Answer:
Yes, this is true. This is because animals also carry genes which codes for a certain trait, and these traits have their own allele. Mendel's experiment portrayed tall plants and dwarf plants being crossed, moreover the colour of the flowers could also be taken as an example. In the similar way, animals, for example, mice, could be white furred or brown furred. They both carry alleles which codes for their fur colour, like plant alleles which codes for either tall or dwarf.
HELP ME PLEASE SOMEONE :(
Answer:
D
Explanation:
The other person is right, pls give them brainliest pls?
Summarize the theory of Continental Drift in your own words.
The air in the thermosphere becomes thinner and thinner until it fades into space. True or false
Answer:
Well to be honest there are no unmistakable separating lines. Each layer mixes into the layer above it and the layer underneath it. Researchers are certain that the air becomes thinnerand more slender farther from the Earth's surface, until it at long last blurs off into space.
Explanation:
Answer:true
i cant explain they wont let me put in l-i-n-k-s
Action Potential: Relative refractory period
In a neuron, there is a period of time called the absolute refractory period where it is impossible for an action potential to
begin. This corresponds to the change in membrane potential from +30 to -70 mV, or the repolarization phase. Towards the
end of the repolarizing phase, there is a relative refractory period where it is difficult, but not impossible, for another action
potential to begin. Using the time slider function, which of the following segments in the neuron would correspond to a
relative refractory period?
A second action potential can be triggered during the relative refractory phase, but it will need a stronger stimulus to do so than the first time. Refractory times are brought on by the inactivation gate of the Na+ channel.
What Action Potential related to Relative refractory period?The axon has a tougher time producing successive action potentials during this time period, which is referred to as the refractory period, as a result of these transient alterations.
As a result, the refractory period restricts the quantity of action potentials that a certain nerve cell can generate in a given amount of action potentials time.
If enough powerful stimuli are applied to the neuron after the absolute refractory time, Na+ channels start to recover from inactivation and the neuron may respond once again by generating action potentials.
Therefore, A stimulus that is stronger than usual is required to generate neuronal activation during the relative refractory period.
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Choose the statements that are TRUE about Surface Tension..
a. It is a measure of how difficult it is to break the surface of a liquid.
b. It causes water drops to be nearly round (perfect spheres in zero gravity situations!)
c. It helps keep water flowing through a living thing.
d. It occurs because water molecules are bonded to other water molecules and you have to break that bond to break them apart.
Answer:
d
Explanation:
What are biodiversity hot spots?
O A. Areas where large numbers of earthquakes and volcanic eruptions
occur
B. The warmest and driest ecosystems on Earth
C. Areas where the average annual temperature exceeds 40°C
O D. The richest and most threatened reservoirs of life on Earth
Answer: D
Explanation: Yet biodiversity hotspots are, by definition, in a conservation crisis. To be classified as a biodiversity hotspot, a region must have lost at least 70 percent of its original natural vegetation, usually due to human activity. There are over 30 recognized biodiversity hotspots in the world
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The molecular attraction of a substance never changes.
True
Or False
Answer:
True
Explanation:
what are the limitations of cell theory
Answer:
The shortcomings or drawbacks of cell theory are: Viruses are considered as acellular entities or organisms that do not have cell machinery, yet they are taken into account as organisms in this cell theory. Matthias Schleiden and Theodor Schwann did not know the mechanism of the cell.
Explanation:
Which set of organs helps the human body get rid of waste?
A
skin, pancreas
B
kidneys, bladder
C
pancreas, small intestine
D
bladder, stomach
What do scientists mean when they refer to a
population?
A. all the organisms in an ecosystem
B. all the species that share similar
anatomical features
C. all the animals that acquire resources
through similar methods
D. all the interbreeding members of a certain
species in an ecosystem
Answer:
d.
Explanation:
A lysosome is the organelle inside of a cell that is responsible
for digestion. The lysosome performs the same basic function
as which system in animals?
Digestive System
Circulatory System
Nervous System
Respiratory System
How much energy will the cheetah get if it eats the gazelle?
Answer:
alot
Explanation:
the angle of reflection is the angle between the normal line and the
Answer:
Reflected ray
Explanation:
The angle between a reflected ray and the normal drawn at the point of incidence to a reflecting surface is the angle of reflection.
How does the muscular system interact with the digestive system?
A
Food is moved through the small intestine.
B
Oxygen is moved into and out of the lungs.
C
Saliva production increases at the sight or smell of food.
D
Nutrients are absorbed and transported to other body parts.
Which parts are included in a scientific name? Select all that apply.
1.family 2. species 3. genus 4. phylum
Answer:
Genus and species name
Explanation:
Scientific names are created to help decrease confusion in the naming process of animals and plants. The first part is the genus which is the origin of the organism and the second part is the species which is what identifies it as plant, animal, and other stuff.
Hope this helps :)
Which gives nourishment to embryo sac??
1) Tapetum
2) Endosperm
3) Thalamus
4)Nucellus
Answer:
4 Nucellus
Explanation:
if u think right then follow me
Using the picture below, what is the BEST question that a student could ask that would help determine which aquatic biome this is depicting?
A.
Does the temperature of the water affect the salinity?
B.
Is there a variation in water pressure throughout the day?
C.
Is there a fluctuation in water salinity throughout the day?
D.
Is there variation in water temperature throughout the day?
Answer:
Explanation:
Using the picture below, what is the BEST question that a student could ask that would help determine which aquatic biome this is depicting?
A. x
Does the temperature of the water affect the salinity?
B. x
Is there a variation in water pressure throughout the day?
C. x
Is there a fluctuation in water salinity throughout the day?
D. right
Is there variation in water temperature throughout the day?
The image below is an example of which level of organization,
The process of. Produces a new copy of an organisms genetic information which is passed on to a new cell
what process produces new copy of organisms genetic information?
DNA replication
Give two reasons of the modification of stem of a plant in different forms,
Please help
1) What process determines the
potential of species to
increase in numbers?
answer:.
reproduction
did you know that 83,915,501,421 usd are spent on illegal drugs?/!?!?
Answer:
yes iknow that do you know?
Answer:
omg I never knew that
Explanation:
wht is it
Which of the following actions would decrease global warming?
Select one:
Decreasing the amount of methane in the air.
Increasing the amount of oxygen in the air.
Increasing the amount of water vapor in the air.
Decreasing the amount of nitrogen in the air.
Answer:
Decreasing the amount of methane in the air
Explanation:
Methane is a powerful greenhouse gas, which absorbs the sun's heat and doesn't allow it to escape therefore contributing to global warming
Decreasing the amount of methane in the air would decrease global warming. Therefore, option (A) is correct.
What is global warming?Global warming is the gradual increase in the Earth's average surface temperature, primarily due to the buildup of greenhouse gases in the atmosphere, such as carbon dioxide and methane. These gases trap heat and prevent it from escaping into space, leading to a warming effect on the planet.
The consequences of global warming are far-reaching and potentially catastrophic, including rising sea levels, more frequent and severe weather events, loss of biodiversity, and impacts on human health and well-being.
To address global warming, it is essential to reduce greenhouse gas emissions by transitioning to cleaner and more sustainable sources of energy, improving energy efficiency, and adopting more sustainable land use practices. Addressing global warming requires a collective effort from individuals, communities, businesses, and governments around the world.
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write 5 major facts in complete sentences about pedigrees
What is the function of digestive enzymes ?
Answer in brief..I'll reward.
➜ Digetive enzymes convert the large and insoluble food molecules into small water molecules in the process of digestion. For example, pancreas secretes enzymes like amylase, trypsin and lipase. The enzyme amylase breakdown the starch, trypsin breaks down the proteins and lipase breaks down emulsified fats into simple sugars, amino acids and fatty acids, respectively.
Which statement is most accurate about alternation of generations?
It involves changing the total number of chromosomes in a plant cell.
It refers to the haploid and diploid phases of the plant life cycle.
It refers to the processes of meiosis and fertilization.
It involves only some of the seedless vascular plants.
Answer:
It involves alternating haploid and diploid phases. alternation of generations is the term that is used to the life cycle that happens in plants and algae.
Explanation:
Answer:
B.It refers to the haploid and diploid phases of the plant life cycle.
Explanation:
Matching type:
1. ribosome
2. smooth ER
3. mitochondrion
4. nucleus
5. Golgi apparatus
6. lysosome
7. centriole
8. cytoskeleton
9. inclusion
10. plasma membrane
11. nucleolus
a. main site of ATP synthesis
b. encloses the chromatin
c. sac of digestive enzymes
d. examples include glycogen granules and ingested foreign materials
e. forms basal bodies and helps direct mitotic spindle formation
f. site of protein synthesis
g. forms the external boundary of the cell
h. site of lipid synthesis
i. packaging site for ribosomes
j. packages proteins for transportation
k. internal cellular network of rodlike structures
Answer:
1. ribosome---- f. site of protein synthesis
2. smooth ER---- h. site of lipid synthesis
3. mitochondrion---- a. main site of ATP synthesis
4. nucleus---- b. encloses the chromatin
5. Golgi apparatus---- e. forms basal bodies and helps direct mitotic spindle formation and j. packages proteins for transportation
6. lysosome---- c. sac of digestive enzymes
7. centriole---- k. internal cellular network of rod like structures
9. inclusion---- d. examples include glycogen granules and ingested foreign materials
10. plasma membrane---- g. forms the external boundary of the cell
11. nucleolus---- i. packaging site for ribosomes
Explanation:
Ribosome is considered as a site of protein synthesis, smooth endoplasmic reticulum is the site of lipid synthesis , mitochondria is the main site of ATP production, nucleus encloses the chromatin material inside it, Golgi apparatus forms basal bodies and helps direct mitotic spindle formation and also packages proteins for transportation, lysosome is a sac of digestive enzymes , centriole consists of internal cellular network of rod like structures , inclusion has examples include glycogen granules and ingested foreign materials, plasma membrane forms the external boundary of the cell and nucleolus has the function of packaging site for ribosomes.
The functions of various cell organelles are as follows: Ribosome is responsible for protein synthesis, smooth endoplasmic reticulum synthesises lipids, mitochondria produces ATP, nucleus encloses chromatin material, Golgi apparatus forms basal bodies and aids in mitotic spindle formation and protein packaging for transportatio.
Lysosome contains digestive enzymes, centriole is composed of a cellular network of rod-like structures, inclusion contains glycogen granules and foreign materials, pla
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Which of the following is a characteristic of many eukaryotes?
a. Many eukaryotes have no DNA
b. Many eukaryotes have many cells
c. Many eukaryotes have no cell membrane
d. Many eukaryotes have DNA in cytoplasm
Answer:
c
Explanation:
The statement that represents a characteristic of many eukaryotes is that many eukaryotes have many cells. Thus, the correct option for this question is B.
What do you mean by Eukaryotes?Eukaryotes may be defined as the type of living organisms that significantly have a well-defined nucleus along with other membrane-bound cell organelles. These organisms have a complex level of compartmentalization.
According to the context of this question, almost all eukaryotes have DNA in their nucleus. This is because it is considered its genetic material. So, options A and D are eliminated.
The cell membrane is the characteristic feature of every eukaryote because this membrane separates the inner environment of the cell from external conditions. So, option C is eliminated as well.
Therefore, the statement that represents a characteristic of many eukaryotes is that many eukaryotes have many cells. Thus, the correct option for this question is B.
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Glycolysis yields Choose... molecules of ATP, while the electron transport chain yields Choose.. molecules of ATP due to the presence of oxygen.
Answer:
Glycolysis yields 2 molecules of ATP, while the electron transport chain yields 32 molecules of ATP due to the presence of oxygen.
Explanation:
Glycolysis yields 2 molecules of ATP, while the electron transport chain yields 32 molecules of ATP due to the presence of oxygen.
What is electron transport chain?An electron transport chain is a collection of protein complexes and other molecules that associate protons across a membrane with the transfer of electrons from electron donors to electron acceptors via redox processes. Both photosynthesis and cellular respiration take place in mitochondria.
An organic metabolite (an intermediary in metabolic reactions) reacts with the coenzyme NAD+ to begin the electron transport cycle (nicotinamide adenine dinucleotide). In this oxidation reaction, the organic metabolite loses two hydrogen atoms (or two hydrogen ions and two electrons).
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how can you determine whether an organism is a plant or organism?
Answer:
an organism is multicellular, heterotrophic (cannot make its own energy), and has no cell wall, it is an animal. This is the definition of the kingdom Animalia.
There are unicellular animal-like members of the kingdom Protista commonly called protozoa.
Fungi are heterotrophic and multicellular, but they have a cell wall made of chitin.
Explanation: