Words to Know Write the letter of the definition next to the matching word as you work through the lesson. You may use the glossary to help you. eukaryote A. A protective layer surrounding a cell that controls what enters and leaves the cell spore B. An organism composed of one or more cells that contain nuclei cell membrane C. A reproductive cell that is resistant to harsh conditions and capable of developing into an adult without fusing with another cell prokaryote D. A single-celled organism that lacks a nucleus and membrane-bound organelles

Answers

Answer 1

Answer:

Statement A - cellular membrane

Statement B - eukaryote

Statement C - spore

Statement D - prokaryote

Explanation:

The cell membrane is a protective layer present around the cell and cell organelle that regulates and allows different molecules to enter and exit to regulate homeostasis.

Eukaryotes are the organism that can be unicellular or multicellular with the cells contain a nucleus in it.

Spores are reproductive cells that has a resistant layer that protects the cell from an unfavorable condition and capable to form an adult.

An organism that is unicellular and lacks the nucleus is known as a prokaryote and bacteria is an example of such organisms.


Related Questions

what is the meaning of solvent​

Answers

Answer:

Solute is the substance that dissolves and solvent is the liquid in which the solute

Explanation:

____ is i five carbon sugar found in dna

Answers

Answer:

deoxyribose

Explanation:

The pentose sugar in DNA is called deoxyribose, and in RNA, the sugar is ribose.

What is the advantage of sexual reproduction?
what is the advantage of sexual reproduction?

Answers

Answer:

The advantage is that it creates a new generation and furthers the growth of a species.

Explanation:

Cell that has a nucleus but not a wall would best be described as

Answers

Answer:

organell

Explanation:

Answer:

Animal cell

Explanation:

Animal cells do not have a cell wall but have a nucleus

What organ system is responsible for transporting oxygen to your cells?
Respiratory system
Heart
Circulatory system
Lungs

Answers

Answer:

Circulatory system

Explanation:

Answer:

Circulatory system

Explanation:

Because Respiratory system gets you oxygen but the Circulatory system gets the oxygen to the cells.

Hope this helps

What would happen if the enzyme used for cellular respiration or photosynthesis to break after a few cycle? Why?

Answers

Answer:

Please mark as brainliest!!!

Explanation:

Cells face a related problem when they break down fuels, such as glucose, to produce ATP. If the cell’s supply of ATP is low, it would do well to break down glucose as quickly as possible, replenishing the ATP it needs to “keep the lights on.” If the supply of ATP is high, on the other hand, it might not be such a good idea to oxidize glucose at top speed. ATP is an unstable molecule, and if it sits around in the cell too long, it’s likely to spontaneously hydrolyze back to ADP. This is like the case of the melted ice cream sandwich: the cell has spent glucose to make ATP, and that ATP ends up going to waste.

It’s important for a cell to carefully match the activity of its fuel breakdown (pathways to its energy needs at a given moment. Here, we'll see how cells turn cellular respiration pathways “up” or “down” in response to ATP levels and other metabolic signals.

A manufacturing factory is accused of emitting high levels of CO2 into the ecosystem. The factory burns coal to heat steel
drums. The factory uses lake water to cool the drums. The water is poured over the drums and then emptied back into the
lake
Scientist A claims the factory is responsible. The burning of coal releases excess CO2 into the atmosphere. This excess CO2 is
transferred to all areas. The CO2 is not lost throughout the system.
Scientist B clams the factory is not responsible. The CO2 is released directly into the atmosphere, not into the lake. The CO2 is
lost into the upper layers of the atmosphere and not cycled back into the ecosystem
The model represents the cycle of carbon in the atmosphere. Which key issue illustrated in the model would best support Scientist
A's claim?
A)
The model shows a factory creating excess levels of CO2
B)
The model depicts a continuous cycle. An increased level in one area will
increase levels throughout.
The model depicts multiple cycles. The atmospheric cycle would show an
increased level of CO2
The model shows high levels of carbon in the lake. Any change to this level
will have a greater impact on the atmosphere.
D)

Answers

The key issue that must be illustrated in the model and best support Scientist A claim is as follows:

The model depicts multiple cycles. The atmospheric cycle would show an increased level of CO2.

Thus, the correct option is C.

What is an Ecosystem?

An ecosystem may be defined as a place or an area in which individuals of different species live together and interacts with one another for the purpose of food, shelter, and space.

According to Scientist A, the factory is responsible for the excess level of carbon dioxide in the atmosphere. This is absolutely true because the factory burns coal that liberated a high amount of CO2 into the environment.

Apart from this, the factory uses lake water to cool the drums. The water is poured over the drums and then emptied back into the lake. This increases the concentration of CO2 in the lake as well.

Therefore, the correct option for this question is C.

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i need help please ​

Answers

Answer:

can't really see the questions pls do it a different angle

How does a radio use radiant energy

Answers

Electromagnetic waves carry energy

Answer Explanation:

A radio uses an electromagnetic energy in the form of radiant energy. This is an invisible energy in the form of radio waves that can travel through space.

When it comes to radio, the radio waves are received by the radio tuner. It is then converted into sound waves that are audible to the human ears. Unlike the other electromagnetic radiation, the radio waves are harmless since they do not cause any harm to the human body. This is the reason why, it is more commonly used for telecommunications and toys controlled by remote.

Which option best explains how thermal equilibrium interacts with heat transfer between particles

Answers

Answer:

partners partners or been to the into something that is only one that can be used at

10. When we breathe in the muscles below the rib cage is pulled down, and air gets suck
into the rib cage, filling the lungs, what is this muscle called?
a. Diaphragm
b. Lung
c. Stomach
d. Trachea​

Answers

Answer:

diaphragm

Explanation:

Answer:

B

Explanation:

What happened to the water in the 1st stages of photosynthesis?

Answers

The water realeases and forms into oxygen gas and hydrogen ions

Answer:

The energy of the sunlight is absorbed by the chloroplast. The water reacts in sunlight to form one glucose molecule and the water releases oxygen as that is part of it's role.

Explanation:

In an example food chain, mice only eat plants, and then snakes eat the mice. These snakes are examples of consumers.​

Answers

Answer:

yes beacuse it cant produce food themselves they depend upon other for food

guys please help me for this question!

What happens to the surface of a cell as its volume increases?

A. It’s surface area decreases
B. It’s surface area decreases by the same proportion
C. Its surface area increases by the same proportion.
D. Its surface area also increases, but not as much as the volume

Answers

Its A. Its surface area decreases

pls help me I don't understand this​

Answers

Answer:

D

Explanation:

the organism belongs to kingdom protoctista it is called amoeba

the characteristics stated in d are those of members of kingdom protoctista.

When a cell undergoes mitosis, the resulting daughter cells-

Answers

Answer:

a

Explanation:

Answer:

I believe it's the last one! :)

Explain the relationship between mutations adaptations, natural selection
and extinction

Answers

Answer:

Natural selection is where positive traits survive more, allowing those to become more common. Mutation is where radioactivity changes genes in a random way. Natural selection allows positive mutation to become more common. Adaptation is where natural selection works for a species specifically more a new habitat.

Explanation:

Giraffes are herbivores that initially had shorter necks. They are found in grasslands and areas where trees grow tall. To feed on leaves from tall trees, giraffes had to stretch their necks. This behavior paved the way for
of giraffes with longer necks. A giraffe’s long neck is a
adaptation.

Answers

This behavior paved the way for natural selection of giraffes with longer necks. A giraffe’s long neck is a structural adaptation.

Which domain includes organisms that are called extremophiles (organisms which live in extreme environments)?

Answers

Answer: archaea

Explanation:

Most extremophiles are microorganisms (and a high proportion of these are archaea), but this group also includes eukaryotes such as protists (e.g., algae, fungi and protozoa) and multicellular organisms. Archaea is the main group to thrive in extreme environments.

Archaea domain includes organisms that are called extremophiles (organisms which live in extreme environments).

What are the characteristics of archaea?

Archaea is a domain of single-celled organisms. These microorganisms lack cell nuclei and are therefore prokaryotes. Archaea were initially classified as bacteria, receiving the name archaebacteria.

The common characteristics of Archaebacteria known to date are these: (1) the presence of characteristic tRNAs and ribosomal RNAs; (2) the absence of peptidoglycan cell walls, with in many cases, replacement by a largely proteinaceous coat.

If there is an overgrowth of another organism called Archaea, then the symptom picture can be very different. There can still be bloating, abdominal pain and cramping, but Archaea usually cause constipation, not diarrhea.

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How do active and passive transport help a cell respond to changes in the environment?

Answers

- both transport things across the cell membrane
- help the membrane maintain homeostasis

Active and passive transport help a cell in responding to the changes in the outside environment as both of these processes help in transporting substance into and out of the cell and maintaining the homeostasis in cell.

What is Cellular transport?

Cellular transport is the process of transportation of substances into and out of the cell. Cellular transport includes different processes such as active and passive transport. The active transport requires energy for transporting substances against the concentration gradient and the passive transport does not require energy as the substances move in the direction from high concentration to low concentration of solutes.

The transport of substances which are required by the cell and excretion is possible through active and passive transport. these processes helps in maintaining homeostasis in the cell.

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Which of the following is not a freshwater ecosystem? a. lakes b. rivers c. seas d. springs Please select the best answer from the choices provided A B C D

Answers

Answer:

c. seas

Explanation:

as they are salty and contain impurities.

Answer:

I got c correct

Explanation:

hi I'm lonely are you lonely

Answers

Answer:Very much so. But that is by my own choice so I am good with it.

Explanation:Choose to be or to not be lonely.

Answer:

YUP!!!!!!!!!!!

Explanation:

FRIENDS PLS!!!!!!!!!!

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of _____ amu

Answers

Answer:

The answer is 13

Explanation:

To find the amu you have to add the # of protons to the # of neutrons.

Why do scientists use the International System of Units (SI)?
A. because the SI is based on the metric system
B. because the tools scientists use only measure in SI units
C. so they can communicate their results without confusion
D. so all scientists are guaranteed to come up with the same measurements

Answers

Answer:

It should be answer C.

Explanation:

The main reason to create SI units was to be able to communicate everyone's results internationally, and because we all you different units, the SI units fixed that.

Hope this helped.

I am pretty sure is A man

What do biogeochemical cycles represent?

Answers

The biogeochemical cycle of water, or the hydrological cycle describes the way that water (Hydrogen Dioxide or H 2 O) is circulated and recycled throughout Earth’s systems. All living organisms, without exception, need water to survive and grow, making it one of the most important substances on Earth.

hope that helps

Biogeochemical cycles represent the main system where the energy of the Sun is converted into the energy of chemical compounds by living beings and the products of their activity.

What is Biogeochemical cycle?

A biogeochemical cycle is defined as the path by which a chemical substance cycles through the biotic and abiotic compartments of the Earth where the biotic factor is the biosphere and the abiotic factors are the atmosphere, hydrosphere and lithosphere.

Nutrients cycle occur through organic components as well as abiotic components. In biosphere the term bio refers to biotic components while 'geo' refers to abiotic components. Therefore, nutrient cycles in nature are called biogeochemical cycles.

Thus, Biogeochemical cycles represent the main system where the energy of the Sun is converted into the energy of chemical compounds by living beings and the products of their activity.

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What is not a monomer of disaccharide

Answers

Answer:

A disaccharide is a carbohydrate polymer composed of two sugar monomers (monosaccharides) which are joined by a glycosidic bond formed by a condensation reaction.

Answer:

Explanation:

Disaccharide is a sugar, the prefix Di means 2, the prefix mono means 1, so 2 monosaccharides is 1 disaccharide. Long chains of monosaccharides make polysaccharides(more than 2).

The monomers of proteins are amino acids

The monomers of Carbohydrates are monosaccharides

There are no monomers to Lipids

The monomers of Nucleic acids are nucleotides

Scientists core a Redwood tree in the California Redwood forest. The core of this particular tree has 1115 rings. How old is the tree in years?

Answers

Answer:

1115 years.

Explanation:

One ring equak one cycle year.

what are the main pros of cloning

Answers

Answer:

Pros of Cloning

1. Help to Eliminate Defective/Weak Genes.

2. It is a Logical Step in Reproductive Technology.

3. It’s an Invention that can Change the Globe in a Positive Way.

4. Improve Recovery in Traumatic Injuries.

5. Bring out a New and Genetically modified Genes.

6. Eliminate Infertility.

7. Cures Disorders.

Explanation:

Albison Energy

Sources:

Blackall LL, Burrell PC, Gwilliam H, Bradford D, Bond PL, Hugenholtz P. The use of 16S rDNA clone libraries to describe the microbial diversity of activated sludge communities. Water Science and Technology. 1998 Jan 1;37(4-5):451-4.

LaBar M. The pros and cons of human cloning. Thought: Fordham University Quarterly. 1984 Aug 1;59(3):319-33.

Cerf NJ, Grangier P. From quantum cloning to quantum key distribution with continuous variables: a review. JOSA B. 2007 Feb 1;24(2):324-34.

It can help prevent the extinction of species. As many organisms in the planet approach endangerment and extinction, cloning appears to be a possible solution to restore populations. ...
It can help increase food production. ...
It can help couples who want to have children.

(will give brainliest if correct)

Which resource is sometimes unpredictable in terms of energy production?

coal
wood
gasoline
natural gas

Answers

Answer:

Coal and/or wood

I believe the answer is wood

Have a nice day / night!

helppp plzzzz
what is the relationship between atmospheric pressure and the density of gas particles in an area of decreasing pressure?
A. as air pressure in an area decreases, the density of the gas particles in the area increases and decreases in an alternating pattern.
B. as air pressure in an area decreases the density of the gas particles in the area increase.
C. as air pressure in an area decreases, the density of the gas particles in that area remains constant.
D. as air pressure in an area decreases the density of the gas particles in that area decrease.

Answers

Answer:

As air pressure in an area increases, the density of the gas particles in that area increases.

Explanation:

Other Questions
During the first month of operations ended August 31, Kodiak Fridgeration Company manufactured 48,000 mini refrigerators, of which 44,000 were sold. Operating data for the month are summarized as follows: 1 Sales $8,800,000.00 2 Manufacturing costs: 3 Direct materials $3,360,000.00 4 Direct labor 1,344,000.00 5 Variable manufacturing cost 816,000.00 6 Fixed manufacturing cost 528,000.00 6,048,000.00 7 Selling and administrative expenses:8 Variable $528,000.00 9 Fixed 352,000.00 880,000.00 Required: a. Prepare an income statement based on the absorption costing concept.b. Prepare an income statement based on the variable costing concept.c. Explain the reason for the difference in the amount of income from operations reported in (1) and (2). What present-day country adopted the Byzantine Cyrillic alphabet? Select the correct answer.To bake one cake, Drew uses 18 ounces of flour. He has 850 ounces of flour. Let y represent the ounces of flour left and x represent the number of cakes he has baked. When the situation is modeled on a graph, what are the slope and the y-intercept of the line representing this situation?A. slope = 850 and y-intercept = 18B. slope = 18 and y-intercept = 850C. slope = -18 and y-intercept = 850D. slope = 850 and y-intercept = -18 Moses Austin was the first American to get aland grant to move from where and settle inTexas?A. MexicoB. The United StatesC. The Louisiana Purchase find an equation of the line through (4,6) and parallel to y=3x+7 Both Lone Dog and Playing Robinson Crusoe are about animals.How is the poem and story alike?Both passages explain what life is like from the point of view of a dog.Lone Dog describes dogs positively, but Playing Robinson Crusoe describes good and bad things about cats.Lone Dog compares the behaviors of two types of dogs, while Playing Robinson Crusoe compares the life of an indoor cat who must survive outside.Both passages discuss the loving relationship between pets and humans. What type of temperatures will the enzyme shown in Graph (a) work best? I WILL GIVE YOU BRAINLIEST!!How does the length of the third stanza of "The Negro Speaks of Rivers" affect the poem's meaning?As the shortest stanza, it helps reflect the speaker's desire to move through places quickly without much reflection.As the longest stanza, it helps highlight that the speaker has long struggled to recognize the importance of these historical places.As the shortest stanza, it helps show that the speaker has not spent much time traveling around the world and visiting rivers.As the longest stanza, it helps show how important it is for the speaker to place himself in a history that happened before him. In the United States, all powers not explicitly outlined in the Constitution are held by the constituent states; these are referred to as which of the following selections? usually a short narrative of an interesting, amusing,or biological incedent. ano ang ibig sabihin ng general fiction at fanfiction? Which number line best shows the position of 13? The central idea of this passage is that history is bestdescribed asO a conflict between freemen and lords thatcontinues todayO a conflict between the rich and the poor thatcontinues today.O a modern bourgeois society that is less equitablethan those of the past.O a feudal society that is more equitable than thoseof the past. what are lines that move on a slant are called ? Bramble Corp. sells MP3 players for $60 each. Variable costs are $30 per unit, and fixed costs total $120000. How many MP3 players must Bramble sell to earn net income of $300000? What is the best summary of Keelers argument in "Thanksgiving: A Native American View" ? American Indians should take revenge for the way they were treated by European Americans. We should be thankful that the American Indians were able to save the Pilgrims. We should be thankful, because so many of the foods we eat on Thanksgiving were first grown by American Indians. We each have a responsibility to try to get rid of the hatred, bigotry, and greed that affected American Indians. giving brain list ..options:C is the midpoint of BDreflexive property definition of midpoint vertical anglesgiven look at image.......................... (Giving Brainliest) Photo is below the mean number of goals scored is 2.5. the mean number of away goals scored is 1.8. How many home and away games have been played in total?