Answer:
Photosynthesis is the process that removes carbon dioxide from the Earth's atmosphere.
Explanation:
One way CO2 is naturally removed from the atmosphere is photosynthesis. Details about photosynthesis is given below.
What is photosynthesis?Photosynthesis is the process by which green plants obtain their nutrition using sunlight as an energy source.
Photosynthesis combines carbon dioxide and water in the chloroplast of plant cells to synthesize glucose molecules.
The atmospheric carbon dioxide gets into the plant via the stomata on the leaves.
Therefore, One way CO2 is naturally removed from the atmosphere is photosynthesis.
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Moving from the equator towards the poles allows you to cross through different ecosystems, which can also occur if?
A. You stay in one place through all 4 seasons
B. You use submarine
C. You cross from the western to eastern hemisphere
D. You climb a mountain
Answer:
C. You cross from the western to eastern hemisphere
Explanation:
I believe this is the most reasonable answer but the question is a little confusing. If it is asking how to travel through different ecosystems then C is the most reasonable as A would only change the temperature and sometimes change the weather. B would keep you underwater all the time and you can't really switch ecosystems unless you got out. D, your staying in one ecosystem when climbing a mountain.
Hope this helps :)
HELP PLEASE!!!!
An organic molecule that acts as the main energy source for cell processes. It is a carbohydrate and a product of photosynthesis.
a.oxygen
b. hydrogen ion
c. chlorophyll
d. glucose
Answer:
d
Explanation:
glucose is the only carbohydrate out of of all the optionsglucose is the main energy source for cell respirationglucose is the product of photosynthesis, O2 is the byproduct of photosynthesiswhat is mutation? why are mutations more serious when they occur in a sex cell?
Answer:
A mutation is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. Mutations in sex cells are more serious because they are heritable and affect the next generation.
Explanation:
Suppose a study is being conducted to understand the potential heritability of artistic ability. Specifically, the study wants to recruit pairs of monozygotic and dizygotic twins raised in the same or in different environments. For each scenario, what is the theoretical genetic variance and environmental variance?
1. Monozygotic in the same environment
2. Monozygotic in a different environment
3. Dizygotic in the same environment
4. Dizygotic in a different environment
Answer Bank
0% genetic variance, 100% environmental variance
0% genetic variance, 0% environmental variance
50% genetic variance, 100% environmental variance
50% genetic variance, 0% environmental variance
Using the data collected from the study, what equation could be used to estimate the degree of phenotypic variability of artistic ability that is due to genetic factors?
H² = 2(rmz-rpz), where H² is broad-sense heritability
h2 VA/VP, where h’ is narrow-sense heritability
h2 = 2b, where ha is narrow-sense heritability
Vp = VA + VD + V1 + VE + VGE, where Vp is phenotypic variance
Answer:
Explanation:
Monozygotic in the same environment
Genetic Variance will be zero and the environmental variance will be zero this is because a monozygotic twin shares the same gene 100% and because they stay in the same environment they are equally exposed to the same thing this makes environmental variance Zero.
Monozygotic in a different environment
Monozygotic in different environment will have an environmental variance 100% this is because they are expose to different environment leading to variation in what they know and 0% genetic variance
Dizygotic in the same environment
They have 0% environmental variation and 50% genetic variation this is because they are fraternal twins and not 100% genetically only 50% of their traits are identical
Dizygotic in a different environment
They will have 100% environmental variance because they are raised in different envrionment leading to variation in idea and what they know and 50% genetic variance because Dizygotic twin are not genetically identical.
The formula to calculate phenotypic variance due to genetic variation is
Hb2 = 2(rmz - rdz) this is in accordance to falconer's formula for twin heritability and its estimatebroad sense heritage.
Where hb2 is broad sense heritability
Genetic and environmental variance determine the phenotypic variability among individuals. 1) b / 2) a / 3) d / 4) c. The equation h² = VA/VP could be used to estimate the degree of phenotypic variability due to genetic factors.
------------------------
1. Monozygotic in the same environment ⇒ 0% genetic variance, 0% environmental variance
Monozygotic twins have no genotypic variation, they share the genotypic charge, meaning there is no difference between them.
Since they grow in the exact same environment, they are exposed to the same factors and, hence, they express no difference.
2. Monozygotic in a different environment ⇒ 0% genetic variance, 100% environmental variance
Monozygotic twins have no genotypic variation, they share the genotypic charge, meaning there is no difference between them.
However, since they were exposed to different environmental factors, they express differences that are due to external elements or conditions.
3. Dizygotic in the same environment ⇒ 50% genetic variance, 0% environmental variance
Part of the genetic charge might be different because they developed from different eggs. They are not identical twins, so they express genotypic variation.
Environmental factors do not play a significant role because twins were equally exposed to the same conditions, so there is no varying environmental influence.
4. Dizygotic in a different environment ⇒ 50% genetic variance, 100% environmental variance
Part of the genetic charge might be different because they developed from different eggs. They are not identical twins, so they express genotypic variation.
Besides, as twins grew in different environments, which means they also express phenotypic differences that are due to external elements or conditions.
Heritability in the narrow sense -h²- refers to the proportion of the phenotypic variability that is influenced by genetic factors.
Heritability in the narrow sense is the measure of the genetic component to which additive genetic variance contributes.
The heritability might be used to determine how the population will respond to the selection done.
The equation that could be used to estimate the degree of phenotypic variability of artistic ability that is due to genetic factors is
h² = VA/VP ⇒ where h’ is narrow-sense heritability
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Suzanne drew a diagram to compare the functions of roots and leaves. Which characteristic belongs in the area marked Y?
- anchors plant
- stores food
- absorbs minerals
- produces glucose
Answer: absorbs minerals
Explanation:
Answer:
the dude above is right
Explanation:
What major factors play a role in global warming?
Answer:
1. Carbon dioxide levels in the Earth's atmosphere have been steadily increasing.
Explanation:
Describe the structure of the cell membrane.
Answer:
The plasma membrane is composed of a bilayer of phospholipids, with their hydrophobic, fatty acid tails in contact with each other. ... Carbohydrates are attached to some of the proteins and lipids on the outward-facing surface of the membrane. These form complexes that function to identify the cell to other cells.
Explanation:
1. The mechanism of breathing – how do inhalation and exhalation actually occur.
When the air pressure within the alveolar spaces falls below atmospheric pressure, air enters the lungs (inspiration), provided the larynx is open; when the air pressure within the alveoli exceeds atmospheric pressure, air is blown from the lungs (expiration).
What a person _____ become is determined by genetics, but what he or she _____ become often depends on the environment.
can; might
will not; will
can; does
does; can
A plant reproduces by making sperm through mitosis, and the plant is haploid. It is?
A. A saprophyte
B. A gametophyte
C. A sporophyte
D. A neophyte
Answer:
the answer would just have to be c
Which system is responsible for the force that moves blood throughout body?
Answer:
circulatory system
Explanation:
Most of the cells in your body are ______ cells.
somatic
haploid
germ
gamete
Answer:
somatic
Explanation:
because it means body cells :)
compare and contrast prokaryotic vs eukaryotic
Answer:
prokararyotic: organisms whose cells lack a nucleus and other organelles
two distinct groups: the bacteria and the archaea
eukaryotic: organisms whose cells contain a nucleus and other membrane-bound organelles
animals, plants, fungi, and protists, as well as most algae
single cell or multicellular
eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead
Explanation:
Answer:
Prokaryotic cells lack a nucleus and are usually bacterial while eukaryotic cells have a nucleus, and chromosomes. On the other hand, prokaryotes have chromosomes but they are different, so they do not classify as chromosomes.
Hope this helps, leave a thanks if it did and have a good day!
Determine whether each statement describes relative age or absolute age.
This is the correct answer
Answer:
Thank You!!
Explanation:
-1- Lipids cannot be considered polymers because
Answer:
Lipids cannot be considered polymers because, unlike carbohydrates, they are constituted of several units that are different.
Explanation:
Unlike other biomolecules —such as carbohydrates, proteins and nucleic acids— lipids are not considered polymers because the subunits that form them are different, in addition to being made up of a larger molecule, from which they can grow.
Polymers are formed by repeating subunits, having the possibility of forming and growing at either end of their chain. Polymerization is a characteristic shared by carbohydrates, proteins and nucleic acids, but not by lipids.
Lipids are biomolecules of hydrophobic nature formed predominantly by carbon and hydrogen, whose structure can be linear or forming rings. They have biological importance as they are the main component of cell membranes, reserve energy substrate and form molecules such as hormones.
Question 18 of 25
What always forms when a chemical reaction occurs?
A. Molecules of water and a lot of energy
OB. A substance that is different from the reactants
OC. A substance that cannot be broken down any further
OD. Atoms of an element not found in the reactants
Which of the following is true of active transport?
A In active transport, the cell does not have to do any work as nature moves the materials across the cell membrane.
B The energy used by the cell is in the form of the ADP molecule
C In active transport, the cell must push or pump the molecules from areas of high concentration to areas of low concentration.
D Molecules called pumps function to control active transport.
Answer:
D. Molecules called pumps function to control active transport.
Explanation:
Active transport is one of the two types of transport (the other being passive transport). It is the type of transport in which substances move against their concentration gradient i.e. from a lower concentration to a higher concentration. Hence, due to this, energy input in form of ATP is required by the cell.
However, the process of active transport makes use of certain molecules called PUMPS to control it. The pumps moves ions/molecules against their concentration gradient. An example is the sodium-pottasium pump which moves sodium ions from a region of low conc. to a region of high conc.
Which main tissue type is shown in the picture?
connective
muscle
nervous
epithelial
Answer:
muscle
Explanation:
i think its muscle.
Which of the following statements supports the idea from the Cell Theory?
A. An E. coll cell divides in half, forming two new cells..
C. A paramedum breaks down organic matter to live.
D. Unicellular bacteria respond to stimulus.
E. Yeast are living organisms that metabolize sugar.
The correct answer among the given statements is option A. An E.coli cell divides into two new cells, according to the cell theory.
Theodor Schwann introduced the traditional cell hypothesis/cell theory in 1839. This theory has three components. Cells make up all living things, according to the first section. Cells are the essential building blocks of life, according to the second section. The third section states that cells are descended from earlier, already existent cells that have proliferated. One of the fundamental ideas in biology is the concept of the cell/cell theory. A suggested and commonly recognized hypothesis of how the majority life on Earth operates is called the cell theory. There are following tenets of the Cell hypothesis.
1) Cells make up all living things.
2) Other living cells make all of the current cells.
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Does the price change if you “bundle”
your insurance?
Answer:
yeah it does i think
One coastal cholla cactus can house the nest of the cactus wren containing two adults and up to five young and provide food for their life time. Six cholla cactus are counted in a study area. What is the maximum carrying capcity of wrens in the study area?
Question 4 options:
42
12
7
1
The maximum carrying capcity of wrens in the study area is 42 wrens.
So, the correct option is 42.
A species of wren unique to the deserts of the southwestern United States and northern and central Mexico is the cactus wren. Its brown feathers are marked with black and white dots. It has a recognisable white eyebrow that extends all the way down to the nape of the neck.Arizona's state bird is a cactus wren. Due to its upward-pointing tail and darting flight, the wren is easily identified. Due to its small size and brown colouring, the wren is a challenging bird to identify. They are naturally reserved and shy. The best approach to locate one is to pay attention to its obnoxious melodic trills and chastising clicks.To learn more about cactus wren.
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blood type B
multiple choice
can donate to AB and B
has anti-B antibodies
has anti-A antibodies
can't have blood type A transfusion
Answer:
Has anti-A antibodies
Explanation:
This is because the liquid, a part of your blood while not cells (serum) is mixed with blood that's defined to be blood type and type B. individuals with type A blood have anti-B antibodies. people with type B blood have anti-A antibodies.
Hope it helps!
What is the difference between sickle-
cell amino acid sequence and normal amino
acid sequence?
There is a single cell substitution in the 4th amino acid in the sequence. glutamic acid is replaced by valine in the sickle cell sequence
1) Propose an idea for an organic Asian or Hispanic food offering...
Organic Asian or Hispanic food that could be could be offered at the international section or aisle of a grocery store could be condiments, sauces, dry and packaged noodles, etc.
Condiments: Asians are known for their condiments that are flavor-bombs and pair really well with the main course.Sauces/ Curry pastes/ spices: They're authentic to the lands of Asia and offer that organic touch to the food that Asians look for in a foreign land. They elevate the taste of the dishes they're added to. Examples of condiments and sauces include soy, teriyaki, siracha, gochujang, chili sauce, fish sauce, oyster sauce etc.Spices like galangal, kaffir lime, lemongrass, turmeric, ginger etc. Dry and packaged noodles: What is Asian cuisine without it's noodles? Glass noodles, rice noodles, vermicelli noodles etc. Moreover, Asian ramen has a far superior taste than any other.Hence, the examples mentioned above can be a good addition to the grocery store offering Asian food supplies.
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When a hawk eats a mouse and then uses the energy from the mouse to fly,
the hawk's body converts to what
Answer:
It would be Chemical to mechanical
Explanation:
Because food is a chemical source and the hawk flying is a mechanical source.
When a hawk eats a mouse and then uses the energy from the mouse to fly in this case chemical energy is converted to mechanical energy.
What is food chain?Food chain is the sequence of flow of energy in which all the levels get proper food supply and it is the food web which starts from producer and ending at top such as predator species, decomposer and detritivores.
In food chain plants play the role of producers as they are autotrophs and they prepare their own food in the presence of sunlight and all other organisms depend upon plant for food so they are known as producers in the food chain.
The main role of food chain is to understand the importance of each organisms and how they are depend on each other as well as to understand the role of food chain in maintaining ecological balance.
Therefore, When a hawk eats a mouse and then uses the energy from the mouse to fly in this case chemical energy is converted to mechanical energy.
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What is a hypothesis?
O A. The technology used in an experiment
OB. The way an experiment is performed
O C. A conclusion that you make about an exper
O D. An educated guess of the answer to a ques
The production of egg and sperm cells is necessary for sexual reproduction because —
A.it increases the number of chromosomes so that the gametes can combine, giving the organism a complete set of chromosomes
B.it reduces the number of chromosomes so the gametes can combine, giving the organism a complete set of chromosomes
C.it increases the number of developing offspring
D.it decreases the number of developing offspring
Answer:A.it increases the number of chromosomes so that the gametes can combine, giving the organism a complete set of chromosomes
Explanation:
Take the class last year
When there is the egg production so it increase the no of chromosomes where the gametes should combined.
What are chromosomes?A chromosome refer to the long DNA molecule where it contain the genetic material with respect to the organism.
Mainly eukaryotic chromosomes involved the packaging proteins that we called as the histones that should be aided by the chaperone proteins.
Therefore, we can conclude that the correct option is a.
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NEED HELP ASAP WILL GIVE BRAINLIST
mRNA sequence is mutated from CCC GGG to CCG GGG. What type of mutation occurred? Select all that apply.
point mutation
silent mutation
indel
insertion
deletion
missense
nonsense mutation
Answer:
point mutation and silent mutation
Explanation:
the third cytosine is mutated to guanine => point mutationCCC codes for proline and so does CCGmRNA sequence is mutated from CCC GGG to CCG GGG as it is the point mutation and silent mutation and the third cytosine is mutated to guanine => point mutation CCC codes for proline and so does CCG it has been observed in the medicines too.
What is Regenerative medicine?Regenerative medicine has focused on growing specialized tissues for spinal cord injuries, diabetes, cancer, multiple sclerosis, Parkinson’s disease, and many other currently un thought-of applications.
Regenerative medicine has been defined as the branch of translational research in tissue engineering and molecular biology that deals with replacing, engineering or replace human or animal cells, tissues or organs to restore normal functioning. It also develops method to regrow, repair or replace damaged or diseased cells, organs or tissues.
Therefore, mRNA sequence is mutated from CCC GGG to CCG GGG as it is the point mutation and silent mutation and the third cytosine is mutated to guanine => point mutation CCC codes for proline and so does CCG it has been observed in the medicines too.
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Mad cow disease is caused by deformed proteins called prions. The disease is spread when meat from an infected cow is eaten. Prions can cause normal proteins to become deformed, producing more prions. After a few years, the brain of an infected person or cow looks like a sponge full of holes. Are prions considered organisms?
Group of answer choices
Yes, because they can cause disease
No, because they can’t make their own food
No, because they are not made of cells
Yes, because they can make more of themselves
Answer:
D - Yes, because they can make more of themselves
Explanation:
A simple search online told me that they were organisms.