WRITE THE DEFINITIONS OF EACH ANIMAL ORGANELLE LISTED. (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus (7) cytoskeleton (8) smooth endoplasmic reticulum (9) mitochondria (10) vacuole (11) cytosol (12) lysosome (13) centriole

Answers

Answer 1

Answer: nucleolus: a small dense spherical structure in the nucleus of a cell during interphase. nucleus: the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass. ribosome: a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells. They bind messenger RNA and transfer RNA to synthesize polypeptides and proteins. vesicle: a small fluid-filled bladder, sac, cyst, or vacuole within the body. rough endoplasmic: reticulum (RER), series of connected flattened sacs, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that plays a central role in the synthesis of proteins. Golgi apparatus: a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.

Explanation:


Related Questions

What is the kind of asexual reproduction

Answers

This is the kind of asexual reproduction tho‼️

Dehydration synthesis leads to WICH formation

Answers

Answer:

Polymers...........

Explanation:

water enters a long vurvykar tube at a eman tempreture taht is lower than the tine surface temperatire. The curve that most closely describes the mean tempretire of the fluid as a function of

Answers

Answer:

The curve that most closely describes the mean tempretire of the fluid as a function of position  along the tube.

Explanation:

Hello. Your question is presenting very confusing words, however, through the context of the question as a whole, it is possible to see that you are saying that the water that enters a circular tube has a lower temperature than the temperature presented by the surface of the tube . In this case, if you are going to present a graph about this, it is important that this graph presents a curve that shows the relationship between the average water temperature as a function of the position of the water along the tube. This graph will be similar to the graph shown in the attached figure below.

hi im new just joined
The caterpillar, which is the larval stage of a butterfly, is very different from its adult form. Which phenomenon is responsible for this difference?
A. metamorphosis
B. regeneration
C. alternation of generation
D. molting

Answers

Metamorphosis IIRC, hope this help

Answer:

A

Explanation:

Metamorphosis is the process when large biological changes can occur like the transition from caterpillar to butterfly.

Engineers design a system for heating the air in a house. They want the
heater to bring the temperature to a comfortable level and then maintain it.
Which option describes how the engineers should design the system?
O A. Include a control in the system that senses the air temperature
and causes negative feedback, reducing the output of the heater.
O B. Design the system with a control that maintains a constant level of
output from the heater.
C. Include a control in the system that varies the input level in a
regular cycle.
Design the system with a control that allows positive feedback to
enhance the heating ability of the system,

Answers

Answer:

I think its c include a control in the system that varies the input level in a regular cycle.

Explanation:

Which of these occurs in the first trimester of human pregnancy?

A. The fetus accumulates fat under its skin.

B. The fetus's lungs become fully developed.

C. The fetus is able to move its limbs.

D. The fetus becomes medically viable.

Answers

Answer:

i think its probably A

Explanation:

the first trimester is when the fetus enters a stage of rapid development. forming most organs, facial features, skeletal tissue, and limbs. So its either A or B. But i dont think the lungs are fully developed yet so i would choose A. hope this helped

Now differentiate between laws and theories

Answers

Answer:

laws are so far permanent and can be amended, other-wise they can't be removed

theories, are different, theories are just theories that are ready to become something like a law, it is still in testing mode, it is like a bill in terms of law and has a possibility to become a passed law, just needs more hypothesis's and conclusions

Explanation:

law = law that is passed

theories = bills in law

Why do some people argue that scientists should not use embryonic stem cells in medical research?
A. They think research conducted on these stem cells is not applicable to adults.

B. They think the use of these stem cells is too expensive.

C. They think the use of these stem cells is the same as ending a life.

D. They think research conducted on these stem cells is too difficult.​

Answers

[tex] \huge \rm \pink{answer}[/tex]

D. They think research conducted on these stem cells is too difficult.

They argue because they think the use of these stem cells is the same as ending a life. Therefore, option C is correct.

This viewpoint is rooted in ethical and moral concerns. Embryonic stem cells are obtained from human embryos, usually from unused embryos created during in vitro fertilization (IVF) procedures. Opponents argue that using these stem cells for research purposes involves the destruction of potential human life since the embryos are destroyed in the process of harvesting the cells.

The ethical debate surrounding embryonic stem cell research centers on the question of when life begins and whether it is ethically justifiable to use human embryos for scientific purposes.

Learn more about stem cells, here:

https://brainly.com/question/11161299

#SPJ4

What two different components of a telescope can be used to focus light?

Answers

Answer:

Mirror and Lens

Explanation:

Refracting telescopes use lenses to focus the light, and reflecting telescopes use mirrors

Andrew is trying to identify an unknown element. The element is dull and
brittle, and it is a poor thermal and electrical conductor. Where on the periodic
table is this element most likely found?

Answers

Answer:

non metals

Explanation:

Birds differ from their closest relatives, the reptiles, in what ways?
(choose all that apply)
the bones of reptiles are too lightweight to permit flight
birds are capable of powered flight, while some reptiles can glide
birds have feathers, reptiles have scales
only the birds lay eggs on land; the reptiles can only lay their eggs in water
the reptiles have a series of internal air sacs that allow a very efficient extraction of oxygen
birds are endothermic, while reptiles are generally ectothermic
1 pts

Answers

Answer:

birds have feathers, reptiles have scales

birds are endothermic, while reptiles are generally ectothermic

Explanation:

The main difference between birds and reptiles  is that birds have feathers on their body while on the other hand, reptiles ahve dry skin and have scales. Reptiles are ectotherms, while birds are endotherms. An ectotherm relies on its external environment to regulate the temperature of its body whereas Endotherms are able to regulate their body temperatures by producing heat within the body.

Complete each of the sentences with the correct word or words regarding the function and structure of nails.

a. Nails are a scalelike modification of the __________layer of the _________
b. Nails form on the _______edges of the fingers and the toes.
c. Fingernails _________digits from damage protect the

1. stratum corneum
2. do
3. dermis
4. do not
5. ventral
6. epidermis
7. dorsal

Answers

Answer:

a. nails are a scalelike modification of the stratum corneum layer of the epidermis  

b. nails form on the dorsal edges of the fingers and toes

c.  fingernails do protect the digits from damage

Explanation:

The stratum corneum consists of the top layer of the epidermis (i.e., skin). Nails represent a modification of the epidermis and they are composed of densely packed dead skin cells (keratinocytes), which are rich in a protective protein called alpha-keratin. The nail plate is the hard keratinized part of the nail. The nail bed is the skin underneath the nail plate. The nails grow from the proximal portion of the nail bed, which is known as the nail matrix. The main function of the nails is to protect the tips of fingers and toes from injury.

Luke was Isked to find the median of the following
numbers:
16, 24, 12, 7, 30, 11,22
The work below shows the steps he used.
X X 16 22 24 30
What error did Luke make?
O He forgot to put the numbers in order first.
O He crossed off the low and high pairs incorrectly.
O He left out a number when putting the numbers in
order.
O He did not make an error.
16 + 22 = 38
2 2
16 22 = 38
19

Answers

Answer:

He left out a number when putting the numbers in order.

Explanation:

To find the median of a set of numbers, first arrange the numbers in order from least to greatest. Then begin crossing numbers of from each side at the same time.

Luke did not cross numbers off from each side, but only crossed them off from the left side. He also skipped a number, given there are only 2 "X's."

The list should look like so:

7, 11, 12, 16, 22, 24, 30

There should be three numbers before 16, not two as he has listed.

What type of frog or toad is this

Answers

Answer:

Explanation:

scaled reptiles

Answer:

this would be a black spot toad i think i am not 100 percent sure but its most probably this is a black spot toad

Explanation:

hope this help :]

A researcher wanted to create a loss of function mutation for studying Type I Diabetes in a model animal. What mutation would mimic Type I diabetes?
a) Inhibition of sugar absorption in the small intestine
b) Inhibition of pancreatic beta-cells
c) Up regulation of insulin receptors on the pancreas
d) Down regulation of GLUT4 transporters in muscles

Answers

Answer:

The correct answer is: b) Inhibition of pancreatic beta-cells.

Explanation:

Type 1 Diabetes is a form of Diabetes Mellitus, a condition characterized by chronic hyperglycemia (high blood sugar levels) that can compromise many organs and even cause death if not treated properly.

The most common form of Diabetes Mellitus is Type 2 Diabetes, in which the pancreas produces insulin but cannot reach the target organs because of a pathologic state called Insulin Resistance.

Type 1 Diabetes, instead, is present in patients that cannot produce insulin on their own. Insulin is the most important hormone in the regulation of blood sugar - it is secreted by the pancreatic beta-cells when glycemia rises (which is normal after eating) and it is key in allowing glucose to reach the tissues where it's needed for energy requirements. Type 1 Diabetes is usually diagnosed in young, even pediatric, patients - the pancreatic beta-cells in these individuals are destroyed and unable to function (the reason for this is not clear in all cases), so they have to be administered with exogenous insulin to survive.

For the model animal to better represent Type 1 Diabetes, the mutation would have to inhibit pancreatic beta-cells.

2. Is caffeine really a source of energy

Answers

Answer

Yes i believe so

Explanation:

Same here lolzz !!!!!!!

Who was newton please explain fast​

Answers

Newton was a scientist in the 1600's who discovered gravity. He also discovered the laws of physics.

answer:

the man who discovered gravity by an apple falling on his head

hope this helps :)

A gene is

1. segment of DNA
2. All of our DNA

Answers

Answer:

segment of DNA

Explanation:

they contain the code for a specific protein that functions in one or more type of cells in a body

Answer:

segment of DNA

Explanation:

There are different parts of DNA.

One of them is the gene.

Have a great day.

Nonrenewable resources are those that cannot be replaced faster than they are used up by human populations. Do you think the resources you read about in this activity are nonrenewable? Explain why.

Answers

Answer:

first of all non renewable energy or resources is s energy or resources that can last for a particular time . such resources are depleted and cannot be replenished as the are used.

Explanation:

I think so because it is been recharged. e.g the phone been used is recharged or powered through electricity which can also be powered through waves of water from dams( kanji dams)

What are the three different ways a baby animal develops and what is it called?

Answers

Gametogenesis, the generation of egg cells (oogenesis) or of sperm (spermatogenesis);
Fertilization, the entry of the sperm cell into the egg cell, followed by the union of the two cells' nuclei;
Embryogenesis (embryonic development) with. ...
Metamorphosis to an imago or adult.

Which best describes the ecosystems on Earth?

A. Earth has mostly rain forest ecosystems.
B. Separate ecosystems can affect each other.
C. There are very few types of ecosystems on Earth.
D. Ecosystems do not interact with each other.

Answers

Answer:

Explanation:

B.  có nhiều hệ sinh thái khác nhau trên trái đất. mỗi hệ sinh thái có một đặc tính riêng và chúng có thể kết nối, tác động qua lại với các hệ sinh thái khác

describe the internal diameter of the aorta.​

Answers

Answer:

In sonographic measurements performed in the transverse view, the diameter of aorta (Ao) constituted 15.7 mm, the longer dimension of the inferior vena cava (IVC1) equaled 28.4 mm and the shorter one (IVC2) – 15.5 mm. In the longitudinal view, Ao equaled 15.3 mm and IVC – 18.8 mm (tab.

The normal diameter of the ascending aorta has been defined as <2.1 cm/m2 and of the descending aorta as <1.6 cm/m2. The normal diameter of the abdominal aorta is regarded to be less than 3.0 cm

i)
State why the cobalt chloride paper is kept in a jar with a ground glass
stopper​

Answers

Answer:

bcz it is harmful for human body

Explanation:

Which type of process occurs in the absence of oxygen?

cellular respiration

photosynthesis

fermintation

all of the above

Answers

photosynthesis prosecss in the absence of oxygen

a) Identify where exocytosis begins in this pathway.
How is the protein transported out of the cell?

Answers

Answer:

Protein cargo moves from the ER to the Golgi, is modified within the Golgi, and is then sent to various destinations in the cell, including the lysosomes and the cell surface. The Golgi processes proteins made by the endoplasmic reticulum (ER) before sending them out to the cell.

explanation:

correct me if I'm wrong (◍•ᴗ•◍)

The strand of RNA moves to the ribosome.

The DNA double helix unzips.

The strand of RNA leaves the nucleus.

A protein is produced.

A strand of RNA is made from a strand of DNA.

Answers

The strand of RNA moves to the ribosome.

✔ 4

The DNA double helix unzips.

✔ 1

The strand of RNA leaves the nucleus.

✔ 3

A protein is produced.

✔ 5

A strand of RNA is made from a strand of DNA.

✔ 2

The arctic fox has a diploid number of 50 an arctic fox was forming gametes by meiosis, how many chromosomes would be visible in prophase 17 Are the chromosomes replicated or non-replicated?
a. 2. 50; unreplicated
b. 28; replicated
c. 100, replicated
d. 25: unreplicated
e. 6.50; Replicated

Answers

Answer:

50 visible chromosomes and replicated.

Explanation:

Diploid number 50Haploid number 25

When we talk about the cell cycle, we refer to the interphase and the cell division (mitosis or meiosis).

Interphase is composed of stages G1, S, and G2. During the S stage, the DNI replication process occurs. This is the only stage in which the DNI molecule replicates. The synthesis of histones and other associated proteins also occurs.

Meiosis occurs after the interphase is over.

Meiosis produces four daughter haploid cells (n) from a diploid germ cell (2n). Each daughter cell is haploid because they have half the number of chromosomes of the original one.

At the beginning of prophase 1, DNI is condensed in a well-defined chromosome formed by two sister chromatids joined by a centromere. Each chromosome carefully pairs with its homologous chromosome. Homologous chromosomes aline together to make the crossing-over possible, the stage where they interchange their parts.

The whole set of chromosomes is present in prophase 1. The reduction occurs later.

So if the germ cell has 50 chromosomes, the same 50 will be visible during prophase 1. DNA has already been replicated during the S stage of interphase.

When crossing a true breeding white mouse with a true breeding brown mouse your friend tells you she recovered all black mice. But then when she crosses the F1 mice to each other she recovered 28 black mice, 8 brown mice, and 13 white mice. Can you help her explain these results? (Type out the cross and include genotypes of as many mice as possible. What phrase best describes this phenomenon? How many genes are involved are they linked or unlinked? Etc.)

Answers

Answer:

Following are the response to the given question:  

Explanation:

[tex]White = aaBB \\\\Brown = AAbb\\\\Parental \ \ cross: aaBB \times AAbb\\\\F1 \ progeny: AaBb\\\\F1 \ selfing: AaBb \times AaBb\\\\F2 \ progeny:\\\\[/tex]

[tex]\frac{9}{16} = A_{B_} = Black\\\\[/tex]

[tex]\frac{3}{16} = aaB_ \ = White\\\\[/tex]

[tex]\frac{3}{16} = A_{bb} = Brown\\\\\frac{1}{16} = aabb = White\\\\[/tex]

The observed progeny ratios closely match the morphological ratio of 9:3:4. That's a hereditary pharmacogenetic example.

Applying a number of distinct genes = 2

You have really no connection

Phenomenon=Recessive Epistasis

While alive, an organism absorbs (radioactive) carbon 14 at such a rate that the proportion of carbon 14 in the organism remains at a known constant level. When it dies, it no longer absorbs carbon 14, so its proportion of carbon 14 begins to decrease. The half-life of carbon 14 is 5,600 years. A human skeleton is discovered whose level of carbon 14 is 15% that of a living human. To the nearest 100 years, how long ago did the person die

Answers

Answer:

The person has been dead for approximately 15,300 years

Explanation:

Available data:

The half-life of carbon 14 is 5,600 yearsThe human skeleton level of carbon 14 is 15% that of a living human

To answer this question we can make use of the following equation

Ln (C14T₁/C14 T₀) = - λ T₁

Where,

C14 T₀ ⇒ Amount of carbon in a living body at time 0 = 100%C14T₁ ⇒ Amount of carbon in the dead body at time 1 = 15% λ ⇒ radioactive decay constant = (Ln2)/T₀,₅T₀,₅ ⇒ The half-life of carbon 14 = 5600 yearsT₀ = 0T₁ = ???

Let us first calculate the radioactive decay constant.

λ = (Ln2)/T₀,₅

λ = 0.693/5600

λ = 0.000123

Now, let us calculate the first term in the equation

Ln (C14T₁/C14 T₀) = Ln (15%/100%) = Ln 0.15 = - 1.89

Finally, let us replace the terms, clear the equation, and calculate the value of T₁.

Ln (C14T₁/C14 T₀) = - λ T₁

- 1.89 = - 0.000123 x T₁

T₁ = - 1.89 / - 0.000123

T₁ = 15,365 years

The person has been dead for approximately 15,300 years

Which gas is used by humans in the process of cellular respiration?

A) methane
B) nitrogen
C) oxygen
D) carbon dioxide

Answers

Answer:

oxygen is used by human in the process of cellular respiration

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