Answer:
False, they cannot
HELP................
Answer:
Active Transport
Explanation:
what happens if the cell membrane does not pinch inward during telophase?
Answer:
It doesn’t pinch in for a plant cell because a plant cell has a cell wall. It grows a cell plate
I’m animals cells it should pinch in, but if it doesn’t, the cell can’t divide and you just end up with one cell containing 2 nuclei
the auditory ossicles transmit vibrations from the
Answer:
tympanic membrane across the middle ear.
Explanation:
The tympanic membrane across the middle ear to the oval window of the inner ear.
A student made a list of structures are observed in cells from two different organisms which statement describes the most likely difference in the way that organism one and organism two obtain energy
By keeping food cold, the growth of microorganisms is:
Answer:
they are called growth because you are training them
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What is Cost ???
Answer:
An amount that has to be paid or spent to buy or obtain something is called cost.
Answer:
brainliest me
Explanation:
thx for the points
What is the proper definition for abiotic?
Answer:
In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems
Explanation:
a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it: Abiotic factors can determine which species of organisms will survive in a given environment.
hope this helps you.
What are MAD (mitotic arrest deficient) proteins and when are they important in the cell cycle?
Answer:
The mitotic arrest deficient protein MAD2B (MAD2L2) is a member of a MAD family of proteins and shows 48% similarity to MAD2 (MAD2L1) [1], [2]. Both MAD2 and MAD2B can bind to the anaphase promoting complex or cyclosome (APC/C), which is a downstream target of the mitotic spindle checkpoint.MAD (mitotic arrest deficient) are proteins related to spindle cell cycle checkpoint and it is important since they prevent the segregation of sister chromatids until all have bound to the spindle.
The cell cycle ensures the duplication of the genome and its distribution in daughter cells by passing through a coordinated and regulated sequence of events.
A series of checkpoints guarantee the orderly progression of the phases of cell division and the correct distribution of the duplicated genetic material in the daughter cells.
The checkpoints during mitosis are:
At the end of stage G1 and before S.Before anaphase in mitosis.DNA damage checkpoints in G1, S or G2.The checkpoint before anaphase in mitosis guarantees the separation of chromosomes, and operates by activating the Mad2 protein that prevents the degradation of segurin, until the conditions are appropriate.
That is, the Mad2 protein prevents the segregation of sister chromatids until they have all bound to the spindle.
Therefore, we can conclude that MAD (mitotic arrest deficient) are proteins related to spindle cell cycle checkpoint and it is important since they prevent the segregation of sister chromatids until all have bound to the spindle.
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Cryptosporidium parvum (C. parvum) is a single-celled, eukaryotic parasite that infects human cells in the digestive system and causes illness.
a. True
b. False
The statement 'C. parvum is a single-celled, eukaryotic parasite that infects human cells in the digestive system and causes illness' is TRUE. This parasite causes diarrhea.
Cryptosporidium parvum (C. parvum) is a single-cell protozoan that may cause severe self-limited diarrhea in immunocompetent individuals.
Cryptosporidium parvum develops its complete life cycle in the human intestines (also it can be found in animal intestines).
This species (Cryptosporidium parvum) is one of the six (6) known species of Cryptosporidium.
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why is it important for gametes to be haploid jiskha
Answer:
its important for gametes to be haploid so when fusion of the Male and female gametes take place after fertilization the correct amount of chromosome numbers specific to the species can be restored
It is important for gametes to be haploid as just to maintain the chromosomal number. It is present for the sake of incorporation of both of the sets of chromosome in the progeny.
What is the number of chromosomes in humans ?It is having 23 pairs of chromosomes that is having total of 46 chromosomes.
Because meiosis just creates cells which are destined to be the gametes and in this reduction in the chromosome number is just critical that is without the process, the union of the two gametes that are during the fertilization that will result in the offspring with just twice of normal number of the chromosomes.
Haploid cells in the humans are just produced out by meiosis. This is type of the cell division in which the single diploid parent cell just divides to just produce four with the non-identical type of the haploid daughter cells. In meiosis is just used to get the type of the produced type of gametes and is are a necessary kind of precursor to the sexual reproduction.
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The genetic diversity of a rocky shore habitat declines precipitously as the climate warms, causing a decline in the number of species present. The decline of species along the rocky shore negatively affects the entire region, including bird populations and shallow offshore habitats. This scenario is best described as a change in the region's ______________________.
The scenario that is best described here is a change in the region's BIODIVERSITY. This measure (biodiversity) indicates the genetic/phenotypic variability found in a region.
Biodiversity refers to the genetic and phenotypic variability of the organisms found in a particular geographic region or the variety of life on the Earth's planet.
Biodiversity can be used to indicate the amount of variation at different levels (i.e., genetic, species, and ecosystem levels).
The different types of animals, plants and microorganisms that live in a forest represent an example of biodiversity.
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ANSWER FOR BRAINLIEST!!!
X-Ray are and example of electromagnetic radiation?
True or false
Answer:
True
Explanation:
Answer: true
Explanation:
The effect of pH on a certain enzyme is shown in the graph. At what pH would the enzyme be most effective?
Answer:
2
Explanation:
The enzyme will be the most effective between 8 and 10
The enzyme will show maximum activity in the range of pH between 8 and 10. This can be the enzyme's optimum pH as at this range it is found to be most effective. Thus, the correct option is 2.
What are enzymes?Enzymes are the biocatalysts. They act as enzymes in the biochemical reactions by reducing the activation energy required by the reactants to form products. Enzymes remain unused in a reaction.
Enzyme activity depends upon different factors which include temperature, pressure, pH, etc. Enzymes show maximum activity at the optimum conditions of these environmental factors.
From the given graph, it can be interpreted that the enzyme shows maximum rate of action between the pH range of 8 and 10. Thus, this is the optimum range of pH.
Therefore, the correct option is 2.
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which division of the ans is referred to as the rest and digest division?
why is mechanical digestion of food important?? please help I only need one reason marking brainliest btw
Answer:
it makes the food smaller
Explanation:
Mechanical digestion is a purely physical process that does not change the chemical nature of the food. Instead, it makes the food smaller to increase both surface area and mobility. It includes mastication, or chewing, as well as tongue movements that help break food into smaller bits and mix food with saliva.
The process of introducing a needed, normal gene, into human cells is called DNA mapping. True False
Answer:
true it is known as DNA mapping
in most sexually reproducing organisms, the diploid phase of the life cycle begins at
The diploid phase of the life cycle begins with the formation of the zygote.
Meiosis is referred to the type of cell division which occurs in the production
of male and female sex cells. This also occurs during sexual reproduction.
Parent cells provide male and sex cells such as sperm and egg which
contains DNA. They then fuse together to form a zygote which is the diploid
phase as a result of the fusion of two haploid cells. The zygote then
continues to undergo some meiotic processes which reduces it to back to a
haploid cell and consequent growth to form a fetus.
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if woman can not have children does that mean that she does not have all the property of life and is therefore not alive
What are the three general classes of neurons that correspond to the three major aspects of nervous system function
This is a short question if anyone would be able to help me please i really need the help!!!!
What is it i hope i can helps you:(
During meiosis, the cells that are created are used during
a. regeneration of new tissue
b. regeneration of worn out cells
c. fertilization
d. cytokinesis
e. more than 1 answer is correct
Answer:
C
Explanation:
because fertilization is the fusion of male gamete and female gamete that arises from meiosis
what are the consequences of either an incomplete or absent ""s"" stage of the cell cycle?
Answer:
If a cell has not properly copied its chromosomes or there is damage to the DNA, the CDK will not activate the S phase cyclin and the cell will not progress to the G2 phase. The cell will remain in S phase until the chromosomes are properly copied, or the cell will undergo programmed cell death.
Explanation:
The consequences of an incomplete/absent "S" stage in a cell cycle are ;
A programmed cell death The cell will not move to the G2 phase of the cell cycleThe absence or incomplete "s" stage of the cell cycle occurs when the a cell does not completely copy its chromosomes or when there is a significant damage to the genetic material ( DNA ) of the cell. when any of these abnormalities occurs the "s" phase stage of the cell cycle will not be activated until the cell chromosomes are correctly copied. Therefore the cell will not move to the G2 phase of the cell cycle
Hence we can conclude that The consequences of an incomplete/absent "S" stage in a cell cycle are ; A programmed cell death and The cell will not move to the G2 phase of the cell cycle
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During subduction oceanic crust is pushed down toward the mantle and _____.
algien conoce a yaninsoto y tiene esta foto de perfil xd
Answer:
no, pero es un show si es dime cual es el nombre del show
what is the space between the presynaptic and postsynaptic membranes?
Answer:
The synapse at the neuromuscular junction has three characteristic features of chemical synapses in the nervous system. First, there is a distinct separation between the presynaptic and the postsynaptic membrane. The space between the two is known as the synaptic cleft.
Explanation:
Secondary nucleus is
a) Haploid
b)Diploid
c) Triploid
d) Tetraploid
The correct answer is option B. Diploid
The secondary nucleus is formed by the fusion of two polar nuclei which is a diploid.
what unwinds DNA molecule
Answer:
DNA helicases unwind DNA during DNA replication
Explanation:
Hope this helps!
What is an example of a microorganism acting in a harmful way? Question 6 options: Bacteria infecting a cut. Bacteria aiding in digestion. Bacteria used to create yogurt. Fungi decomposing waste in a septic tank.
Answer:
I would say A but im not sure
Explanation:
Answer:
bacteria aiding in digestion
The force the Earth exerts on the sun is equal in magnitude to the
force the sun exerts on the Earth.
O True
o False
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The given statement is true, because according to Newton's third law of motion ~ " Every action has an equal and opposite reaction " .