Biology High School

In the body, red blood cells have a much shorter lifetime than cheek cells.
Use ideas about the different structure of these cells to suggest why.​

In The Body, Red Blood Cells Have A Much Shorter Lifetime Than Cheek Cells.Use Ideas About The Different

Answers

Answer 1
Red blood cells do not have a nucleus.
It does not consist of a cell membrane or a cytoplasm.
It simply only transports oxygen around the body.
Pls mark me brainliest:)

Related Questions

For questions 6-15 use one of the following choices for each question. The choices may be used more than
once. Just write the letter for the choice not the word
A. Mutualism

B. Commensalism

C. Parasitism
6. One organism is harmed in a relationship
7. Two organisms benefit from a relationship
8. A tree with a Spanish moss population is unaffected by the relationship
9. A population of mice destroys grass roots in a field
10. A plotist that lives in a termite intestine digests wood eaten by the termite
11. A small insect called an aphid harms the stems and leaves of rosebushes
12. Bacteria make Vitamin B12 in the human intestine
13. Your cat has a severe case of fleas
14. A mosquito stabs the skin on your arm and a bite develops
15. Two organisms live together, one benefits and the other is neither helped or harmed by the
relationship

Answers

6C, 7A, 8B, 9C, 10B, 11C, 12A, 13C, 14C, 15B

Which describes how to calculate density?
mass divided by volume
volume divided by mass
mass added tog volume
volume subtracted from mass
ОО

Answers

Mass divided by volume

Mitosis vs Meiosis, someone help me with this, ill give brainiest.

Answers

Mitosis: chromosome # stays same in each cell, purpose is to produce more body cells, creates 2 identical sister cells
meiosis: purpose is to produce sex cells for reproduction, creates 4 genetically different cells, chromosome # cut in half in new cells
Both: cell division, dna copied during interphase, start with parent cell
Points of differences between Mitosis and Meiosis:1. Nuclei

Mitosis gives two nuclei, and hence two cells while meiosis gives four.

2. Cells

Mitosis gives identical cells to each other and to the mother cell while meiosis leads to genetic variation due to crossing over and independent assortment.

3.Division

Mitosis includes one division while meiosis includes two.

4. Crossing over

It takes place in Meiosis while absence in Mitosis.

5. Chromosomes

Mitosis produces diploid cells (46 chromosomes) whereas meiosis produces haploid cells (23 chromosomes)

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a description of the forest ecosystem

Answers

A forest ecosystem is a natural woodland unit consisting of all plants, animals in micro organisms in that area functioning together with all nonliving physical factors of the environment. The forest ecosystem is very important

Bu soruyu yapamadım yardım edin lütfen???? ​

Answers

Answer: c

Explanation:

cheese

Two plants were being tested for growth. Both were given water and proper soil, etc. However, one was placed in the closet, and one was placed in the window sill. Why did the one in the closet die?

Question 4 options:

It did not have chloroplasts.


It was not around other plants.


It did not receive sunlight.


It was not around people enough.

Answers

Answer:

It did not receive sunlight.

Explanation:

Plants need sunlight to survive along with water and nutrients from the soil.

What type of plate boundary is illustrated in the image?

Answers

Answer:

convergent is your answer

Answer:

convergent

Explanation:

convergent is when 2 plates collide into each other

4. What is an example of positive feedback?
a. Regulating blood glucose levels

b. Maintaining internal body temperature

c. Producing milk in nursing mothers

Answers

Answer:

C

Explanation:

It is known as lactation. The suckling action of an infant produces prolactin, which leads to milk production; more suckling leads to more prolactin, which in turn leads to more lactation. This is a positive feedback system as the product (milk) produces more suckling and more hormone. When the child is no longer breast feeding, the prolactin drops off and milk production goes down.

I hit a substance with a hammer and it shatters.It is a

Answers

Answer:

non metal ,so it is brittle in nature

John Ray introduced a new method of grouping by similarities in appearance.
True
False

Answers

Answer:

true

Explanation:

Answer- True
hope this helps!!

2. What can you infer from the fact that ants make up
20 percent of the mass of all land animals combined?
a. Ants are very heavy
b. Ants live for a long time
c. Ants thrive in locations all over the world
d. Ants breed faster than any other organism on earth

Answers

D, because they are not heavy, so if they form 20 percent of the mass of all land animals combined it means that there are many ants in the world due to the fast breed

Ant breed faster than any other organism on earth, 20% of earth mass have land animals. Many ants are on the earth. Thus, option D is correct.  

What are the major features of ants ?

Ants belongs to Formicide family  which is related to so called eusocial insects like bees and termites. It is appeared in the Cretaceous period that is more than 90 million years ago.

The diversity of ants is every where except Antarctica.

The body has three parts such as  a head, a meso-some and metasoma or gaster.

Ants are mostly omnivorous but can be scavengers , predators or herbivores based on ecological context.

The reproduction in which young, queens  fly during mating time, fertilize with male, this flight is called as nuptial flight.

Then queen lay eggs, then larvae emerge to become pupae, then adults such as workers, soldiers, males or other queens are produced.

Thus, option D is correct.  

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A receptor is a set of modified dendrites of the:
a. nerve.
b. interneuron.
c. motor neuron.
d. sensory neuron.

Answers

The answer is A. A nerve

Which option states an advantage of sexual reproduction?

Answers

Answer:

The advantages of sexual reproduction: produces genetic variation in the offspring. the species can adapt to new environments due to variation, which gives them a survival advantage. a disease is less likely to affect all the individuals in a population.

I hope it's helpful!

One definite advantage of sexual reproduction is that it impedes the accumulation of genetic mutations. Sexual selection is a mode of natural selection in which some individuals out-reproduce others of a population because they are better at securing mates for sexual reproduction.

The vocal cords stretch across the opening of the larynx. True or false??

Answers

Answer:

True

Explanation:

Vocal cords are bands of smooth muscle tissue located in the larynx. When air passes through, the vocal cords vibrate.

Answer: True

Explanation:

The vocal folds, also known popularly as vocal cords, are composed of twin infoldings of mucous membrane stretched horizontally across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation.

*EXTRA PTS* How much weight is needed for a 10 m high ball to achieve 400 J of potential energy?

Answers

Answer:

,Mass of the Body = 10 kg.

Height = 10 m.

Acceleration due to gravity = 9.8 m/s².

Using the Formula,Potential Energy = mgh

= 10 × 9.8 × 10 = 980 J.

(b). Now, By the law of the conservation of the Energy, Total amount of the energy of the system remains constant.

∴ Kinetic Energy before the body reaches the ground is equal to the Potential Energy at the height of 10 m.

∴ Kinetic Energy = 980 J.

(c). Kinetic Energy = 980 J.

Mass of the ball = 10 kg.

∵ K.E. = 1/2 × mv²

∴ 980 = 1/2 × 10 × v²

∴ v² = 980/5

⇒ v² = 196

∴ v = 14 m/s.

3. Yes - At maximum stretch the ball stops. The ball is now 2 meters plus x below the starting point where x is the stretch distance down. The total energy is all potential in the springs and gravitational and is m g (2 + x)

Explanation:

What characteristic do sea stars and brittle stars have in common?

Both have flexible joints.
Both have teeth-like feeding structures.
Both use tube feet to catch prey.
Both have tentacles.

Answers

Answer:

They typically have a tough, spiny surface, which inspired their name (in Greek, echinos means “spiny” and derma means “skin”). They also have the unusual ability to regrow lost body parts, and sea stars and brittle stars can regrow arms if broken off or eaten

Explanation:

Sea stars and brittle stars both use tube feet to catch prey. Therefore, option C is correct.

What are sea stars and brittle stars?

Echinoderms with a star form that belongs to the class Asteroidea are known as starfish or sea stars. These terms are frequently used incorrectly to refer to ophiuroids, which are properly called brittle stars or basket stars in common usage. Due to their membership in the class Asteroidea, starfish are also referred to as asteroids.

The benthic (bottom-feeding) fauna of the maritime environment includes brittle stars. They belong to the Phylum Echinodermata, which includes marine organisms with radial symmetry, five components, and frequent spines. They are commonly referred to as echinoderms.

Sea stars and brittle stars both use tube feet to catch prey. Therefore, option C is correct.

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pls help and only answer if you can please

Answers

Answer:

A

Explanation:

I got this by process of elimination because I know all those other answers are wrong

Answer:

I think the answer is A.

6.______________________ is a special type of muscle found only in your heart and causes your heart to beat.

smooth muscle
skeletal muscle
cardiac muscle

Answers

Explanation:

the answer is C cardiac muscle I'm pretty sure this is the correct answer

How are the functions of the endoplasmic reticulum and the Golgi apparatus related? A. Golgi apparatus receives proteins and other materials from the endoplasmic reticulum, packages them, and distributes them to vacuoles. B. The nucleus directs the cell's activity, including any transfer of material between the endoplasmic reticulum and the Golgi apparatus. C. Proteins and other substances made in the endoplasmic reticulum are stored, packaged, and distributed by the Golgi apparatus. D. In order to function, both plant and animal cells require an endoplasmic reticulum and Golgi apparatus.

Answers

Answer:

Proteins and other substances made in the endoplasmic reticulum are stored, packaged, and distributed by the Golgi apparatus

Which of the following IS
an example of reproductive isolation?
O two populations
of finches that cannot produce viable offspring
O two populations of finches that have different feather colors
• two populations of salamanders that live in different lakes
O two populations of salamanders that
have different tail lengths

Answers

An example of reproductive isolation is two populations of salamanders that live in different lakes. Thus, the correct option is C.

What is Reproductive isolation?

Reproductive isolation may be defined as the inability of a species to interbreed successfully with related species members due to isolating mechanisms.

Reproductive isolation may leads to speciation. A single specie scan generates multiple species via reproductive isolation. The members of the same species undergo reproductive isolation due to several isolating mechanisms.

The isolating mechanisms include geographical, behavioral, physiological, or genetic barriers.

Therefore, the correct option for this question is C.

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Four differences between viruses and bacteria​

Answers

Answer:

bacteria :

1. need microscope to see them.

2. need warmth moisture nutrients.

3. saprophyte or parasite.

4. can be harmful or useful.

viruses:

1. smaller than bacteria.

2. spend on living host.

3. always parasite.

4. where is harmful.

Which food chain represent one way that energy my flow through this ecosystem?

Answers

Answer:

its a metal chain not a food chain, (steel to be more specific)

Explanation:

Answer:

A

Explanation:

Which gas is released during the light reactions of photosynthesis?
A. Carbon dioxide gas
B. Oxygen gas
C. Nitrogen gas
D. Methane gas



A species of bacteria is found deep within the Earth’s crust. Which process will the bacteria use to obtain energy?
A. Cellular Respiration
B. Photosynthesis
C. Lactic Acid Fermentation
D. Alcoholic Fermentation

Which of the following is not a reactant needed for photosynthesis?
A. Sunlight
B. Oxygen
C. Carbon Dioxide
D. Water

Answers

Answer:

B for your first question.

A for your second question.

B for your third question.

Explanation:

I hope this helps!

Why is writing on word better than writing on a sheet of paper?

Answers

Answer:

because on paper your hand wrighting is bigger and you go through more sheets and on word it has auto correct and auto save and suggestions

Explanation:

can i have brainlyest

Answer:

Writing in Word is more convenient

Explanation:

Word has a host of text, correction software it suggests proper grammer and spelling and can format your doucument.

What is the name of the site of transcription?

1. Amino acid
2. Nucleus
3. Cytoplasm
4. Mitochondria

Answers

The eukaryotic nucleus therefore provides a distinct compartment within the cell, allowing transcription and splicing to proceed prior to the beginning of translation. Thus, in eukaryotes, while transcription occurs in the nucleus, translation occurs in the cytoplasm.
The Nucleus is where transcription occurs.
B. Nucleus

hope this helps

where is the gene found?
what's the function of the gene?
what's the structure of the gene?

Answers

Answer:

gene found in the Dna its in the nucleus

HELPPP!!! I'm confused!!

Answers

option c

Glycolysis , Krebs cycle , electron transport chain

‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎ ‏‏‎

Answers

Answer:

answer :

Explanation:

Explanation:

Where can the process of lactic-acid fermentation be found

Answers

Answer:

Lactic fermentation is a minor process which occurs after glycolysis in anaerobic respiration.

Explanation:

In it, an enzyme found in most every organism called lactate dehydrogenase catalyzes a reaction between the NADH produced from glycolysis with the pyruvate molecules to create the NAD+ necessary to begin glycolysis

How would you define informed consent?
[Type answer here]

Answers

Informed consent is permission granted in the knowledge of the possible consequences, typically that which is given by a patient to a doctor for treatment with full knowledge of the possible risks and benefits.
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