define cell and atom.....​

Answers

Answer 1

Answer:

cells are the basic building blocks of all organisms , whether living or dead.

atoms are the basic building blocks of matter(non-living things) . every item , for eg, chair, book, toothbrush are made of atoms?


Related Questions

6. The thin delicate membrane just attached to the cytoplasm is: [MOE 2061] (a) Ectoplasm (b) Endoplasm (c) Tonoplast (d) Protoplasm​

Answers

Answer:

cell membrane

Explanation:

The answer is, cell membrane.

What is the thin and delicate membrane around the cell?Cellular membrane A delicate, thin membrane known as the cell membrane surrounds every cell. Lipids and proteins make up its composition. It is composed structurally of protein layers on either side of bimolecular phospholipid layers.

What is cytoplasm and Endoplasm?In general, endoplasm refers to the inner, thick (often granular) portion of the cytoplasm of a cell. The ectoplasm, which is the outer (non-granulated) layer of the cytoplasm and is ordinarily watery and located next to the plasma membrane, is in contrast to this.

What is endoplasm and its function?Large and active, the endoplasmic reticulum (ER) plays a variety of functions in the cell, including calcium storage, protein synthesis, and lipid metabolism. Different domains, which are composed of tubules, sheets, and the nuclear envelope, carry out the various ER activities.

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In a test cross, a pure-breeding plant is crossed with a plant suspected to be heterozygous (Aa). What is the genotype of the pure-breeding plant?

Answers

Answer:

aa

Explanation:

In genetics, a test cross is a cross performed to determine the unknown genotype of a phenotypically dominant organism. The test cross is done by crossing the unknown genotype with a homzygous recessive organism. The result of this cross tell us whether the unknown genotype is heterozygous or homzygous dominant.

According to this question, a test cross was conducted involving a pure breeding plant with a plant suspected to be heterozygous (Aa). Based on the explanation of a test cross above, the genotype of the pure-breeding plant will be "aa". Note; it must be recessive.

Explain how animals may have influenced the evolution of terrestrial plants and vice versa​

Answers

Answer:

Microsporangium give microspores by meiosis.

Microsporangium give microspores by meiosis each microspores forms a pollen grain Pollen wall is secreted by surrounding sporophytes tissue Enclosed male gametophyte produces sperm by mitosis.

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how myelinated and nonmyelinated neurons differentiated?

Answers

Answer:

The main difference between these two types of neurons is the speed of conduction of impulse. ... Majority of the neurons in the central and peripheral nervous system are myelinated since they require fast conduction speeds. A neuron with unmyelinated axon has a comparatively lower speed of conduction of the nerve signals.

Explanation:

some one who claims to posses knowledge of something and has a commitment to a particular code is called
A profession
B profesionalism
C profesional
Dprofessor​

Answers

Answer:

The answer is A. Profession

is it possible that after the first meeting of male and female through sexual inter course
the female become pregnant after the sex??​

Answers

Answer:

Yes, it is possible because, if the sperm from the male goes into the egg of the female it can cause the female to get pregnant by that male. And its very rare for the female not to get pregnant after having inter course with the male. That's only if they had unprotected sex.

I hope this helps you!

XoXo Mashayla

Explanation:

In pointers dogs, the Punnett square for tail length is below (gene A). Use the Punnett Square below to determine the possible offspring from a cross between two heterozygotes.
F1
A1 A2
A1 A1 A1 A1 A2
Never born Bow-tie tails
A2 A1 A2 A2 A2
Bow-tie tails Long tails
a. In terms of tail length what kind of inheritance does this gene show?
b. In terms of survival what kind of inheritance does this gene show?

Answers

Answer:

a) Autosomal dominant inheritance ⇒ The presence of at least one A1 allele is enough to express Bow-tie tails.

b) Autosomal recessive inheritance ⇒ The presence of at least one recessive allele A2 is enough for individuals to survive.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Many of the phenotypes of DiGeorge syndrome have been traced back to one of the genes that is in the deleted region, TBX1. Some of the evidence for the important role of TBX1 in DiGeorge syndrome came from individuals who have some of the symptoms of DiGeorge syndrome without having the typical deletion. Closer examination showed that some of these individuals had SNV in the TBX1 gene. Which of the following SNVS would be most likely to create a similar phenotype to the deletion?
A. A variant in the promoter region of TBX1 that increases its expression
B. A variant in the intronic region of TBX1 that does not affect splicing. X
C. A nonsense variant near the 5' end of the TBX1 gene.
D. A silent variant near the 5' end of the TBX1 gene.

Answers

Answer:

D. A silent variant near the 5' end of the TBX1 gene.

Explanation:

TBX1 gene is wild type human being. It gives instructions for making protein called T-box 1. It plays an important role in tissue formation and organs during embryonic development.

ons
Question:
how high or low is the blood pressure
and does it change over time when
someone drinks coffee ?
Quantitative data:
blood pressure readings
me.
Qualitative data:
person's
5.
nswer?

Answers

Answer:

when people give you the answer plz check me

Answer:

How does caffeine affect blood pressure?

Caffeine may cause a short, but dramatic increase in your blood pressure, even if you don't have high blood pressure. It's unclear what causes this spike in blood pressure. The blood pressure response to caffeine differs from person to person.

Some researchers believe that caffeine could block a hormone that helps keep your arteries widened. Others think that caffeine causes your adrenal glands to release more adrenaline, which causes your blood pressure to increase.



1. Explain the relationship between the terms species and organism.

Answers

Answer:

Organism: An individual living thing

Species: A group of any given organism; a group of many individual living things

A species is defined as the group of organisms in which individuals can reproduce their progeny.

What is Species?

A species is defined as the basic unit of classification. This is also taxonomic rank of an organism, as well as a unit of biodiversity.  These are the group of organisms which can reproduce with one another in nature and produce fertile offspring.

Species can be divided further on the basis of concept like

1. Typological or Essentialist Species Concept

2. Nominalistic Species Concept

3. Biological Species Concept

4. Evolutionary Species Concept

The species designation which originated in taxonomy, where the species is the basic unit of taxonomy is recognized by the International Commission on Zoological Nomenclature. Every species is have a standard two-part name of genus and species.

Thus, a species is defined as the group of organisms in which individuals can reproduce their progeny.

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One of the livers main functions is to detoxify potentially toxic substances. Which organelle would you expect liver cells to have in abundance?

Answers

liver contain abundance of smooth endoplasmic reticulum

Sickle cell anemia in the United States disproportionately affects African Americans; 1 in 700 African Americans are affected by sickle cell anemia, while only 1 in 160,000 Americans of European descent are affected. The absolute risk of a newborn African American child having sickle cell anemia is ____________%, and the relative risk compared to a newborn European American child is ____________-fold

Answers

Answer:

0.0014; 0.0044

Explanation:

The absolute risk (AR) of a disease refers to the risk of developing the disease over a given time period. In this case, the absolute risk of the newborn African American child having sickle cell anemia is equal to 1 individual with the disease over 700 individuals >> AR = 1 / 700 = 0.0014. Moreover, the Relative Risk (RR) is calculated by comparing the likelihood of the absolute risk occurring between two distinct groups. In this case, the relative risk for the newborn African American having sickle cell anemia compared to a newborn European American child can be calculated by dividing the absolute risk of the newborn European American child with the measured absolute risk of the newborn African American child >> RR = 0.0000625 / 0.0014  = 0.0044.

why do the Philippines have generally warm temperature throughout the year?a. it is near the sun b.it has many volcanoes c. it lies near the equator d. it has many islands.what is the correct answer?​

Answers

Answer:

C. it lies near the equator

C. It lies near the equator

Recent discoveries in a cave at Pinnacle Point, South Africa, suggest that humans had achieved behavioral modernity as early as 164,000 B.P. All of the following were found at this site EXCEPT evidence of:_______
a. a diet that included shellfish and other marine resources.
b. the very early use of pigment, likely for symbolic behavior.
c. animal butchery for the first time.
d. bladelet stone-tool technology, previously dating to 70,000 years ago.
e. the human capacity to exploit coastal environments.

Answers

Answer: C. Animal butchery for the first time

Explanation: The discoveries in the cave suggest that humans were harvesting food from the sea (including shellfish and other marine resourses), the use of complex small stone tools and using red pigments in symbolic behavior 164,000 years ago.

A paleoanthropologist (with the Institute of Human Origins at Arizona State University); Curtis Marean, who was the Lead of the research team expressed the aforementioned discoveries while presenting their reports on the research.

He further indicate that these discoveries translates that humans must have been living along this coastal environment at that early time while exploiting it resourses.

in order for polar compounds to enter into the hydrophobic space of phospholipid tails, it would need to break the many ___ bonds

Answers

Answer:

In order for polar compounds to enter into the hydrophobic space of phospholipid tails, it would need to break the many hydrogen bonds

Explanation:

In the presence of water, the hydrophobic tails tend to interact with each other, creating a hydrophobic space from which water is excluded and in which other hydrophobic molecules can be trapped, while the polar head interacts with water, and is solvated, preserving the hydrophobic part from all contact with water. For a hydrogen bridge to form, a molecule that has hydrogen attached to an atom of high electronegativity and another molecule that has another electronegative atom with high electron density (that is, a negative partial charge) is required. Water molecules in the bulk of the body of water maintain multiple interactions with other molecules through an extensive network of hydrogen bridges, so for polar compounds to enter, it would be necessary to break many of these bonds.

The false spider mite, Brevipalpus phoenicis, has only two chromosomes. Which of the following pieces of evidence would allow you to determine that this animal is haploid, n=2, and not diploid, 2n=2?
a. If these two mite chromosomes have different genes at different loci.
b. If the somatic cells in these mites undergo mitosis.
c. If these two chromosomes in the mite form tetrads during prophase I.
d. If this mite produces gametes containing only one chromosome each.

Answers

Answer:

The correct answer is - a. If these two mite chromosomes have different genes at different loci.

Explanation:

If it is 2n= 2, it means that it is diploid and has two sets of chromosomes in which one set comes from mother and the other from father which means parent's genes contribute to diploid equally. Both sets of chromosomes form homologous chromosome pair. Each homolog of the pair has the same gene at the same loci in diploid and if it has not the same homologous gene at the same loci these are haploid.

Some pink flamingos are not flying birds. Therefore, it is false that all pink flamingos are flying birds.

a. True
b. False

Answers

Answer:

B

Explanation:

Answer:

its false.

hope it helps

stay safe healthy and happy...

The passage suggests that in designing the experiment, Johnson relied on the fact that A) fungal hyphae warn beanstalks of danger if a nearby plant is attacked. B) wasps are harmful to the ongoing existence of broad bean plants. C) broad bean plants release noxious chemicals to ward off infestation. D) aphids are able to withstand the aggressive maneuvers used by wasps.

Answers

the correct answer is AlC

In the lung alveoli, the oxygen partial pressure is about 100 mm of mercury, or 0.13 Atm. If blood was solely composed of a saline solution (lacking any hemoglobin), oxygen equilibrates with the alveolar air to a concentration of about 3 mg/L or 0.093 mm). In oxygen-saturated blood, however, the O2 concentration is about 0.008 M (8 mm).

Required:
a. What is the Henry's Law constant for oxygen in saline?
b. What is the Henry's Law constant for oxygen in blood?
c. How much does the presence of hemoglobin enhance oxygen solubility in blood (i.e. what is the ratio in blood vs saline)?

Answers

Answer:

Picture is attached.

PLEASE BE QUICK! Question 7 of 35
Why do scientists use microscopes to study cells?
A. Because most cells are too dangerous to view without protection
B. Because it is quite rare to find living things that are made of cells
C. Because most cells cannot be seen without magnification
D. Because cells can be studied only after they have died
SUBMIT

Answers

Answer:

C

Explanation:

Most are too small to be seen with the naked eye. so they must be looked at with a microscope

The answer is C) Because most cells cannot be seen without magnification

Without the proper tools, the naked eye will never be able to see a cell. But when you have the correct tools, you will be able to spot them, as long if you know what you are doing. Cells are too small for the naked eye to see, just like trying to find the needle in the haystack without touching it.

What is the Ukrainian?

Answers

Explanation:

Ukraine is a country in Eastern Europe. It is the second-largest country in Europe after Russia, which it borders to the east and north-east.

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Which of the following is a material?
A. Wood
B. Rigid
C. Transparent
D. Dull

Answers

Answer:

A. Wood

Explanation:

Material is a physical object (something made up of molecules, atoms etc.)

Other listed options are characteristic of that given material. For example, an iron bar is a material, but its shiny lustre is its characteristics.

The material out of the given options is wood. Hence, the correct option is (A) Wood.

Material is something that is used to produce an item or thing. It is an essential element of the natural or synthetic substances that are employed for the manufacturing of different products. Material is used in everyday life as well as in the technical industry.

It refers to a substance that can be used as a raw material or as a semi-manufactured product to make an end-product. Materials are used to create a wide range of things, including clothing, food, medicines, buildings, automobiles, and other consumer goods.

Materials can be classified based on a variety of characteristics, including their composition, structure, and properties. Types of Materials: Materials can be classified into the following categories:

1. Natural materials, which include wood, rubber, and leather

2. Synthetic materials, such as nylon and polyester

3. Semi-synthetic materials, such as rayon

4. Composite materials, which include concrete and fiberglass

5. Electronic materials, which include semiconductors and superconductors

Features of materials: Materials have some characteristics, such as a particular physical and chemical composition, density, texture, and color, that differentiate them from other substances. Furthermore, materials can have a variety of properties, including thermal conductivity, electrical conductivity, tensile strength, ductility, and malleability.

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One true-breeding line of mice is obese and dark and another is lean and light. Dark is dominant to light, but obese and lean exhibit incomplete dominance. What proportion of offspring from a dihybrid cross should be both dark and intermediate between obese and lean

Answers

Answer:

6/16 Intermediate and dark ⇒ 2/16 OoDD + 4/16 OoDd

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

in order for the elodea leaves to photosynthesize need to light and both _______ and ________

Answers

Answer:

Carbon dioxide and Chlorophyll

In order for the elodea leaves to photosynthesize need to light and both Carbon dioxide and Water

Photosynthesis is the process by which green plants and certain other organisms transform light energy into chemical energy.

During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

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When the dry-bulb temperature is 22°C and the wet-bulb temperature is 13°C, the relative
humidity is
1. 10%
2. 33%
3. 41%
4. 59%

Answers

Answer:

33 percent is wright

hope it may help you

Systems that use massively parallel systems of processors whose architecture is based on the human neuron structure are called

Answers

Answer:

Neural networks

Explanation:

The neuron is the structural and functional unit of the nervous system. The neuron is also known as a nerve cell. The neuron is the largest cell of the body that helps to communicate or transmit signals. A neuron has an axon body, dendrites, and terminal region. The transmission of the signal from one neuron to another through the axon terminal.   Large numbers of neurons are present in the human body system that coordinates the whole body system. Neural networks contain a massive amount of neurons whose architecture is based on neurons. So, the correct answer to the given question is neural networks that use massively parallel systems based on neurons.  

A cell membrane has permeability, which means that the membrane?

Answers

Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot.
Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot. ... On the other hand, cell membranes restrict diffusion of highly charged molecules, such as ions, and large molecules, such as sugars and amino acids.

purple flower = P
white flower = p
round seed = R
wrinkled seed = r

look at the punnett square and list the genotypes that would correspond to each phenotype

purple flowers, round seeds:
purple flower, wrinkled seeds:
white flowers, round seeds:
white flowers, wrinkled seeds:​

Answers

Answer: this is a long one lol

Explanation:

purple flowers and round seeds could be both PPRR and PpRr because it's both dominant traits and heterozygous genotypes still show the phenotype of the dominant gene. purple flower and wrinkled seeds would be PPrr or Pprr for the same reason. white flowers and round seeds would be ppRR or ppRr, and finally white flowers and wrinkled seeds would be pprr. hope this helped :)

Do you think that Neanderthals deserve the sometimes negative public image they have?

Answers

Answer:

No.

Explanation:

Neanderthals are portrayed as idiotic animals while in reality they are the beginning of our civilizations. While yes we are far more advanced then they were back then they are still our beginning roots and were smart enough to take the first steps towards advancement causing us to be where we are now :)

9.
I've been called the storage tank
By those with little taste
I'm a sack filled with water,
Food, enzymes, and waste
What am I?

A)Golgi Body (Complex)
B)Endoplasmic Reticulum
C)Nucleus
D)Ribosomes
E)Cell membrane
F)Cell wall
G)Vacuole
H)Lysosomes
I)Vesicles
J)Chloroplast
K)Chromosomes
L)Mitocondria

Answers

Answer: G)Vacuole

Explanation:

G)Vacuole is the answer. Hope this helps!

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