gas exchange occurs between the tissue cells and the blood in the

Answers

Answer 1

Answer:

alveoli

Gas Exchange with Tissues

Gas exchange occurs in the alveoli so that oxygen is loaded into the bloodstream and carbon dioxide is unloaded from the bloodstream. Afterwards, oxygen is brought to the left side of the heart via the pulmonary vein, which pumps it into systemic circulation.

Explanation:

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Related Questions

13. why might amplification of a signal be important during transduction?

a. the signal needs to be repeated several times before a cell can respond

b. it reduces signal errors during transduction

c. the signal is louder for the cell

d. more molecules can be activated in fewer steps

e. the signal is to small for the cell to recognize otherwise​

Answers

Answer:

b ) it reduces signal errors during tranduction

Make a list of 5 kinds of variation that you can see between the dogs

Answers

fox wolf bear dog panda

What type of cell is shown above?
A.
prokaryotic
B.
plant
C.
eukaryotic
D.
animal

Answers

Answer:

A

Explanation:

The awnser is A ___________

What is photorespiration.

Answers

a respiratory process in many higher plants by which they take up oxygen in the light and give out some carbon dioxide, contrary to the general pattern of photosynthesis.

Calculate the kinetic energy of a
30 g bullet fired at 200 m/s.

Answers

Step 1: Identify the formula needed to solve this problem.

The formula for kinetic energy (KE) is:

KE = 1/2m~v^2

m = mass

v = velocity

Step 2: Make a list of the values given in the question.

mass (m) = 30 g

velocity (v) = 200 m/s

[tex] \frac{1}{2} m {v}^{2} \\ \frac{1}{2} \times 30 \times {200}^{2} \\ 15 \times 40000 \\ = 600000[/tex]

Answer:

6 × 10⁵ J

Explanation:

Kinetic Energy of a moving mass is defined as, half of the product of it's mass and the square of it's velocity.

[tex] \boxed{ \mathsf{K.E. = \frac{1}{2} m( {v})^{2} }}[/tex]

Mass of the bullet (m) = 30 gvelocity (v) = 200 m/ s

[tex] \implies\mathsf{K.E. = \frac{1}{2} \times 30 \times ( {200})^{2} }[/tex]

[tex] \implies\mathsf{K.E. = 15 \times 4 \times {10}^{4} }[/tex]

[tex] \implies\mathsf{K.E. = 60 \times {10}^{4} }[/tex]

[tex] \implies \underline{\mathsf{K.E. = 6 \times {10}^{5} J }}[/tex]

white blood cells that engulf and destroy pathogens

Answers

There are 2 of them :-

1) Phagocytes

2) Macrophages.

These WBCs attach themselves to disease causing pathogens & then engulf them resulting in the destruction of the pathogens.

_________

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꧁✿ ᴿᴬᴵᴺᴮᴼᵂˢᴬᴸᵀ2222 ✬꧂

Which statement best expresses a relationship between organic farming and conventional farming that is presented in the passage?.

Answers

Answer:

producing "sheer calories "

Biology cell division
What are the answers to this chart

Answers

check both of these it may help

The cell spends most of the time in the interphase, which is in the G1, S, and G2 phases, and approximately 22 hours out of 24 hours, with the rest being 1–2 hours, are spent in the division phase.

What is the time spent in the cell cycle?

The cell enters the cell cycle, and the first stage is the G1 phase, where the cell grows and spends a lot of time nearly 11 hours and then the cell enters the S phase. In the S phase, the DNA replicates and spends nearly 7 hours, and then in the G2 phase, 3 to 4 hours are spent by the cell, with the remaining 1 to 2 hours spent in the M phase, also called the mitosis or division phase.

Hence, cells spend most of the time in the interphase, which is in the G1, S, and G2 phases, and approximately 22 hours out of 24 hours, with the rest being 1–2 hours, are spent in the division phase.

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what molecule makes instructions for proteins and is located inside a eukaryotic nucleus

Answers

Answer:

DNA stores that info

Explanation:

In eukaryotic cells (ex. plants and animals) the DNA is found in the nucleus of the cell. Structures called ribosomes build proteins (this process is called translation).

The molecule that is responsible for carrying the instructions for the formation of protein is mRNA, which is formed inside the nucleus.

The mRNA is known as the messenger RNA because it acts as a messenger, to carry the instructions required to create a polypeptide chain.

The mRNA is formed during the process known as transcription. The mRNA is formed by the molecule known as RNA polymerase.

During the process of transcription, the genetic information gets copied as a strand of nucleotides containing adenine, uracil, guanine, and cytosine, known as mRNA, which is formed inside the nucleus.

The molecule which act as a carrier of the genetic information for the formation of proteins is known as mRNA.

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Which of the following statements correctly describes genes?

Answers

Answer:

Genes are made of DNA and are carried on chromosomes

Explanation:

The primary function of the stomach is which of the following?

Answers

A) to serve as a holding tank

To serve a holding tank is a primary function of the stomach.

What is Stomach?

The J-shaped organ that digests food is the stomach. It generates acids and enzymes, which are molecules that cause chemical reactions (digestive juices).

Food is broken down by this mixture of enzymes and digestive juices so that it may move to our small intestine.

A portion of the gastrointestinal (GI) tract includes your stomach. Your mouth is the beginning of the GI tract, which is a long tube. The stool (poop) exits your body through your anus. A crucial component of your digestive system is the GI tract.

Therefore, To serve a holding tank is a primary function of the stomach.

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11. What are the proteins used in active transport called?​

Answers

In active transport carrier proteins are used.

The answer  carrier proteins

Proteins contain ___ different
amino acids, whereas DNA
and RNA are composed
of different ___ nucleotides.

Answers

protein contain 23 different amino acids whereas DNA and Rna are composed of different 4 nucleotides

why is it important to study the ecology of an area?

Answers

Ecology and enriches

Explanation:

Why is it ecology important because ecology enriches our world and is cruail for a human well being and prosperity maybe..?

Blood vessel diameter fluctuates between being constricted and being dilated. This is the primary contributor to blood pressure. In order for blood vessels (arterioles) to maintain a steady pressure, there must be a prolonged presence of what ion in the smooth muscle cell's cytosol

Answers

In order for blood vessels to maintain a steady pressure, there must be a prolonged presence of CALCIUM ions in the smooth muscle cell's cytosol. This ion initiates smooth muscle contraction.

Arterioles are blood vessels that have muscular walls consisting of one or two layers of smooth muscle cells.

Calcium (Ca2+) ions start the contraction of the smooth muscle cells by binding to calmodulin protein and thereby activating myosin.

In consequence, Ca2+ ions act as a secondary messenger that activates calmodulin, stimulating the phosphorylation of the myosin light chain and thus triggering muscle contraction.

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What is cellular respiration and how does it work

Answers

Explanation:

cellular respiration, the process by which organisms combine oxygen with foodstuff molecules

7)When a body cell divides through the process of mitosis, the chromosomes in the daughter cells *

are formed when chromosomes from the parent cell cross over.
are identical to the chromosomes of the parent cell.
represent only the healthiest chromosomes from the parent cell.
represent only half of the chromosomes in the parent cell.

8)Before a cell enters mitosis, what happens to the genetic information in that cell? *

The information is duplicated.
The information is selectively mutated.
The information is halved.
The information is completely changed.

9)Which of the following best describes how mitosis is related to cellular reproduction? *

Mitosis is a phase in asexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.



Mitosis is a phase in sexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical nuclei in the daughter cells.

10)Which of the following occurs during the interphase stage of the cell cycle? I. DNA is replicated. II. The cell divides. III. The cell grows in size. *

II only
I and III only
I, II, and III
I and II only

11)A diagram of the cell cycle is shown below. Which of the following statements best describes what happens during the S phase of the cell cycle? *


The cell's chromosomes separate.
The contents of the cell divide.
The cell's DNA is replicated.
The cell prepares for mitosis.

12)At a point during a cell's development, it begins to differentiate. How does differentiation occur? *

Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
As a cell matures, genes that are not necessary to its function are ejected out of the cell through active transport.
The number of chromosomes in the cell is reduced by half; this action triggers the specialization of the cell.
A developing cell's function is determined by the number of organelles that are contained in the cell.

Answers

Answer:

are identical to the chromosomes of the parent cell

Explanation:

ilang hati ang gagawin mo sa pizza? bakit? ​

Answers

Answer:

I will make 8 slices....

because I do love it....

it depends on you and ur choice how many pieces of what type of shape you want to have...

Without land regulations to protect rainforests, and continues to be destroyed using slash and burn methods Which environmental impact of rainforest deforestation makes rainforest species less resilient to
change?
Increased fire and drought
Increased pollution
Displaced inbes
Habitat fragmentation

Answers

Answer:

Increased pollution is your answer!

Explanation:

Increased pollution is your answer because:

1. ⇒ Burning of mostly anything creats, and all the materials in the forest are one of those materials that will create smoke. And smoke is made out of carbon dioxide, and other poisonous gases that are very bad for our atmosphere.

2. ⇒ The damage from the fire will also cause a lot of damage to the trees and plants. That is very bad because trees are very important for our environment, in their leaves, they have a chemical called chlorophyll, this chlorophyll absorbs sunlight and turns it into oxygen. Not only sunlight is needed, there is also, water, nutrients needed.

I hope I could help you today! Thanks!

Have a great day studying!

fats store energy for
A. Long term.
B. Immediate use
C. muscle tissues only.

Answers

C muscle tissues only

When does osteogenesis begin?

Answers

Answer:

a. When a fetus is 13-15 weeks old

Explanation: is correct

Istanding Laws, Theories, and Hypotheses
Question 5 of 10
What does it mean that evolution by natural selection is a theory?
A. Evolution by natural selection is an educated guess about how
organisms have changed over time.
B. The results of many different studies suggest natural selection as
a common explanation of how organisms have changed over time.
C. Darwin presented this new idea, which other scientists found
useful.
D. Evolution by natural selection explains how and why organisms
have changed over time.
SUBMIT

Answers

Answer:

c

Explanation:

Explanation:

In the theory of natural selection, organisms produce more offspring than are able to survive in their environment. ... This means that if an environment changes, the traits that enhance survival in that environment will also gradually change, or evolve

Describe the role that rivers and streams play in the water cycle.​

Answers

Rivers and streams carry water, and pick up runoff water after precipitation. Rivers and streams are a source of water to be evaporated into clouds.

what is the function of the organelle identified as #6 in the picture it is mostly brown folded over and is in the lower right part of the cell

Answers

Answer:the presence of a true nucleus

Explanation:

Which of the following are molecules? (Select all that apply.)
K
MgCl2
H2
Mg
Grade -5-

Answers

Answer:

MgCI2

H2

Explanation:

any combination of elements is a molecule

Which of the following is NOT part of the non-specific immune response?
A. Inflammation
B. Phagocytosis
C. Antibodies
D. Interferons

Answers

D.Interferons. .......

D. Interferons are not a part of the non-specific immune response.

What is the function of interferons?

Interferons were first described as an antiviral thing that interferes with viral replication in mammalian cells (10). they're secreted from inflamed cells and spark off an innate immune reaction that promotes now not best cytokine production but additionally herbal killer mobile features and antigen presentation.

Interferons (IFNs) — the body's first line of antiviral defense — are cytokines that are secreted by host cells in reaction to virus infection. by using inducing the expression of hundreds of IFN-inspired genes, numerous of that have antiviral capabilities, IFNs block virus replication at many ranges.

Interferons are a circle of relatives of clearly-happening proteins which are made and secreted with the aid of cells of the immune gadget (an example, white blood cells, natural killer cells, fibroblasts, and epithelial cells).

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Help with questions in image

Answers

Answer:

A) bird

B) snake

C) grass

D) cricket

E) should be snake

im sorry i dont know what F is

Explanation:

What is a group of similar cells that perform the same function?

A. a tissue

B. an organelle

C. an organ system

D. a multicellular organism

Answers

Answer:

The answer is A. a tissue

Explanation:

Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.

What does insulator mean

Answers

As insulator is a material that doesn't transmit energy easily

what is phototropic?​

Answers

phototropic

to grow directionally in response to a light source.

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