomes of sexual reproduction are governed by chance
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A guinea pig with black eyes (B b) is crossed with one that also has black eyes (B b).
Answer:
then we get same type of animal whom have also black eyes (Bb)..
What effect could medical advances have on population growth?
A) Medical advances could lead to a decrease in both death and birth rates.
B) Medical advances could lead to a decrease in both death and growth rates.
C) Medical advances could lead to an increase in both birth and death rates.
D) Medical advances could lead to a decrease in death rate and increase in growth rate.
E) none of the above
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Please select the word from the list that best fits the definition
plants that require short nights to flower
long-day plants
gibberellins
stimulus
cytokinins
day-neutral plants
photoperiodism
short-day plants
abscisic acid
tropism auxin
photosynthesis
respiration
Answer:
long-day plants
gibberellins
stimulus
cytokinins
day-neutral plants
photoperiodism
short-day plants
abscisic acid
tropism auxin
photosynthesis
respiration
what are tips for taking mcas and passing it?
The diagram to the right shows a planet's orbit around the Sun. At which location is the planet's orbital
velocity (speed) greatest?
A
Sun
Answer:
According to the second Kepler's law:
A line joining a planet and the Sun sweeps out equal areas during equal intervals of time
The planet travels faster when closer to the Sun and slower when distant.
So the answer is point A
All cells live and divide at the same rate.
True
False
Answer: False
Explanation:
What’s the correct answer answer asap for brainlist
What is the darkest part of the ocean? a.Abyssal plain b.Continental rise c. Mid ocean ridge d. Trench
A part of an mRNA has the sequence CCG. Which change to this sequence
would indicate a missense mutation?
Phe UCC
UUG Leu/UCA
Messenger
Second base in codon
RNA Codons
U
C
A
G
UUU
UCU UAU UGU 1 U
UUC
UAC Tyr
U
UGC)
Cys
с
Ser
UUA
UM Stop UGA Stop A
UCG UAG Stop UGG Trp G
CUU
CCU CAU CGU
CUC ССС
CAC
His
CGC
с
Leu
Pro
CUA CCA
Arg
CAA CGA
Gin
ΓΑ
CUG CCG CAG CGG
AUU ACU
AAU
Asn
AGU
AUC
U
lle ACC ААС AGC
Ser
А
Thr
с
AUA ACA AAA AGA
Lys
AUGS ACG
Α
AAG AGG
GUU GCU GAU GGU
Asp
U
GUC GCC GAC GGC
G
Val Ala
GUA GCA
Gly
GAA
Glu
GGA
GUG) GCG
GAG) GGG)
GCA
First base in codon
OCOCODOC
Third base in codon
Arg
O O A. CCU
O B. CGG
Ос. ССА
D. CCC
The question is kind of confusing but from what I understand; missense mutations happen when an amino acid is changed to another amino acid. To find out more specifically, look at a codon chart trust me it helps so much lol (just search codon chart and go to images). missense mutations can also cause a premature stop codon so look for a changed amino acid and a stop codon when u look at the codon chart. maybe if u see the different pairs you can get a more specific answer. I hope this helps :)
which of the following is not a major step when adopting the scientific method of solving problem?
a. Analysis of data
b.Collection of experimental data
c.Formulation of a hypothesis
d.Formulation of a theory
Answer:
d. formulation of a theory
Answer:
D. Formulation of a theory.
Explanation:
A scientific theory is a set of statements that, when taken together, attempt to explain a broad class of related phenomena.
explain the importance of all 3 biomolecules in general and for making ATP.
The three biomolecules that are used for making ATP are Lipids (fats) , Carbohydrates and Proteins
The biomolecules also known as biological molecules serve a wide range of activities and they vary in shape and their size . It is also considered essential to life because they help organisms develop, survive, and propagate. The biomolecules interact with one another which play a role in the development of organisms .
There are four types of biological molecules which are carbohydrates which is used as an energy source , lipids which is used for storage and support , proteins is used for supporting essential vital functions and amino acids are the developing elements that make up proteins and nucleic acids for storing genetic information .
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2. A fruit fly is classified as a consumer rather than as a producer because it is unable to 1. reproduce asexually 2. synthesize its own food 3. release energy stored in organic molecules 4. remove wastes from its body
Answer:
2. synthesize its own food
Explanation:
Based on how they obtain their nutrition, living organisms has been classified to be either producers, consumers, or decomposers. Producers are organisms capable of synthesizing their own food using light (photosynthesis) or inorganic chemicals (chemosynthesis).
Consumers, on the other hand, cannot synthesize their own food and hence, rely on other organisms to obtain their energy source. Consumers feed on other organisms to obtain energy. In this question, a fruit fly is classified as a CONSUMER because it cannot synthesize its own food.
Answer:
2
Explanation:
because a fruit fly isn't a producer