Answer:
an area of lower concentration to an area of higher concentration.
ATP
Primary active transport directly uses a source of chemical energy (e.g., ATP) to move molecules across a membrane against their gradient.
the uptake of glucose in the intestines in humans and the uptake of mineral ions into root hair cells of plant
membrane pumps (such as the sodium-potassium pump) and vesicle transport.
Primary Active Transport.
The Cycle of the Sodium-Potassium Pump.
Generation of a Membrane Potential from the Sodium-Potassium Pump.
Secondary Active Transport.
Sodium Potassium Pump.
Endocytosis.
Exocytosis.
Active Transport.
Explanation:
Moving substances across a cell membrane against their concentration gradient, from an area of lower concentration to a region of greater concentration, is a process known as active transport in cells.
Thus, Active transport uses external energy—typically in the form of ATP (adenosine triphosphate)—to move materials against the concentration gradient as opposed to passive transport, which depends on the natural movement of particles.
Active transport involves the movement of materials across the cell membrane by means of specific membrane proteins called carrier proteins or pumps.
Thus, Moving substances across a cell membrane against their concentration gradient, from an area of lower concentration to a region of greater concentration, is a process known as active transport in cells.
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three importance of preserving food
Answer:
*Food preservation increases the shelf life of food.
*Food preservation increases the food supply.
*it's safe to eat food after a long time after preservation
Explanation:
hope it helps
Which cellular process is carried out by ALL organisms?
Group of answer choices
cellular respiration
chemosynthesis
photosynthesis
Answer:
CELLULAR RESPIRATION
Explanation:
All organisms, including plants, use the process of cellular respiration to transform stored energy in food molecules into usable energy. The energy produced is stored in the form of ATP and is used by organisms to conduct their life processes.
nadph builds up in the ________________ during electron transport.
NADPH builds up in the STROMA of the chloroplasts during electron transport. In chloroplasts, NADP+ is reduced by the ferredoxin-NADP+ reductase.
Nicotinamide adenine dinucleotide phosphate (NADPH) is the reduced electron form of NADP+.
The NADPH coenzyme is generated during the last step of the electron transport chain of the light-dependent reactions of photosynthesis.
NADPH is used by plant cells as an electron donor in different reactions associated with dehydrogenase and reductase enzymes.
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how do you know that the gene being transcribed in the animation is in a prokaryote?
Answer: The initiation of transcription involves a sigma factor
Explanation:
quizlet
what are three biotic factor that limit the carrying of any habitat?
Answer:
Amount of food, competition with other species, habitat space
1. What average energy of particles does temperature measure?
A. kinetic
B. potential
C. chemical
D. mechanical
An organism suffers damage from chemical exposure, causing a cell to increase the production of a protein that promotes cell division. This division is rapid and uncontrolled.
How would this impact the organism?
The organism would be able to heal minor injuries rapidly.
The organism would be able to heal minor injuries rapidly.
The organism would begin to develop cancerous masses.
The organism would begin to develop cancerous masses.
The organism would stop growing.
The organism would stop growing.
The organism would start to evolve.
The organism would start to evolve.
Uncontrolled cell growth is often associated with mutations in genes encoding proteins that promote cell division. These regulatory proteins are known as mitogens or growth factors.
The consequence of a mutation that leads to rapid and uncontrolled cell growth is that the organism would begin to develop cancerous masses.Cancer is uncontrolled cell growth, which is caused by mutations in genes involved in the control of cell division.
A growth factor is a molecule capable of inducing cellular growth and proliferation.A mitogen is a protein that induces a cell to begin mitosis (e.g., the Platelet-derived growth factor).
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Which formula represents an organic compound?
Mg(OH)2
C6H12O6
NH3
NaCl
Answer:
B
Explanation:
Which can modern taxonomy do?
design tables based on physical characteristics
compare the length of DNA among members of a species
compare the length of RNA among members of a species
distinguish how closely related organisms are
Modern taxonomy can be used to distinguish how closely related organisms are. It is a branch of systematics used to classify organisms based on different phenotypic traits and characteristics.
Taxonomy is a system of identifying and classifying biological systems.
Modern taxonomy refers to the system of classification of organisms on the basis of their evolutionary relationships (i.e., its basis involves phylogeny).
Modern taxonomy takes into consideration empirical evidence from different fields of study (e.g., morphology, cytology, physiology, etc).
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Answer:
D is the answer :)
Explanation:
took the test on edge
have a nice day and stay safe <3
i need an answer asap
Answer:
yes
Explanation:
Bec. water molecules are polar, hydrogen bonds from between water molecules,polarity has nothing to do with cohension, adhesion and have surface tensionthe ________ response cycle includes four phases including excitement, plateau, orgasm, and resolution.
Starts with an S ends with an L.
Rhymes with usual (Big Brain thinking)
a population characteristic, such as a population mean, is called
Answer:
Parameter
Explanation:
Every Characteristic a population has is called a Parameter
Name two types of cells
Answer:
Animal cells and plant cells
Somebody help me please
Answer:
ocular lens - b is the correct option.
coarse adjustment knob - c is the correct option.
fine adjustment knob - a is the correct option.
Which statement is true of a Prokaryote cell? Please Help !!!
Answer:
it is unicellular.does not have a nucleus and is missing most organelles.
i need help with this
Answer:
Explanation:
hubb
how many species of marine amphibians are there today?
Answer:
8,000.
Explanation:
Nearly 90% are frogs.
Which of the following is true about enzymes?
- Enzymes are not changed in a chemical reaction
-Enzymes lower the activation energy of a chemical reaction
- Enzymes are specific for only one substrate/molecule
-Enzymes are reusable
-All of the above
Answer:
all of the above
Explanation:
HELP!!!!!!!!!11 100 POINTS!
Answer:
1. Cell membrane
2. Ribosomes
3. Mitochondria
4. Rough endoplasmic reticulum
5. Chromatin
6. Nucleolus
7. Cytoplasm
8. Nucleus
9. Smooth endoplasmic reticulum
10. Golgi vesicle
11. Golgi apparatus
12. Lysosome
Answer:
1. Cell membrane2. Ribosomes3. Mitochondria4. Rough endoplasmic reticulum5. Chromatin6. Nucleolus7. Cytoplasm8. Nucleus9. Smooth endoplasmic reticulum 10. Golgi vesicle11. Golgi apparatus12. Lysosome
Explanation:
which is transported in the xylem of a plant
Question 1 (2 points)
What is the molecule that is created in photosynthesis that stores chemical potential energy that is later broken
down into ATP in cellular respiration?
a
plants
b
glucose
с
oxygen
d
carbon dioxide
Explanation:
In the process of photosynthesis, plants and other photosynthetic producers create glucose, which stores energy in its chemical bonds. Then, both plants and consumers, such as animals, undergo a series of metabolic pathways—collectively called cellular respiration.
Answer:glucose
с
Explanation:
Give an example of how ethical question related to people and their interactions with the environment.
Answer:
Global warming, global climate change, deforestation, pollution, resource degradation, the threat of extinction are few of the issues from which our planet is suffering. Environmental ethics are a key feature of environmental studies that establishes the relationship between humans and the earth.
There are many ethical decisions that human beings make with respect to the environment. For example: Should humans continue to clear cut forests for the sake of human consumption? Why should humans continue to propagate its species, and life itself? Should humans continue to make gasoline-powered vehicles?
There are many ethical decisions that human beings make concerning the environment.
What are ethical changes?Ethical issues is a circumstance in which a moral conflict arises in the workspace.
Ethical issues in the workplace:
Unethical leadership.Toxic workplace culture.Abuse of leadership authority.Environmental ethics are a feature which establishes relationship between humans and the earth. Humans are cutting trees and harming nature for own greed.
Global warming, global climate change, deforestation, pollution, resource degradation are the few issues from which our planet is suffering. Humans should take care of nature and should grow trees. Industries should also make some eco freindly products.
There are many ethical decisions that human beings make concerning the environment.
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Which two chemical processes are represented by the equation below?
starch + water <—enzymes—>
sugars
Hydrolysis + water because when the starch is being added with water the water is breaking it down
Explanation:
Kangaroo rats are rodents that eat seeds and nuts and burrow in the ground to keep cool. These animals do not need to drink water because they get all the water they need from their food.
Where are these organisms adapted to live?
Answer:
the desert because it has scarce water and they would get the water from the plants and insects they eat.
Explanation:
What are the four bases that make up DNA
Answer:The DNA of all the living beings is composed of just four bases i.e. Adenine (A), Thymine (T), Guanine (G), and Cytosine (C).
Explanation:
Answer:
adenine, cytosine, guanine, and thymine,
but most of all, kanye west, he is god
Explanation:
what a spring tide is
Explanation:
spring tide, tide of maximal range, near the time of new and full moon when the Sun and Moon —i.e., aligned with the Earth. Conjunction is the time during new moon when the Sun and Moon lie on the same side of the Earth.
describe the components in the blood that affect viscosity
Answer:
components in blood that affect viscosity is formed elements, plasma proteins, WBCs, RBCs and platelets. ... When there is an increase in viscosity, it decreases the blood flow rate, 3. Describe the graph of flow versus viscosity.
Components in the blood that affect viscosity are formed
elements, plasma proteins, WBCs, RBCs,platelets.What's viscosity provides an explanation for?Viscosity is the resistance of a fluid (liquid or gas) to trade in shape, or motion of neighboring portions relative to each other. Viscosity denotes competition to waft. The reciprocal of the viscosity is called the fluidity, a degree of the benefit of waft. Molasses, for instance, has an extra viscosity than water.
What's an IT unit?Viscosity is a measure of a fluid's resistance to glide. The SI unit of viscosity is poiseiulle (PI). Its different gadgets are newton-2nd per square meter (N s m-2) or pascal-2nd (Pa s.).
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what
term can be used to describe the organizational level of the brain in the human body?
Answer:
The brain has three main parts: the cerebrum, cerebellum, and brainstem
Explanation:
Cerebrum: is the largest part of the brain and is composed of the right and left hemispheres. The Cerebellum is located under the cerebrum. Its function is to coordinate muscle movements, maintain posture, and balance.
"Blending" genes is associated with:
O Complete Dominance
O Blood Typing
O Incomplete Dominance
O Codominance
Answer:
a
Explanation:
The "blending" of genes is associated with incomplete dominance.
Incomplete dominance occurs when neither of the two alleles in a gene pair is completely dominant over the other.
Instead, the phenotype of the heterozygous individual is an intermediate blend or mixture of the phenotypes associated with each allele. In other words, the traits from both alleles are expressed in a blended or intermediate manner.
For example, in a cross between a red-flowered plant (RR) and a white-flowered plant (WW), if incomplete dominance is present, the resulting offspring (RW) may have pink-colored flowers, which represent a blend of the red and white traits.
Thus, the answer is incomplete dominance.
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Pure water would have what kind of tonicity?:
Answer: Tapwater and pure water are hypotonic. A single animal cell ( like a red blood cell) placed in a hypotonic solution will fill up with water and then burst.
Explanation:
