प्र.नं. १ समूह'क' मा दिइएकोश

लेख्नुहोस् :

कञ्चन
तिरष्कार
आशा गरिएको
उपेक्षा
पहिलेदेखि चलिआएको
सन्नाटा विद्युतीयपत्रवा चिठी
अनलाइन
सुनसान
इन्टेरनटमा रही सूचनाआदानप्रदान गर्ने प्रविधि
रहस्यमय
नं.२ खाली ठाउँमा उपयक्तशब्दभर्नहोस ।
[tex]7788x \times \times 789[/tex]

Answers

Answer 1

plz attach photo .....

Explanation:

फोटो हाले बल्ला बुझिन्छ । यसरी त के के हो के के।।।।

Answer 2

मिल्छ भने क्रिपया फोटो राखेर प्रश्न न सोध्नु होला

question sodda photo rakhera sodnu vako vaye bujhna sajilo hunthiyo


Related Questions

Which of the following statements is MOST accurate: Group of answer choices Animals evolved during the Cambrian Explosion because the Earth was organized into a supercontinent called Pangea Animals evolved during the Cambrian Explosion because oxygen on Earth had become abundant Animals evolved during the Cambrian Explosion because the Earth had just recovered from an asteroid impact Animals evolved during the Cambrian Explosion because carbon dioxide on Earth had become abundant

Answers

Answer:

Animals evolved during the Cambrian Explosion because oxygen on Earth had become abundant.

Explanation:

Photosynthesis could be responsible for the rise in the amount of oxygen in the seas and atmosphere near the beginning of the Cambrian. This rise of oxygen concentration allowing the evolution of larger animals having complex respiratory and circulatory systems. So we can conclude that evolution in the physical and genetical characteristics of animals occur during the Cambrian Explosion.

During the relative refractory period, _______. During the relative refractory period, _______. another action potential can be generated provided the stimulus is relatively smaller than the original stimulus. another action potential can be generated provided the stimulus is large enough. the flow of potassium is also depolarizing the neuron. a second action potential cannot be generated, no matter how strong the stimulus.

Answers

Answer:  

During the relative refractory period, another action potential can be generated provided the stimulus is large enough.

Explanation:

The relative refractory period is the time after an action potential where the sodium channels are transitioning from inactivated channels to closed ones. In other words, voltage-gated Na+ channels have two gates, an external one and an internal one. During repolarization, the outer gate is blocking the entrance, and the internal one is open. So the channel is inactivated. When the inner gate is closed, the Na+ channel is closed.

During the relative refractory period, a second action potential can happen, but the stimulus has to be large enough to do it since the membrane is hyperpolarized, that is to say, the membrane potential is more negative than the resting action potential. The cell needs more Na+ ions to produce the second action potential.

Human sperm and egg cells have ____ chromosomes.
A. 42

B. 21

C. 23

Answers

Answer:

They each have 23 chromosomes

Explanation:

Answer:

C. 23

Explanation:

Human sperm and egg cells have 23 chromosomes.

List Name two material resources and give an
example of how each is used.

Answers

Answer:

Wood : used for building tables and chairs, and sometimes houses

Plastic: used in a way wheir we put drinking water in it, or grocceries.

Explanation:

Hope this helps!!!

Answer:

sand and cotton. Sand is a raw material that is used in making a clear window glass.  such as socks and shirts, are made from cotton.

hope it helps

What are the chances that the parents will have a hairless baby guinea pig?

A. 75%


B. 25%

Answers

Answer:

I believe it is B

Explanation:

hope this helps

Answer:

B. 25%

Explanation:

There is a 50-75% or about half chance that the babies bred by a Skinny Pig and a haired Skinny pig gene carrier, will have hairless Skinny pig babies. The rest of the babies will just be skinny pig gene carriers. There is only a 25% chance that 1 or so hairless skinny babies will be born in these litters.

Why do identical twins separated at birth show DIFFERENCES as seen in the pictures?

A. Their DNA changed because of the different environments they lived in.

B. Different genes were turned on or off because of he different environments they lived in.

Answers

Answer:

B. Different genes were turned on or off because of the different environments they lived in.

Explanation:

Your DNA does not change but it can turn on some parts and off others depending on your enviroment.

Answer:

B. Different genes were turned on or off because of he different environments they lived in.

Explanation:

The identical twins separated at birth show different genes were turned on or off because of he different environments they lived in.

Only forager bees leave the nest for their jobs
A
True
B
False

Answers

I think the answer is False

State two similarities and two differences between an
amoeba and a plant cell:

Answers

Answer:

S: Both are eukaryotic (1) and contain a cytoplasm + vacuole (2).

D: Amoebas lack a cell wall (1) and are not photosynthetic organisms (2).

Explanation:

Which of the following can cause evolution to occur? (Select all that apply)

Mutation

If organisms choose a mate for a specific reason

People moving into or out of an area

If the population shrinks

Answers

Answer:

MutationIf organisms choose a mate for a specific reasonPeople moving into or out of an areaIf the population shrinks

Explanation:

These factors are the "forces of evolution." There are four such forces: mutation, gene flow, genetic drift, and natural selection.

These are the factors that can cause evolution to occur:

MutationIf organisms choose a mate for a specific reasonPeople moving into or out of an areaIf the population shrinks

Amino acids build

A. proteins

B. monomers

C. nucleic acids

Answers

Answer:

A. proteins

Explanation:

Amino acids builds up the proteins.

What organelle reforms around the chromatids at opposite ends of the cell?

A. Chloroplast

B. Vacuole

C. Centriole

D. Nucleus

Answers

The answer to your question would be: Nucleus

Which of these organs are parts of the brain?
а) cerebrum
b) cerebellum
c) brainstem
d) all of above

Answers

Answer:

all of above

Explanation:

The answer is all of above







Adrenergic receptors Select one: a. can be activated by the release of epinephrine. b. have two structural forms - muscarinic and nicotinic. c. when activated stimulate skeletal muscles to contract. d. can be found in both the sympathetic and parasympathetic divisions. e. are activated by the release of acetylcholine.

Answers

Answer:

The correct answer is  a. can be activated by the release of epinephrine.

Explanation:

Epinephrine is a hormone and neurotransmitter naturally secreted by the body through the adrenal glands, synthesized and stored in the adrenal medulla and released into the systemic circulation. Epinephrine is a non-selective adrenergic agonist, stimulating alpha1-, alpha2, beta1, and beta2-adrenergic receptors. The systemic actions of catecholamines are mediated by the binding of these compounds to plasma membrane receptors, of the GPCR type widely distributed throughout the body and known as adrenergic receptors, which are activated by the catecholamines adrenaline (epinephrine) and noradrenaline . These receptors cause different effects depending on the G protein subtypes to which they are associated and the signal transduction mechanism linked to the specific G protein.

En este dominio existen gran variedad de procariotas, con diversidad morfológica y fisiológicas, en este están todas

las procariotas patógenas, su tamaño oscila entre 1 y 40 milimicras, es

a) Protista

b) Eubacteria

c) Archaea

d) Eukaria

Answers

Answer:

c) Archaea

Explanation:

Los dominios biológicos son los taxones de más alto nivel, por encima de los reinos y abarcando todos los taxones, caracterizándolos de la manera más generalizada posible, dentro de la clasificación científica. Hay tres tipos de dominios llamados Archaea, Bacteria y Eukarya. Entre ellos, el dominio conocido como Archaea es el que engloba a los organismos procarióticos, unicelulares y patógenos, es decir, capaces de provocar enfermedades en el ser humano.

The most important feature that permits a gene to act as a molecular clock is The most important feature that permits a gene to act as a molecular clock is having a reliable average rate of mutation. having a larger proportion of exonic DNA than of intronic DNA. its being acted upon by natural selection. having a large number of base pairs. its recent origin by a gene duplication event

Answers

Answer:

The answer is "The first choice".

Explanation:

The hypothesis of such a molecular clock says because DNA and protein sequences develop at a pace generally constant over time as well as between different organisms. The whole idea is thus incredibly beneficial and for estimation of the historical periods, if the molecular biological hypothesis is valid, then the most significant feature enabling DNA to act as a molecular clock it has a reliable mean mutation.

Please help the picture is above I’ll mark as brainliest.

Answers

It’s after the egg and sperm cell have combined. So it’s “has the complete genetic information to form an adult”.

It would be half before it received the sperm so it’s not the first one. There is clearly NO sign of differentiation so it isn’t the second one. And the cell is the first in the given series so it’s not identical to a parent cell.


Which of the substances below are PRODUCTS of the overall chemical reaction of
photosynthesis?
A. ammonia
B. Unitrogen
C. carbon dioxide
D. water
oxygen
sugars

Answers

Answer:

essentially glucose and oxygen are the products of photosynthesis

Explanation:

What's true about all three of the first babies?

A. They all have hair, but they have different genotypes

B. They all have the same genes but some have hair and some don't

Answers

The a answer is B because I know that when I was borned I had no hair.

Answer:

A. They all have hair, but they have different genotypes

Explanation:

A phenotype is your version of a trait. Blue eyes vs brown eyes and curly hair vs straight hair are examples of phenotypes. A genotype is your combination of genes that produce your phenotype.

the water in ponds and lakes is...

Answers

Answer:

freshwater

Explanation:

Answer:

Lakes and ponds are inland bodies of standing or slowly moving water.

hope it helps

Which structures do plant cells have for making food that animal cells do not?

Answers

Answer:

chlorophyll is the answer

Chloroplasts are the food producers of the plant cell

It's 58 degrees outside and a meteorologist says a cold front is headed to you area. What should you wear to prepare? *

sandals
rain jacket
snow jacket
hat and gloves

Answers

You should wear a hat and gloves to prepare for a cold front; the average cold front is about 45-50 degrees, which is cold but not freezing enough for a heavy jacket.

Hope that helps!
hat and gloves is the answer

Which of the following best describes the genetic material a person receives from his or her father?

Answers

Answer:

Paternal

Explanation:

Genetic material from the mother is maternal and genetic material from the father is paternal.

Seed tray can be used for sowing of cucumber seeds ______

True or false​

Answers

Answer:

true

Explanation:

You can germinate cucumber seeds by direct seeding into a garden bed or in the soil in a seed tray.

which landform can be created by wind

Answers

Answer:

Aeolian landforms

Explanation:

It is the landform created by wind and named for the Greek God of wind 'Aeolus'.

The land form can be created by wind is Sand dunes

which feature of stem cells enable them to replace cells in tissues such as skin?

Answers

That is right!!!!! Hope that helped

The feature of stem cell which enable them to replace cell in tissues are that they can divide indefinitely to generate new cells and they can convert into the different types of cells that make up the body as they divide.

What is a stem cell ?

A stem cell is a cell that has the unique capacity to grow into different types of cells in the body.

They may be utilised in the future to replace cells and tissues that have been damaged or destroyed owing to illness.

Stem cells are classified into three types which are Embryonic stem cells, Adult stem cells, Induced pluripotent stem cells.

Embryonic stem cells provide new cells to an embryo as it grows and develops into a newborn.

Adult stem cells generate new cells as an organism matures and replace damaged ones.

Induced stem cells are stem cells created in the laboratory by scientists.

Learn more about Stem Cell here:

https://brainly.com/question/2139588

#SPJ2

What does DNA prove about organism ancestry?
A. Plants and animals are not related to one another

B. That all organisms are related to one another

C. DNA and RNA are completely different forms of genetic coding

D. Extraterrestrial life will have DNA as well

Answers

Answer:

B. That all organisms are related to one another

Answer:

B. That all organisms are related to one another

Explanation:

Fossils, anatomy, embryos, and DNA sequences provide corroborative lines of evidence about common ancestry, with more closely related organisms having more characteristics in common. DNA underlies the similarities and differences in fossils, anatomy, and embryos.

NO LINKS PLEASE

If Charles Darwin could return to the Galapagos Island today, which of the following is an example of a change he might see?

O A. no changes
O B. more islands
O C. more tortoises
OD. new species of iguanas

Answers

Answer:

D. New species of iguanas

Explanation:

A- doesn't make sense because nature changes every day.

B- More islands is possible but not likely considering your other options.

C- More tortoises is also possible but because I haven't read your text book or where your learned this information I can't be sure this is it.

D- Is the likeliest

d new species of iguanas

Reproduction for dolphins and badgers and people is more complicated because
A. we have to apply for a license before we can reproduce

B. have to find a partner

C. go through the cellular process of MITOSIS to produce sex cells.

Answers

Answer:

B. have to find a partner

Explanation:

When two badgers get together and fall in love, a sperm cell from the father which contains a copy of half of his DNA, only half, combines with the egg cell of the mother, which contains half a copy of her DNA. The result is a brand new cell with all the information to divide and grow up into a brand new badger. The new child matures to be similar to our parents, but also unique, because she developed some traits from her mother’s DNA, and some from her father. Her new combination of traits can be passed on to her children, and again.

On a cold day, the temperature of the air reaching alveoli is raised in the nasal passages because the

Answers

sorry i need pointsss the answer is nasal passages yeah

What is the difference between gene mutations and chromosome mutations?
A. Gene mutations are preventable and chromosome mutations are not

B. Gene mutations can happen easily and chromosome mutations are more difficult

C. Gene mutations only affect one gene while chromosome mutations affect many genes

Answers

Answer:

C. Gene mutations only affect one gene while chromosome mutations affect many genes.

Explanation:

The difference is that the gene mutations only affect one gene while chromosome mutations affect many genes.

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