Answer:
the control center of the cell.
what is the difference between artificial kidney and natural kidneys?
What is the term for a preserved footprint left behind by an animal?
O A. Embryo
O B. Code
O C. Fossil
O D. Isotope
Answer:
A fossil.
It would be C
PLS HELP -
Drag the tiles to the correct boxes to complete the pairs.
Match the pollution control method to its description
Answer:
Incineration: Solid pollutants are burned...
Settling: Polluted water is aloud to stand still...
Composting: Microbes are used to convert...
Gas adsorption: Pollutants are captured through contact with hard...
Explanation:
Amazing nowone else got to your question. Your welcome.
¿Cuál de los siguientes niveles es el sucesor del nivel tejido?
A.
Órgano.
B.
Sistema.
C.
Organismo.
D.
Célula.
C. Órgano
Porque Célula→Tejido→Órgano→Sistema→Organismo
describe the primary differences between plant and
animal cells. Be sure to include a discussion of the various organelles specific
to each cell and how they differ between plant and animal cells
Explanation:
plant cells have cell membrane and cell wall while animal cells only have the cell membrane missing the cell wall
the junction between two neurones is called a ____________
what one word completes the sentence
Answer:
The junction between two neurons is called a Synapse.
How does the natural process of meiosis support evolution?
A. Each daughter cell mutates its own DNA during Reduction Division to produce more variation.
B. Each daughter cell is unique, providing natural variation.
C. Each daughter cell is identical, providing natural variation.
D. It does not support evolution.
During meiosis, each daughter cell tends to undergo mutation of its own DNA and leads to more variation. The correct option is A.
What is meiosis?Meiosis is a sort of cell division that occurs in organisms which reproduce the fusion of gametes and results in a diminution in the number of chromosomes in gametes. Body cells in humans are diploid, with two sets of chromosomes.
Meiosis is a process of cell division that produces 4 gamete cells while reducing the number of chromosomes in the parent cell by half.
This process is essential for the generation of egg and sperm cells for reproduction.
Meiosis reduces the number of chromosomes in a cell by half while also generating new allele pairings that are dispersed across daughter cells via segregation and recombination.
This genetic reshuffling, which is thought to be the basis of reproduction success, reduces genetic affiliations within and between loci.
Thus, the correct option is A.
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During production of a drug, all work area surfaces must be disinfected using sterilized disinfectants. Which of the following statements about disinfectants are true? Select all that apply. View Available Hint(s)for Part A Disinfectants destroy all microbes present on a surface. Disinfection can be used to treat work surfaces as well as workers (i.e., washing hands). Disinfection can occur by physical or chemical means. Disinfectants are used to inhibit or destroy pathogens. Endospores and viruses can resist disinfectant treatment.
Answer: The correct options are
--> Disinfectants are used to inhibit or destroy pathogens,
--> Disinfection can occur by physical or chemical means,
--> Endospores and viruses can resist disinfectant treatment.
Explanation:
To prevent infectious diseases from spreading or to sterilise work area surfaces during the production of drugs, chemicals known as disinfectants as used. These are chemicals that kill or inhibit the growth of pathogens. Other chemicals such as antiseptics can also kill and prevent the growth of mainly pathogenic microorganisms. However, disinfectants are stronger chemicals than antiseptics and so are often used on non-living things and surfaces.
Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores (endospores) and viruses, so it is less effective than sterilisation.
There are generally two methods of disinfection:
--> The chemical method: A typical example of a chemical disinfectant is the carbolic acid. It is used for disinfecting lavatories and floors.
--> The physical method: here, physical agents are use to disrupt and damage the pathogenic organisms on work surfaces. Some typical example include: UV irradiation, heat, sunlight exposure, sonic or hydrodynamic pressure and radiation.
Which of the following particles has a negative charge?
A. Electron
B. Nucleus
C. Proton
D. Neutron
........ provides genetic continuity from generation to generation.
a) sexual reproduction
b) fusion of gametes
c) asexual reproduction
d) meiosis
Answer:
d) meiosisExplanation:
The process of meiosis preserves genetic continuity for future offspring by ensuring that two sexually reproducing organisms produce offspring that have the same number of chromosomes as the parents.
It ensures that the offspring will be able to mate with other organisms of the same species.
magine that a scientist takes a group of Anolis lizards and introduces them into an enclosure at a research facility in continental South America. He notes that the lizards thrive in this new environment. The fact that Anolis lizards could survive in habitats outside of the Caribbean is a reflection of their ____ niche; their _____ niche is determined by their ability to disperse to other areas as well as predation and resource availability.
Answer: Fundamental, realized
Explanation:
The realized niche of a species is usually the result of predation, competition, and other types of interaction between species.
The size of realized niche is determined by interspecific competition .The fundamental niche is larger than the realized niche.
The fundamental niche represents all the habitats where a species could possibly live, but competition among different species usually restricts a species to a smaller area, which is the realized niche
how is erythrocytes an advantage in exchanging and carrying
Answer:
Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.
What is produced in abundance by pioneer species?
a) plants
b) cones
c) seeds
d) wet habitats
Answer:
A (plants)
Explanation:
Pioneer species usually create plant litter and break them down as leaf mold after a while which would make new soil for secondary succession and nutrients for small fish an aquatic plants < most of that came from Gogle because if it came from my head it would've been hard to understand lol
During which phase of mitosis do the chromatids line up in the center of the cell?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Answer:
B) Metaphase
Explanation:
Have a nice day xd ♡
anyone help me please
Answer:
The human body is controlled by a network of living wires called the nervous system.
¿Como se llama ?
1.- Embrión se desarrolla dentro del sistema reproductor femenino.
2.- Formación de un organismo a partir de huevos
Answer:
1. Vivíparo
2. Ooviparismo
Explanation:
Viviparismo se define como el proceso de desarrollo de un animal en el cual el embrión crece dentro dentro del sistema reproductor femenino en una estructura acorde que le permite obtener alimento y oxígeno hasta su nacimiento. El viviparismo placentario es el tipo de desarrollo más extendido entre mamíferos (por ejemplo, perros, caballos, gatos, conejos, etc), a excepción de mamíferos que son ovíparos (por ejemplo, el ornitorrinco) y los mamíferos marsupiales que no poseen placenta y donde feto se desarrolla en una bolsa externa llamada marsupio (por ejemplo, los canguros). Por otra parte, el oviparismo es un mecanismo de desarrollo en el cual el embrión crece dentro de un huevo desde el momento que la hembra lo expulsa hacia el exterior. Cuando se produce este suceso, los embriones se encuentran muy poco desarrollados y por lo tanto deben cumplir su ciclo de crecimiento (hasta eclosionar del huevo) fuera del vientre materno. Algunos ejemplos de animales ovíparos incluyen anfibios, reptiles, aves, insectos, etc.
The chemical energy stored in ATP during photosynthesis is released during the dark phase to
a) produce O2
b) produce CO 2
c) release energy for the "light"
d) produce a carbohydrate from CO 2
Answer:
A) produce O2
Explanation:
This is the exchange cycle between the plants and animals. Animals give off carbon dioxide (CO2) as an excess waste while the plants give off oxygen (O2).
How do you change ADP to ATP?
A. Add a phosphate group
B. Remove a phosphate group
C. Add an amino group
D. Remove an amino group
PLEASE HELP PLEASE!!!! DOES ANYONE SOMEONE NAMED HIROJABAMI!?!?!? PLEASE HELP!!!!.....
Answer:
well I dnt know
btw thanks for ur points I really needed that.
The actual pair of alleles present in the cells of an individual is known as the:
genotype.
karyotype.
phenotype.
archetype.
WHAT DO U MEAN BY HYBRIDS!
Answer:
I don't know what I mean by hybrids
Explanation:
Answ:
Como híbrido podemos designar a todo aquel individuo que es producto del cruce de dos organismos de distinta especie. Así, en biología, un híbrido puede ser un animal o un vegetal que es resultado del cruce de dos progenitores de distinta especie que, sin embargo, pueden producir progenie.
Explanation:
What compound is a hydrocarbon?
Answer:
A hydrocarbon is an organic chemical compound composed exclusively of hydrogen and carbon atoms.
A moleclue of mRNA with the sequence GGUCAUCACAU experienced a point mutation that caused the sequence to become GGUUAUACAUAU. which of the following terms describes this type of mutation?
Answer:
it's called a genetic mutation
A cell membrane is bigger a specific about what allows across how does this help the cell
Answer: It helps the cell absorb as many different molecules as possible.
Explanation: the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Question 13(Multiple Choice Worth 5 points) (04.01 LC) Based on the way living things are organized, what level combines to form tissues?
A.Cells
B. Molecules
C.Organs
D. Organ systems
Answer:
A
Explanation:
Because a cell is the smallest unit of life
which of the folowing best decribes the shape of a DNA moleclue?
Answer:
The answer is letter A, "Two strands of nucleotides bonded together at their bases, twisting to form a double helix." When it comes to RNA, a single helix will form.
What conditions need to be present for an atom to form hydrogen bonds?
For an atom to form hydrogen bonds, it needs to be bonded to a highly electronegative atom (such as nitrogen, oxygen, or fluorine) and have a hydrogen atom attached to it.
Hydrogen bonds are intermolecular forces that occur between a hydrogen atom bonded to a highly electronegative atom and another electronegative atom nearby. The highly electronegative atom, often nitrogen (N), oxygen (O), or fluorine (F), attracts the shared electrons in the covalent bond towards itself, creating a partial negative charge. This leaves the hydrogen atom with a partial positive charge.
The conditions necessary for hydrogen bonding to occur are:
Presence of a Hydrogen Atom: There must be a hydrogen atom (H) bonded to an electronegative atom (N, O, or F) in the molecule or adjacent molecules.Highly Electronegative Atom: The electronegative atom (N, O, or F) must have a strong attraction for electrons, creating a significant partial negative charge.Close Proximity: The electronegative atom with the partial negative charge must be close enough to another electronegative atom in another molecule or nearby region to allow for electrostatic attraction.These conditions are essential for the formation of hydrogen bonds. The hydrogen bond itself is a relatively weak force compared to covalent or ionic bonds, but it is significant in biological systems and plays a crucial role in many biological processes. Hydrogen bonding contributes to the unique properties of water, the stability of protein structures, the binding of DNA strands, and various other molecular interactions.
In summary, for an atom to form hydrogen bonds, it must be bonded to a highly electronegative atom (N, O, or F) and have a hydrogen atom attached to it, with another electronegative atom in close proximity to allow for the formation of electrostatic interactions.
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Question 1 of 10
Which statement is true about nitrogen and oxygen?
A They make up about 99.9% of the human body
B. They both contain no subatomic particles
O
They are both made of protons neutrons and electrons.
o
They are both used to make water molecules.
SUBMIT
what is photosynthesis
and precipitating??
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activitie
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzling, rain, sleet, snow, ice pellets, graupel and hail.
Explanation:
I hope this answers is helpful to you
__Igneous rocks form below Earths surface
Answer:
intrusive igneous rocks
