why cells are sometimes called the building block of life?​

Answers

Answer 1

Answer:

cell is the smallest unit of life, also called the 'building blocks of life' because cells multiply and differentiate to form a multicellular organism as well as give rise to new organism by forming gametes or reproductive spores.


Related Questions

in some plants pink flowers are dominant over yellow flowers if Mario crosses two hybrids what happens

Answers

75% pink 25% yellow

Researchers note that a plant closes its stomata on a hot, dry, windy day. What statement describes the plant response to these
conditions?
A)
The stomatal closings and the environmental conditions are unrelated for this plant.
B)
The stomatal closings and the environmental conditions are unrelated for
this plant.
Water loss and water stress is highest on hot, dry, windy days, so the plant
closes stomata to conserve water.
Hot, dry, windy days are not conducive to pollen spread, so the plant closes
its stomata to prevent pollination.
Photosynthesis is decreased on hot, dry, windy days, so the plant closes its
stomata to prevent carbon dioxide diffusion.
a
D)

Answers

Answer:

It is B

Explanation:

i just took it

If a plant closes its stomata on a hot, dry, and windy day, the plant response to these conditions is water loss and water stress is highest on hot, dry, windy days. So, the plant closes its stomata to conserve water.

What do you mean by Stomata?

Stomata are the tiny pores present on the surface of the leaves. A huge amount of gaseous exchange may take place in the leaves through these pores for the purpose of photosynthesis.

During photosynthesis, these stomatal pores take carbon dioxide and water is gradually lost, in order to prevent this water loss in hot and humid conditions, the plant closes its stomata.

Therefore, if a plant closes its stomata on a hot, dry, and windy day, the plant response to these conditions is water loss and water stress is highest on hot, dry, windy days. So, the plant closes its stomata to conserve water.

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Is cell division a continuous process?

Illustrate with an example

Answers

Answer:

Cell division is the means of reproduction in unicellular organisms whereas it is the means of tissue growth and maintenance in multicellular organisms. ... In adults, cell divisions are involved in renewing old tissues rather than growth.,ya it is continuously processing

I want answers please ​

Answers

Explanation:

1.arm&base

2.a shutter controlled by a lever

3.Nosepiece,objective lenses,stage clips

6. 100X.....(this means that the image being viewed will appear to be 100 times its actual size

the different between microspores and pollen grain

Answers

The key difference between microspore and pollen grain is that microspore is the small spore that develops into the male gametophyte in plants while pollen grain is the small grain that contains the male gametophyte.

Why did the White House experience water damage ?

1.
It is made of granite which is strong.

2. It is made of sandstone which is very porous and is easily penetrated by rainwater

3. It is made of non-porous sedimentary rock

Answers

The White House building is made of sandstone which is very porous as a result water is easily penetrated inside it which causes damage and make the walls of building weak.

The White House is made of gray-colored sandstone that is brought from quarry in Aquia, Virginia. The north and south porticos of white house building are constructed with red Seneca sandstone brought from Maryland. These sandstones are porous in which rainwater is easily penetrated in it that cause damage to the white house building so it is concluded that the building is made of porous sandstone.

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Explain why fabrics made with elastic fibre with the trade name “lycra’ are extensively used in foundation garment industry today. You may use their special characteristics and properties.​

Answers

Answer:

Fabric name

Lycra

Fabric also known as

Spandex, elastane

Fabric composition

Polyether-polyurea copolymer

Fabric breathabilityn

High breathability

Moisture-wicking abilities

High

Heat retention abilities

Low

Stretchability (give)

Extraordinarily high

Prone to pilling/bubbling

High

Country where fabric was first produced

United States

Biggest exporting/producing country today

China

Recommended washing temperatures

Warm or cold

Commonly used in

Underwear, socks, bras, sports bras, bike shorts, yoga pants, hiking apparel, motion capture suits

#hope this helps u some #

What are the student’s observations and inferences before he starts his investigation?

Answers

Answer:

Hypothesis. A Hypothesis is an estimation of what might happen and the student's observation before moving on to investigate.

With increases in CO2 in the atmosphere, _______ are expected to experience the largest temperature increases, while __________ are expected to experience the least.

Answer choices
high latitude oceans; high latitude land surfaces
high latitude land surfaces; low latitude oceans
low latitude oceans; high latitude oceans
low latitude land surfaces; high latitude landsurface

Answers

Answer:

The first option would be the best.

Explanation:

The oceans heat up first before the atmosphere does.

what is osmolarity of mammalian urine?​

Answers

Answer:

The osmolarity of mammalian urine may vary over time. The osmolarity of mammalian urine varies little between species. Mammalian urine is always hyperosmotic to blood. The osmolarity of mammalian urine may vary over time.

Explanation:

I hope it will help you

Help meeee!!!!
Why is it necessary to check total aerobic microorganisms in microbiological quality control but not to test total anaerobic microorganisms?

Answers

Answer:

While many microbes are harmless to humans, others can cause serious problems. They can spoil food, introduce toxins, cause disease and lead to a host of other problems. The importance of microbiological testing is to quickly identify these contaminants and treat them before they do irreversible damage.

Explanation:

Aerobic bacteria are bacteria that can grow and live when oxygen is present.

Select the statement about human impact on the environment that is FALSE. The number of humans engaging in a specific activity impacts the severity of the issue. Damaging the environment threatens human and ecosystem health. Pesticide and fertilizer use by humans is particularly damaging to the environment. Urban growth leads to increased waste, which leads to climate change.

Answers

Answer:

the answer is should be True

What is the structure of the middle ear?​

Answers

Answer:

The middle ear is a narrow air-filled cavity in the temporal bone. It is spanned by a chain of three tiny bones—the malleus (hammer), incus (anvil), and stapes (stirrup), collectively called the auditory ossicles.

Explanation:

Hope this helps!;)

Is the scorpion vertebrate ? ​

Answers

Answer:

scorpions are invertebrates but are insects

Answer:

A animal that is an vertebrate has a spine, and backbone. Some of these animals can be humans, dogs, cats, etc. But most 6 legged creatures, 8 legged creatures do not have a backbone.

To answer your question, no, scorpions are not vertebrates because they do not a spine and backbone.

Nutrient Food source Role in the body Vitamin A Iron Iodine Vitamin D Protein​

Answers

Answer:

There are seven main classes of nutrients that the body needs. These are carbohydrates, proteins, fats, vitamins, minerals, fibre and water. It is important that everyone consumes these seven nutrients on a daily basis to help them build their bodies and maintain their health.

these are the 7 main classes of Nutrition that the body needs hope it will help you

What is the correct order of amino acid if the sequence of bases on DNA were as follows: C-C-T-C-G-A-T-T-C-A-T-G
glycine, alanine, lysine, tyrosine

2)

alanine, proline, lysine, tyrosine

3)

valine, aspartate, glycine, proline

4)

aspartate, glycine, serine, valine

Answers

Answer:

it should be G-G-A-G-C-T-A-A-G-T-G-C

Explanation:

A=T

C=G

think of them as opposites. invert them and you'll have the answer (its easier if you write the answer right underneath)

The amino acid sequence should be G-G-A-G-C-T-A-A-G-T-G-C

G-G-A: glycine

G-C-T: alanine

A-A-G: lysine

T-G-C:  tyrosine

What are amino acids?

Amino acids are molecules that combine to form proteins. Amino acids and proteins are the building blocks of life.

The nucleotide triplet that encodes an amino acid is called a codon. Each group of three nucleotides encodes one amino acid. There are 64 combinations of 4 nucleotides taken three at a time and only 20 amino acids, the code is degenerate (more than one codon per amino acid, in most cases).

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__________Are the subunits making up nucleic acids

Answers

Answer:

Nucleotides.

Explanation:

Nucleic acids (DNA, RNA) are large polymers, made out of monomer building blocks called nucleotides. The nucleotides have a similar structure with three 'subunits': A phosphate group

In this excerpt, a reader can conclude that Lizzie is playful based primarily on her

Answers

Answer:

based on Lizzie's words

Importances of bacteria to humans​

Answers

Answer:

Bacteria are very important to humans, both for good and for bad, due to their chemical effects and the role they play in spreading disease. In their beneficial effect, some bact

Some bacteria are used for the production of antibiotics which is useful to human

List some Characteristic of fruits.​

Answers

Answer:

Quality factors for fruits include the following— maturity, firmness, the uniformity of size and shape, the absence of defects, skin and flesh color. Many of the same quality factors are described for vegetables, with the addition of texture-related attributes such as turgidity, toughness, and tenderness.

HELP PLEASE ASAP FAST

Answers

Answer: Adenine hope this helps...

When neuroscientists employ the term "nucleus", they are usually referring to:_____.
​a. a cluster of glial cells in the dorsal-medial CNS.
​b. a neural unit composed of anatomically and functionally related neurons.
​c. a group of homologous ganglia located either in the cortex or in the cerebellum.
​d. cognitively synchronized clusters of apical dendrites anywhere in the PNS.

Answers

Answer:

B. A neural unit composed of anatomically and functionally related neurons.

The nucleus of the cell is similar to the_______ system of the body.

Answers

The nucleus of the cell is similar to the Neurological system of the body.

The nucleus of the cell is similar to the Neurological system of the body.

What is Nucleus?

According to the Cell Biology, nucleus may be a membrane found in organism cells.

The nucleus contain all of the cell's ordering except mitochondrial DNA and in plant cell, Plastid DNA.

Nuclear DNA is organized as multiple long linear molecules in a very complex form with a large variety of proteins, like histones, to make chromosomes.

The nucleus maintains the integrity of sequences and controls the activities of the cell by regulation gene expression—the nucleus is, therefore, the control center of the cell

The nucleus contains nearly all of the cell's polymer, enclosed by a network of fibrous intermediate filaments and enveloped in an exceedingly double membrane referred to as the "nuclear envelope".

The nuclear envelope separates the fluid within the nucleus, referred to as the living substance, from the remainder of the cell. The scale of the nucleus depends on the scale of the cell it's contained in, with a nucleus usually occupying 8% of the whole cell volume.

The nucleus is the largest organelle in animal cells.

For example- In mammalian cells, the average diameter of the nucleus is approximately 6 micrometers (µm).

What is Neurological System or Nervous System of the body?

The  Nervous system could be a extremely advanced a part of associate degree animal that coordinates its actions and sensory data by sending signals to and from completely different components of its body.

In vertebrates it consists of 2 main components, the central system (CNS) and therefore the peripheral system (PNS). The CNS consists of the brain and neural structure.

The function of the system is to send signals from one cell to others, or from one a part of the body to others and to manage the body.

It will this by extracting data from the setting exploitation sensory receptors, causing signals that encrypt this data into the central system, process the data to work out associate degree applicable response, and causing output signals to muscles or glands to activate the response.

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How do simple organisms exchange substances?
O A. Directly across the alveoli.
OB. Through spiracles.
C. Directly across the external membranes.
D. Through specialized gas exchange systems.

Answers

The answer is D. Through specialized gas exchange systems.

what evidence shows that biological molecules on earth form naturally?

Answers

Explanation:

La siguiente entrada tiene como objetivo realizar una breve explicación sobre las moléculas biológicas  lipídos y carbohidratos, las cuales son muy diversas ya que están formadas por carbono, lo cual hace que puedan formar muchos tipos de enlaces. Esta capacidad permite que las moléculas orgánicas  adopten muchas formas complejas, como son las cadenas, las ramificaciones y los anillos.

Las moléculas biológicas son grandes polímeros que sintetizas para poder enlazarse con otras subunidades mucho mas pequeñas conocidos como monómeros. Las cadenas de subunidades estan unidas por enlaces covalentes los cuales se forman por deshidratación, estas cadenas pueden romperse por hidrólisis. La moléculas biologicas más importantes son los carbohidratos, lípidos, proteínas y ácidos nucleicos.

What can you learn about by studying DNA?

Answers

Answer:

whether these DNA tests can tell us much about an individual newborn's destiny, they are already a useful research tool that is providing new insights into how genes and environments interact, new avenues for understanding how mental illnesses (and other illnesses) develop and new pathways to explore potential ...

hope this will help you

mark me brainliest

Answer:

Explanation:

we can learn about DNA tests can tell us much about an individual newborn's destiny, they are already a useful research tool that is providing new insights into how genes and environments interact.

How are growth and development dinstinct from each other

Answers

Answer:

Growth is a physical change in ones body size that can be easily observed.

Development is the ability to do things complex, challenging, and difficult.

.1.2 The type of control shown in the diagram is known as

Answers

Answer:

which diagram

Explanation:

I hope you understand

PLEASE HELP FAST PLEASE ASAP HURRY

Answers

Answer:

A number is a correct answer

Exchange of gases in plants occur through:
(A): Stomata.
(B):Lenticels.
(C):Root surface.
(D):Choloroplast.

(1)A,B and D
(2)A,B,CandD
(3)AandC
(4)A,BandC

Answers

Answer:

(A): through the stomata

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