Biology High School

Gerald is lightheaded and tired from a lack of oxygen in his tissues.

What is most likely the reason he feels this way?

His plasma level is high.

His white blood cell count is high.

His platelet count is low.

His red blood cell count is low.

Answers

Answer 1

Answer:

His red blood cell count is low

Related Questions

Why can't humans regrow limbs?

Answers

Answer:In fact, most of our organs have some turnover in cells, which explains why they're younger than our biological age. The human heart, skin, intestines, and even our bones are slowly replaced over time, meaning that a limited amount of damage can be reduced. However, this doesn't extend to limbs.

Explanation:

Answer:

Humans have stem cells, but they aren't readily available to assist in healing. Because most other mammals are similar, they aren't very good at regeneration. Amphibians and some fish have more readily available stem cells, which are usually rather good at regeneration.(please mark brainliest <3)

Explanation:

what factors do you predict might influence the likelihood of mutations occurring in viruses?

Answers

The factors which might influence the likelihood of mutations occurring in

viruses is Spontaneous nucleic acid damage and replication inhibition.

Viruses are pathogenic micro-organisms which mutate rapidly than the

humans do. Its ability to mutate very rapidly inside the host cells is what

makes it unique and deadly.

Factors which might influence mutations in Virus include nucleic acid

damage and replication inhibition. When this occurs, the virus isn't able to

mutate thereby causing less damage to the host.

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Which part of the cell does this illustration represent?


Calvin cycle center


mitochondria


cytoskeleton


endoplasmic membrane system

Answers

Answer:

Mitochondria

Explanation:

The mitochondrion is an organelle found in both animal and plants cells. However, it is not found in prokaryotic cells. The mitochondrion is most famously known as the powerhouse of the cell because it produces ATP. The defining visual feature of mitochondria is the wavey-like pattern within the organelle.

What percentage of the earth’s land and what percentage of the earth’s oceans have been disturbed by human activities?

Answers

Answer:

the first 1 :)

Explanation:

how does the cell make proteins inside the ribosome

Answers

Answer:

23

Explanation:

In an experiment you, the researcher, remove calcium ions from the system. What would be a likely consequence of the lack of calcium on muscle contraction

Answers

Answer:

Wish I could help

Which group lists the levels of genetic information in order from smallest to largest.

Answers

Smallest to Largest:

1. Nucleotide

2. Gene

3. Chromosome

4. Genome

Nucleotide, Gene, Chromosome and Genome is the levels of genetic information in order from smallest to largest.

What is Chromosome?

Chromosomes are the thread-like structure made up of protein (histones) and a single molecule of DNA which carries all the genetic information in it. It is located in nucleus.

Human have 23 pairs of chromosomes including pairs of 22 chromosomes (i.e. Autosomal Chromosomes) and 1 pair of Sex Chromosome (XX or XY).

Each pair contain two Chromosomes inheriting from the parents, half from mother and another half from the father.

Each chromosome have a point which is constricted in the middle known as Centromere, which divides chromosomes into two arms i.e. short arm “p” and long arm “q”.

Thus, Nucleotide, Gene, Chromosome and Genome is the levels of genetic information in order from smallest to largest.

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what is importance of Active transport in animal???​

Answers

Answer:

I don't think so

Explanation:

transport animals can change everything to others

NEED HELP NOW PLEASE

Answers

Answer:

"shown on the opposite page"

Explanation:

put that picture too

A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body fluids, distilled water, equal to the volume of blood lost, is transferred directly into one of his veins.



What will be the most probable result of this transfusion?



A.
It will have no unfavorable effect as long as the water is free of viruses and bacteria

B.
The patient’s red blood cells will burst because the blood fluid is hypertonic compared to the cells

C.
The patient’s red blood cells will shrivel up because the blood fluid is hypotonic compared to the cells

D.
The patient’s red blood cells will swell because the blood fluid is hypotonic compared to the cells

Answers

Answer:

I think its B. because the patients red blood cells will burst because the blood is hypertonic compared to the cells

When mRNAs are being translated simultaneously by multiple ribosomes, the structure is known as a(n) polytene. polyribosome. polycistron. operon. copolymer.

Answers

Answer:

polysomes or polycistron

Explanation:

when multiple ribosome attach to single mRNA

An airtight, temperature-controlled glass box containing actively growing tomato plants was placed under a light source. Plastic wrapping that only transmits green light was placed over the box, and two days later air samples from inside the box were collected and analyzed. The most likely change in air quality is:

Answers

The most likely change in air quality is a decrease in carbon dioxide (CO2) present in the box.

Photosynthesis is the process by which green plants produce their own food in the presence of light and carbon dioxide. The most important indicator of air quality is carbon dioxide. This gas is removed during photosynthesis.

This implies that after two days, analysis of the air samples from the pot will definitely indicate a large decrease in the amount of carbon dioxide present in the box.

Missing parts;

An airtight, temperature-controlled glass box containing actively growing tomato plants was placed under a lightsource. Plastic wrapping that only transmits green light was placed over the box, and two days later air samples frominside the box were collected and analyzed. The most likely change in air quality isa. an increase in nitrogen (N2)b. an increase in carbon dioxide (CO2)c. an increase in oxygen (O2)d. a decrease in carbon dioxide (CO2)

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Compare the transformation of a bacterium cell with the transformation of a plant cell. ​

Answers

Answer:

Compare the transformation of a bacterium cell with the transformation of a plant cell. ​

Explanation:

Where is the center of the cold air mass? ( name the region of the state near the center)

Answers

The center of this air mass is a high pressure center located in northern Montana

how are humans responsible for environmental pollution​

Answers

Answer:

Humans are responsible for the environmental pollution in many ways . Some of the points are as follows :

1 ) People throw the wastes wherever they like instead of using dustbins .

2 ) The various types of gases from the industries which harms the nature .

3 ) Cutting off the trees . ( people can cut but also must plant a new one )

4 ) Farmers using different chemical substances in high amount in the crops .

5 ) Burning plastics , tires etc .

This was my way to answer the question , if you need then you can write in paragraph .

let me know if its incorrect . :-)

The main structural distinction between the left atrium and the right atrium is that the left atrium has the _____, and the right atrium does not.
a. auricle
b. pectinate muscles
c. cardiac muscles
d. chordae tendinae

Answers

Given our understanding of cardiac anatomy, we can confirm that the main structural distinction is that the right atrium has the pectinate muscles, while the left one does not.

Firstly, we must address that there is a wording issue with the question. In reality, it is the right atrium that contains the pectinate muscles. The remaining options either correspond to both atrium, or neither.

The auricle is another word for ear. This is a cavity present on both the right and left atrium which allows them to extend their blood carrying capacity in situations of need. This option cannot be correct for the question since both atria possess one.

As for options b and c, cardiac muscle is present in the entirety of the heart. Cardiac muscle is the muscular cells that make up every wall and cavity of the heart and allow it to complete its unique function. Chordae tendinae, are fibers present in the ventriculus that attach the walls to the tricuspid valve, these are not present in either of the atria.

Therefore, we can confirm that though the wording is off, the intended correct answer is pectinate muscles, given that the right atrium is characterized by their presence, whilst the left atrium contains few, if any, of these muscles.

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Answer: Auricle

Explanation: Just took the test

a/an ___ is a blood clot attached to the interior wall of a vein or artery.

Answers

Answer: a thrombus

A thrombus may also form in your heart

A thrombus is a blood clot attached to the interior wall of a vein or artery, which is option a. So the correct option is option a, as thrombus formation occurs when blood coagulation factors are activated and form a clot within a blood vessel.

Thrombi can occur in veins (venous thrombosis) or arteries (arterial thrombosis). In veins, a thrombus can lead to deep vein thrombosis (DVT), which commonly occurs in the lower extremities. If a thrombus dislodges from its site of origin and travels through the bloodstream, it is called an embolus, and it can potentially cause an embolism in another location. So the correct option is option a.

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a/an ___ is a blood clot attached to the interior wall of a vein or artery.

A. thrombus

B. artery

at what point during meiosis do homologous chromosomes pair up?

Answers

Answer:

Prophase 1

Explanation:

In prophase 1, homologous chromosomes pair up and exchange sections of DNA in a process called crossing over.

Explanation: Pairing of homologous chromosomes occur during prophase 1. This is also known as synapsis. During synapsis there is crossing over too.

What is the term for the breakdown of glucose in the presence of oxygen?

anaerobic

cellular respiration

fermentation

photosynthesis

Answers

Answer:

Cellular respiration

Explanation:

Cellular respiration involves the breakdown of glucose using oxygen to produce energy, or ATP, that is used by the cell

In which process are glucose and oxygen the reactants?


cellular respiration


photosynthesis


ATP production


ADP production

Answers

Answer:

Cellular Respiration is the process in which glucose and oxygen are the reactants

Need help, will give Brainliest to right answer.


Yeast is added to bread dough because the gas released during respiration makes air pockets and give the bread a fluffy texture. Your friend tries to make bread using yeast, flour, water, and salt. The bread comes out flat. What ingredient is missing?

Answers

Answer:

I would say either oil or eggs?

Explanation:

Only rely on this answer if you're desperate! I don't know...

the middle primary brain vesicle, the mesencephalon, gives rise to which adult brain structure?

Answers

The midbrain

The term mesencephalon means "midbrain." As it develops from a primary brain vesicle to a secondary brain vesicle and finally an adult brain structure, it retains its name--the midbrain.

Which of the following statements correctly describes genes?

Answers

Answer:

Genes are made of DNA and are carried on chromosomes

Explanation:

which of the following is an example

Answers

Answer:

it is b because rest are biotic and also cause it is the only biotic thing available

Explanation:

I know it is right

B. Cool crisp temperature

100!!! Points
Part A
Tectonic plate movement is the reason why northern California has a very different landscape than southern California. Two different tectonic plates, each moving in different directions, border the western side of the North American Plate. Use the map to identify the two tectonic plates that border the North American Plate to the west.

map of the world's major and minor tectonic plates


Part B
On the map, take a close look at the boundary along southern California and Mexico’s Baja California Peninsula. The arrows on the map show the direction and speed of the plates along this boundary in millimeters per year. Based on the speed and direction of the arrows, identify the type of plate boundary at this location. Which landforms or events are likely to occur there as a result? (Hint: It may be helpful to model the motion of the plates using your hands or pieces of paper.)

a map of North America with the fault lines marked

Answers

Answer:

Where's the map?

Explanation:

Is there something missing? I don’t fully understand m

In order to detect an odor, molecules must first dissolve in the ____________ before they bind to the receptor sites of the ____________ .

Answers

For an individual to detect an odor then molecules must first dissolve in the

mucus before they bind to the receptor sites of the olfactory hairs.

The nose is the organ responsible for smelling and it possesses key

components such as the mucus found in the olfactory epithelium and

receptors found in the olfactory hairs for processing the type of smell to the

brain.

When individuals inhale substances, they are dissolved in the mucus to aid

their binding to the receptors and their subsequent relay of the signal to the

brain for processing.

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Describe the structures within cells that govern heredity, and describe where they are located. Make sure to have 5 sentences which have to be all on topic use great grammar along with great vocabulary usage.


!!PLEASE ANSWER CORRECTLY!!

Answers

Within cells, the long strands of DNA form condensed structures called chromosomes. Organisms inherit genetic material from their parents in the form of homologous chromosomes, containing a unique combination of DNA sequences that code for genes. cell nucleus
DNA is the hereditary material in humans and almost all other organisms. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA). DNA contains the code for building and maintaining an organism.

Answer:

The structure that is responsible for the governance of a cell is the DNA, which is located in the nucleus of the cell.

Explanation:

DNA: It is the genetic material containing genetic information.It is present in the chromosomes inside the nucleus. The genetic information of DNA is stored as code in the four nucleobases namely Adenine, Guanine, Cytosine, and Thymine. The most unique feature of the DNA is that it is self-replicated and makes similar copies of itself. DNA is a double helical structure found in all living organisms including some viruses.In Eukaryotes along with the nucleus, DNA is also present in Mitochondria and Chloroplasts.

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one type of virus that infects bacteria is called a

Answers

Answer:

Bacteriophage:  A virus that infects bacteria, also called a phage.

Explanation:

EXPLAIN two ways in which a leaf can adapt to maximize of photosynthesis.

Answers

Answer:

"Large surface area for maximum light absorption. The presence of chlorophyll containing chloroplast. Thin structure Short distance for carbon dioxide to diffuse into leaf cells."

Answer:

Photosynthesis is made possible by the adaptations of the leaf, which include a large surface area for optimum light absorption and the existence of chlorophyll-containing chloroplasts.

Explanation:

The two ways are in bold letters:)

PLEASE FILL THIS OUT PLEASEE I'LL GIVE A BRAINLIEST IF YOU WANT

Answers

Answer:

The third one is monoeye leggatros, the first one is multieye armituou, the last one is multieye ituous, and the second one is monoeye gastros!!

Explanation:

they’re not in order, but these are the correct answers :))

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He scrambled to his feet, his fingers clawing the asphalt, stumbled on, sounds filling his ears... shriek of a locomotive whistle...coming up, rising to a pitch, and going away...he turned the corner into the street that was at right angles to the one he had come down from the Slaughter House gates...he was running blind before, reacting to the compulsion of his fear...but now he saw his objective and it lent his effort purpose...a long line of freight cars was coming down from the railway yard along the lines that ran across the street, going towards No. 1 Pier. The gates were lowered across the street stopping traffic; all he had to do was to get across the lines before that string of freight cars. They would cut off his pursuit for the time it would take that long train to cross the street. Trains always slowed down going into the dockyard; sometimes stopped, straddling the street. All he had to do was to get across. The man operating the gate yelled at him. He paid no heed. 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When you submit this form, the owner will see your name and email address.Required1.The word "pack" in line 1 of the passage best suggests that:(1 Point)the man was being chasedhis pursuers were like houndsthere were others racing with himhe was leading his competitors2.The vivid description of the women in lines 2 to 3 is significant primarily because(1 Point)it lends relief to the tension of the sceneit makes the writing more picturesqueit appeals to the reader's sense of humourit shows the absurdity of the incident3.The phrase "concerted cry" (lines 1 to 2) most nearly means(1 Point)a rythmic soundall shouting at the same timean outburst at a stage performancea cry of defeat4.The expression "God knows where" (lines 5 to 6) best indicates(1 Point)that the man had nowhere to gothere was confusion in the runner's mindthat he was fleeing from the lawthat he needed God's guidance5.The repetition of the word "run" in line 5 of the passage best suggests(1 Point)the earnestness of the runneran exaggerated picturethe urgency of the runningthe futility of the running6.The words "scrambled" and "stumbled" (paragraph 2) show best that the victim was (1 Point)in a confused state of mindtired and worn outexperiencing difficulty in runningclutching at straws for safety7.By the frequent use of the triple dots in paragraphs 2 and 4 of the passage, the writer intends to achieve(1 Point)better communication with his audiencea detailed description of the scenegaps in rendering the experiencingthe mounting excitement and tension of the scene8.The paragraph in which the runner experiences the most tension is (1 Point)21349.The word shriek used in paragraph 3 appeals to which of the following senses:(1 Point)sighthearingsmelltouch10.What do you think is the runner's objective?(1 Point)Reaching the railway yardGoing to No 1 PierGetting into the trainCrossing the train line11.The expression "cut off his pursuit for the time" (line 13) means(1 Point)he would stop running for a whilethey would stop chasing him temporarilyhe would have time to escapethere would be no need to run12.The expression "balanced it in his mind to a nicety" (line 16) means most nearly(1 Point)considered it carefullycame to a favourable conclusionkept pondering in a optimistic waywas in a state of uncertainty13.The words "straddling" and "hurtling" in the passage convey most nearly(2 Points)an unhurried and leisurely paceaccelerated movementopposite speedsthe temper of the man running14.The style of writing in this extract can best be described as:(1 Point)descriptiveargumentativeexpositorynarrative Can someone answer this with a short clip of singing a song for 100 points and Branielist. 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