About how many genes do humans have?

A. 46

B. 80,000

C. 23

D. 1.3 million

Answers

Answer 1

Answer:

20,500

Explanation:


Related Questions

can any mountain have a volcano erupt from it?

Answers

Answer:

no

Explanation:

Can any mountain have a volcano erupt from it? The easiest answer here is no. However some mountains are volcanoes (Mt Kilimanjaro, Mt Etna….), they can definitely erupt if active or re activated.

Which is a no renewable source of energy?

Answers

Answer:

C) natural gas

Explanation:

Wind, water, and sunlight are abundant and easily renewable for energy. Natural gas is the only option that becomes more scarce as it is extracted from the earth.

Which of the following are true about the peripheral nervous system?
O A. Contains all the neural structures outside the brain and spinal cord.
B. It is divided into the somatic and autonomic nervous systems.
O C. It controls voluntary movements
O D. Includes the brain stem and the cerebellum
E. Dorsal and ventral horns fuse laterally to form spinal nerves.
OF. It's white matter includes the ventral, dorsal, and lateral white columns
O G. It's gray matter includes: gray commissure, dorsal horn, ventral horn, and lateral horn.
o H. It contains cranial and spinal nerves, ganglia, sensory receptors, and efferent motor endings

Answers

Answer:

pick one

Explanation:

big deal if you have it wrong

If a person with Klinefelter’s syndrome wanted to look more like an average male, what medical treatment could help accomplish this?

Answers

A testosterone replacement

Which of these organisms are herbivores?
producer
primary consumer
decomposer
scavenger

Answers

It should be “primary consumer”,

because everything else eats the primary consumer which eats the producer

Define nondisjunction. Is this a beneficial process? Explain.

Answers

Answer:

Nondisjunction occurs when chromosomes fail to segregate during meiosis; when this happens, gametes with an abnormal number of chromosomes are produced. The clinical significance is high: nondisjunction is the leading cause of pregnancy loss and birth defects

Explanation:

PLEASE HELP 10 POINTS!

Why is humus an effective fertilizer? (Select all that apply.)

It is abundant in inorganic nutrients.
It is dense and does not contain organic matter.
It is rich in organic matter.
It doesn’t need microorganisms to decompose matter

Answers

Answer:

It is rich in organic matter.

Explanation:

Humus is organic material formed when an animal or plant decays.Humus is formed by the decomposing action of soil microorganisms.

7. What do sea spiders use for gas exchange?

Answers

Answer:

sea spiders are marine arthropods that lack gills and rely on cutaneous respiration but still grow to large sizes. Their cuticle contains pores, which may play a role in gas exchange

PLEASE HELP TWO QUESTION !!!!!!!!!!!! (2O POINTS!)

q1
Mosquitoes have many interesting sensory abilities. They have chemical sensors that can sense body sweat, humidity, and CO2 and they have heat sensors to find warm-blooded animals. What is the purpose of these sensors?

A For movement
B For obtaining food
C For protection
D For mating

q2
An artic fox develops a white coat of fur during the winter. This adaptation allows an organism to defend itself by blending into its environment called__?

A shedding
B migration
C hibernation
D camouflage

Answers

A, d, it is A and D


Post-translational modifications of proteins may include which of the following processes?

Answers

Post-translational modifications of proteins makes them functional and include:

methylationaddition of disulphide bridges folding phosphorylation

What is post-translational modification of proteins?

Post-translational modifications of proteins refers to modifications that are made on new synthesized proteins after synthesis at the ribosomes.

Post-translational modifications of proteins are important as they help to convert the proteins into their active forms.

Some post-translational modifications of proteins include:

methylationaddition of disulphide bridges folding phosphorylation

Therefore, post-translational modifications of proteins are required to make proteins functional.

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Is the highlighted group a class or a clade?

A.
It is a clade, because not all of the descendants of the ancestral species are included.
B.
It is a class, because not all of the descendants of the ancestral species are included.
C.
It is a clade, because the cladogram does not show that the group is descended from a common ancestor.
D.
It is a class, because the cladogram does not show that the group is descended from a common ancestor.

Answers

Although we do not have access to the diagram to provide a complete answer, we can confirm that a clade is when all members of the group being highlighted belong to a common ancestor.

What is a clade?

As stated, this is when the members of a depicted group belong to the same ancestor. It would be a clade if the organisms present are all descendants of a common ancestor, such as the class Aves or birds.

Therefore, we can confirm that a clade is when all members of the group being highlighted belong to a common ancestor.

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Which of these is NOT one of the 4 chemicals used in DNA?

A. Adrenaline

B. Cytosine

C. Thymine

D. Adenine

Answers

Answer:

A. Adrenaline

Explanation:

adrenaline is a hormone

Answer:

A. Adrenaline

Explanation:

A is NOT correct because the actual 4 chemicals in DNA are Adenine,Cytosine, Thymine and Guanine.

Adrenaline is NOT part of the 4 chemicals of the DNA, which makes A correct answer.


The diagram below represents one way an enzyme can be inhibited (stopped).

Which statement explains the effect of an inhibitor on an enzyme?
The substrate will not be able to attach to the enzyme's active site.
O The enzyme will likely be attacked by immune cells.

Answers

Answer:

The answer is The substrate will not be able to attach to the enzyme's active site.

Because the function of inhibitors is to block the enzyme's activity

Explanation:

PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT

The substrate will not be able to attach to the enzyme's active site. So the correct option is A.

What is an enzyme inhibitor?

The inhibition is carried out by inhibitors that do not advance the product's development. The inhibitors may affect the enzyme as well as the substrate. Enzyme inhibition is the term used to describe the cessation of enzyme activity.

These enzyme inhibitors can bind to active regions and prevent further action by stopping it. Both reversible and irreversible forms of binding are possible. The ability of an inhibitor to block an enzyme may be irreversible or reversible depending on its unique function. Enzyme inhibitors can block the binding site, which reduces the enzyme's catalytic activity by preventing the substrate from binding to the active site.

Reversible inhibitors bind to enzymes by non-covalent interactions such as ionic bonds, hydrogen bonds, and hydrophobic contacts. Reversible inhibitors do not conduct chemical reactions when they are linked to an enzyme and are quickly removed by dilution or dialysis.

However, irreversible inhibitors usually covalently change an enzyme, making it impossible to reverse inhibition.

Therefore, the correct option is A.

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Which type of fish are sharks?
A. deep sea fish
B. cartilaginous fish
C. lampreys
D. bony fish
Please help!!

Answers

Answer:

B. Cartilaginous fish

Explanation:

Sharks have a cartilaginous skeleton. Cartilage is less dense than bone which allows sharks to move quickly through the water without using too much energy.

Guys, can you please be so generous to help me out

Answers

Answer:

Here you go. Sorry for taking so long.

Explanation:

Which of the following is an example of bioremediation?
a .using microorganisms to clean up an oil spill
b. using bacteria to make yogurt.
c. creating plants that are resistant to bacteria.
d. adding nitrogen-fixing bacteria to the soil before planting crops

Answers

Answer:

A: Using microorganisms to clean up an oil spill.

Explanation:

Bioremediation is a subcategory under biotechnology which alters environmental conditions with the usage of living organisms. It's a process that focuses on breaking down contaminants - making it an effective method to clean up oil spills due to its efficiency and affordability compared to other options.

Which of these would cause the most physical weathering?
O A. A deep, fast-moving river
B. Sand being blown across a field
O C. The roots of a large tree
D. A shallow, slow-moving river

Answers

The roots of a large tree will cause the most physical weathering.

What is Physical weathering?

This is the process that causes the disintegration of rocks, mineral, and soils without chemical change.

The roots of a large tree grow into rocks and cracks thereby resulting in a large amount of weathering taking place.

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Answer:

its D

Explanation:

HELP ME OUT PLS!!!!!!!!

7) If there is a third-quarter moon on July 2, what is the approximate date of the next full moon?

A) July 9th

B) July 16th

C) July 23rd

D) July 30th​

Answers

Answer:

A -- July 9th

Explanation:

I say July 9th because A full Moon happens roughly every 29.5 days. This is the length of time it takes for the Moon to go through one whole lunar phase cycle.

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!

Climates are classified on_________​

Answers

Climates are classified on seasonal precipitation and temperature patterns.

Engineering and work practice controls have evolved primarily

Answers

Engineering and work practice controls have evolved primarily: To teach the hierarchy and application of preventive strategies To enforce compliance by housekeeping and maintenance departments To comply with federal law For control of exposure to bloodborne and airborne pathogens. [tex][/tex]

Engineering and work practice controls have evolved primarily D. For control of exposure to bloodborne and airborne pathogens.

What are engineering and work practice controls?

Engineering and work practice controls are the workplace controls that:

Eliminate or isolate biohazards.Promote safer workplace behaviors.Enforce handwashing procedures.Restrict eating and drinking in work areas.Decontaminate equipment before servicing.Reduce the likelihood of exposure to workplace incidents.

A pathogen is a disease-causing organism that may invade the body cells, including viruses, bacteria, fungi, protozoa, and worms.

Answer Options:

A. To teach the hierarchy and application of preventive strategies.

B. To enforce compliance by housekeeping and maintenance departments.

C. To comply with federal law.

D. For control of exposure to bloodborne and airborne pathogens.

Thus, Engineering and work practice controls have evolved primarily D. For control of exposure to bloodborne and airborne pathogens.

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What material is the objective lens made of in UV fluorescence microscopy

Answers

Answer:

quartz

Explanation:

Which animal phylum was the first to develop a dorsal nerve cord a backbone?

Answers

Answer:

Chordates?

Explanation:

What happens to sunlight photons?

Answers

Answer:

All of the infrared photons are absorbed and re-radiated by the glass pane.

Sunlight photons interact with the Earth's atmosphere, scattering, absorbing, and transmitting, influencing weather, photosynthesis, and regulating the planet's temperature.

When sunlight photons reach the Earth's atmosphere, several interactions occur. First, a fraction of photons is absorbed by atmospheric gases, which excite their molecules. Some photons are scattered in various directions due to Rayleigh or Mie scattering, making the sky appear blue and contributing to diffuse light. Next, photons that pass through the atmosphere may interact with clouds, dust, and aerosols, leading to further scattering and absorption.

Eventually, the remaining photons reach the Earth's surface and may be absorbed, reflected, or transmitted. The absorbed photons can warm the Earth, driving weather patterns and supporting photosynthesis in plants. Reflecting and transmitting photons play a crucial role in regulating Earth's temperature and energy balance.

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The complete question is:

What happens to sunlight photons when they reach the Earth's atmosphere?

what is The basic unit of biological classification

Answers

Explanation:

The basic unit of biological classification is Species

Which of the following animals are examples of vertebrates? 
a. elephants, snakes, sea sponge, earthworms b. humans, hawks, sun fish, bullfrogs
c. humans, ants, spiders, bullfrogs
d. butterflies, clams, earthworms, jellyfish ​

Answers

Answer:

B: humans, hawks, sunfish, bullfrogs

Explanation:

B. Humans, hawks, sun fish, bullfrogs

True or false? Prokaryotic cells are simple and make up single-cellular and multi-cellular organisms.


Answer: False

Answers

Answer:

TRUE BECAUSE SINGLE CELLULAR ARE ORGANSISM.

Explanation:

I DONT NEED POINT IS THI INCORRECT YU CAN REPLY TO ME AND DELETE THIS

why is it beneficial for scientists to understand how other organisms are able to edit which proteins are created

Answers

Answer:

Genome editing technologies enable scientists to make changes to DNA, leading to changes in physical traits, like eye color, and disease risk

Explanation:

the peripheral nervous system is involved in
A. voluntary but not involuntary, actions
B. both voluntary and involuntary actions
C. involuntary but not voluntary actions​

Answers

Answer:

B. Both voluntary and involuntary actions

Answer:

b both voluntary and involuntary actions

Explanation:

peripheral nervous system is the whole system which is composed of voluntary actions ( by purpose actions eg. running) and involuntary actions ( natural actions eg. heartbeat)

ABO blood group determination is a example of

Answers

ABO blood group determination is a example of multiple Alleles.

What is Multiple Alleles?

Multiple alleles refer to a type of non-Mendelian inheritance pattern that comprises of more than the normal two typical alleles that is dorminant and recessive alleles that usually code for a certain characteristic in a species.

Examples of multiple Alleles is the genes of ABO blood group determination.

Therefore, ABO blood group determination is a example of multiple Alleles.

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describe how energy is transferred through a food chain


PLSS ANSWER IM BEGGING YOU

Answers

Well energy is transferred between organisms in food webs from producers to consumers. The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.on:

Answer:

Energy is passed between organisms through the food chain. Food chains start with producers. They are eaten by primary consumers which are in turn eaten by secondary consumers. They are then eaten by tertiary consumers and in a long food day these can be eaten by quaternary consumers.

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