Which type of cell does not contain membrane-bound organelles?.

Answers

Answer 1

Answer:

prokaryotic cells

Explanation:


Related Questions

A person has problems in keeping his body in a balanced position and cannot coordinate his
voluntary movements of skeletal muscles. Which part of the brain is the most likely to be affected?

Answers

Answer:

[tex]\huge\boxed{\sf Cerebellum }[/tex]

Explanation:

Cerebellum is a leaf-like structure that is a part of the hind brain and is responsible for:

coordinating skeletal muscle movements.controls movements, posture and balance.involved in learning too.

So, if the cerebellum of the brain is affected/injured, a person can have difficulty in keeping their body in a balanced position, coordinate voluntary movements of skeletal muscles and learning.

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Hope this helped!

~AH1807

please help me answer this question u will get a lot of points!!!!!

Answers

The correct answer is A. R and S

Hope this helps

After many decades of being absent from yellowstone national park, gray wolves are being reintroduced. As the wolf populations have increased, elk and bison populations are beginning to decrease. Which is another consequence of the reintroduction of wolves that is likely to occur in yellowstone park?.

Answers

Given what we know about the relationships present in this ecosystem, we can confirm that the reintroduction of grey wolves, while causing the population of elk to decrease, will also permit the population of aspen trees and similar plants to increase.

Why would Aspen trees increase in population?

The Elk is one of the primary consumers of the aspen tree.

When wolves were removed from the park, their absence caused a sharp increase in the elk population.

This increase in turn caused the elks to consume much more aspen trees and reduce their availability greatly.

The reintroduction of wolves will control the elk population and allow the aspen trees to regrow.

Therefore, given the predator and prey relationships present in the park, we can confirm that with the reintroduction of wolves to the park, we can expect the reduction in elk to allow for an increase in aspen tree populations.

To learn more about ecosystems like this one, visit:

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Allosteric inhibition is when a chemical
bonds to the active site on an enzyme
False
True

Answers

Answer:

False

Explanation:

An enzyme consists of two sites. (See attached file)

Active site. (where the substrate binds to be converted into product.)Allosteric site. (site other than the active site.)

Many chemicals inhibit the activity of enzymes by binding to the allosteric site. This inhibition is called allosteric inhibition.

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~AH1807

pls help,will give brainliest.

Answers

Answer:

moon

Explanation:

Using energy from a vehicle to recharge the battery when slowing down or stopping the vehicle is called what?
A. Adaptive braking
B. Regenerative braking
C. Fuel cell braking
D. Capacity braking

Answers

Answer:

B Regenerative braking

What does the term half-life mean when using radioactive dating to determine the age of fossils?.

Answers

Answer:
half life means that it is not fully being preserved
Explanation more about it can be seen feim this free tect boom you can get from z library


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Is flower color a
characteristic or a trait?

Answers

Answer:

Flower color is a characteristic

Explanation:

hope this helps you find your answer.

Characteristic
Characteristic of a flower include the following: seed texture, seed color, plant Height and FLOWER COLOR.

Match the words please



Please answer these I’ll give you 40 points, I really need help so please help me

Answers

Answer:

Answer:

Explanation:

1. Monoculture

2. Erosion

3. Desertification

4. Bio-logical Magnification

5. Bio- diversity

6. Ecological hot spot

7. ecological footprint

8. Ozone Layer

9. Aquaculture

10. Global Warming

Explanation:

Answer:

1. Monoculture

2. Erosion

3. Desertification

4. Bio-logical Magnification

5. Bio- diversity

6. Ecological hot spot

7. ecological footprint

8. Ozone Layer

9. Aquaculture

10. Global Warming

Explanation:

Which statement explains why carbon-14 dating cannot be used to date ancient rocks?

Carbon-14 decays at a varying rate.
Carbon-14 decays quickly leaving the amount too small to measure.
Carbon-14 can be used only to date the remains of organisms.
Carbon-14 has a half-life that is much longer than potassium.

Answers

The statement that explains why carbon-14 cannot be used to date rocks is : ( C ) Carbon-14 can be used only to date the remains of organisms

What is carbon-14 dating

Carbon-14 dating ( radiocarbon dating ) is used to determine the age of a material or substance which must be part of a living organism that has once existed or is still existing.

Carbon -14 dating cannot be used for determining the age of ancient rocks because of :

The half life of carbon-14 dating  andAncient rock materials are not part of a living organism

Hence we can conclude that The statement that explains why carbon-14 cannot be used to date rocks is : Carbon-14 can be used only to date the remains of organisms.

Learn more about Carbon-14 dating : https://brainly.com/question/9308585

Answer:

the answer is C

Explanation:

If a microbiology lab student left the safranin out of the gram stain procedure, what would be the result?.

Answers

Answer:

none of the cells would take up a pink colour gram positive would be purple and Gram negative would be colourless.

Explanation:

South Africa is in the Southern hemisphere. The north facing slopes are warmer and drier than the south facing slopes. Explain why the north facing slopes will be drier than south facing the south facing. Also explain how this will influence plant growth.​

Answers

Answer:

It was the revolution which occurred in October 1917. It was led by Petrograd Soviet and the Bolshevik Party under the leadership of Lenin. A military Revolutionary Committee was appointed by the Soviet under Leon Trotskii to organise the seizure

What part of the cortex processes the information from our skin?.

Answers

Answer:

The brain's parietal lobe which is located immediately behind the frontal lobe, and is involved in processing information from the body's senses. It contains the somatosensory cortex, which is essential for processing sensory information from across the body, such as touch, temperature, and pain.

How do meiosis I and II contribute to genetic variation? ​

Answers

Answer:

hello there

Explanation:

Because the duplicated chromatids remain joined during meiosis I, each daughter cell receives only one chromosome of each homologous pair. ... By shuffling the genetic deck in this way, the gametes resulting from meiosis II have new combinations of maternal and paternal chromosomes, increasing genetic diversity.

which term best describes how the earth's atmosphere is heated?

Answers

Answer:The sun heats earth's atmosphere unevenly. this causes convection currents to move in large circles in the atmosphere.

Explanation:

Which nitrogen bases are needed to complete the DNA strand pictured below? Give your answer in order from top to bottom. Question 7 options: cytosine, thymine, cytosine, guanine cytosine, thymine, guanine, guanine thymine, cytosine, thymine, adenine adenine, cytosine, adenine, guanine.

Answers

Answer:

hello there

Explanation:

To make a DNA molecule you need: nitrogenous bases—there are four of these: adenine (A), thymine (T), cytosine (C), guanine (G) carbon sugar molecules. phosphate molecules.

Chemosynthetic organisms are considered _______ (1 point)

A. autotrophs.

B. decomposers.

C. detritivores.

D. heterotrophs.

Answers

Chemosynthetic organisms are considered autotrophs

Option A

What is chemosynthesis?

It is a a special type of autotrophic nutrition whereby organisms use chemical energy to produce their own food by themselves.

In this case, chemosyntyethic or autotrophic bacteria produce their food using chemical energy

What are autotrophs?

Autotrophs are organisms that produces their food by themselves either through photosynthesis or chemosynthesis

Learn more about autotrophs:

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The type of connective tissue that helps to tightly bind bones together, resist stress, attach muscle to bone, and transfer muscular tension to bones is called

Answers

The type of connective tissue that helps to tightly bind bones together, resist stress, attach muscle to bone, and transfer muscular tension to bones is called regular collagenous tissue

please help me with my science work i forgot to post the images! pls and ty

Answers

14: Trees and their roots are like anchors in the ground, and they are also a place for wind and rain. When deforestation occurs the land becomes exposed to being washed or blown away.

15: Donate to an organization that plants trees for a reasonable price.

16: Start a donation site for people to pay for trees to be planted.

What is the most accurate statement about the interaction between a tree and it’s physical environment

Answers

Answer:

All living things share a common genetic language of DNA because they share a common ancestry.

Explanation:

A tree and its physical environment alter each other. The universal genetic language of DNA is common to virtually all organisms on Earth, however diverse.

Examine the images here for two tree species. Which taxonomic grouping defines the commonality of these two trees?



Question 17 options:

These trees share the same genus but not the same species.


The trees share all of the taxa involved in classification.


These trees share the same genus but not the same phylum.


These trees share the same species but not the same genus.

Answers

Based on taxonomic classification, it can be concluded that the trees share the same genus but not the same species.

What is the relationship between two trees?

In taxonomic classification, organisms are classified based on similar characteristics.

Given two tree, the two trees will belong to the same phylum.

The trees may also share the same genus, however they can differ in species.

Therefore, based on taxonomic classification, it can be concluded that the trees share the same genus but not the same species.

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Answer:

A. these trees share the same genus but not the same species.

Explanation:

i think

Which process contributes to the formation of layers in protoplanets when unstable elements release particles and energy?.

Answers

Answer:

c. radioactive decay

Explanation:

Radioactive decay refers to the natural breakdown of unstable elements or nucleus which lead to the release of energy or particles

And i got 100 on test

When a hormone is present in excessive levels, the number of target-cell receptors may decrease. This is called:.

Answers

Answer:

Down regulation

Explanation:

The ventricles are the two upper chambers of the heart.

Answers

False. The ventricles are the two lower chambers of the heart.

Structure of the heart

The human heart consists of 4 chambers, namely:

The right atriumThe left atriumThe right ventricleThe left ventricle

The two atria are located on the upper part of the heart and are, therefore referred to as the upper chambers of the heart while the two ventricles occupy the lower part are known as the lower chambers of the heart.

More on the structure of the human heart can be found here: https://brainly.com/question/7980900?referrer=searchResults

The material that emerges from volcanic includes molten rock. What is it that melts this material

Answers

Answer:

Flux melting is what melts the material.

Explanation:

When water or carbon dioxide are added to a rock, the rock begins to melt at lower temperatures, creating magma or molten rock.

Hello! please help!?

Fill in the missing concentration of water or solute (must add up to 100%).

Answers

Try 15 that would add up to 100

Which abdominopelvic quadrant contains the stomach.

Answers

THE LEFT UPPER QUADRANT CONTAINS THE STOMACH

The process by which one strain of bacterium is apparently changed into another strain is called.

Answers

The process by which one strain of bacteria is apparently changed into another strain is called transformation.

What is transformation process?

Transformation is the process by which the one strain of an organism changed into another strain. Due to this transformation process the new strain has different characteristics than the older one.

This transformation has also different requirement of life so we can conclude that the process of transformation by which one strain of bacteria is apparently changed into another strain.

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3. Why does an ecosystem with food webs indicate a healthier system than one with a few simple food chains? what do the different trophic levels indicate?.

Answers

Answer:

A food web consists of all the food chains in a single ecosystem. Each living thing in an ecosystem is part of multiple food chains. Each food chain is one possible path that energy and nutrients may take as they move through the ecosystem. All of the interconnected and overlapping food chains in an ecosystem make up a food web.

Trophic Levels

Organisms in food webs are grouped into categories called trophic levels. Roughly speaking, these levels are divided into producers (first trophic level), consumers, and decomposers (last trophic level).

Explanation:

Answer:

helps the ecosystem maintain and recycle biomass.

Explanation:

What two things must happen for DNA to be analyzed from a crime scene?

Answers

Answer:

If there is a strong body of evidence against a suspect, the courts can order them to provide a DNA sample. Once forensic scientists obtain a sample, they extract the DNA from cells in bodily fluids or tissues and copy it

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