14. The lock-and-key model of enzyme function shown to the
right. Which important characteristic of enzymes is
illustrated in this model?
a. Ability to bind with many reactants
b. Precise fit with a particular substrate
C. Ever-changing structure.
d. Ability to bond with a product

Answers

Answer 1

Answer: it’s B

Explanation:


Related Questions

Please please please please help me please

Answers

Answer:

A. Bees and Butterflies receive food while pollinating the flowers.

Your answer is A. Bees and butterflies receive food while pollinating the flowers

Which BEST describes the process of aerobic cellular respiration?

A: a process of energy cornversion that releases energy from food in the presence of Oxygen, forming new cormpounds

B: a process of energy conversion that captures light energy and transforms it into chemical energy

C: a process of energy trarsfer that converts liquid water into water vapor

Answers

Answer:

B.) A process of Energy conversion that captures light energy and transforms it into chemical Energy.

Explanation:

Aerobic respiration is the process of producing cellular energy involving oxygen. Cells break down food in the mitochondria in a long, multistep process that produces roughly 36 ATP. The first step in is glycolysis, the second is the citric acid cycle and the third is the electron transport system.

Chlorophyll
Chloroplast
15
What two input for Photosynthesis that plants use to make their food is
O Light energy, H20 (water)
O Light and Oxygen
0 Light and ATP

Answers

Answer:

Light energy and water

Explanation:

Answer:

Light energy and H20

Explanation:

Plants use the energy from the sun and water to grow to create things like oxygen as well as things like glucose. It cannot make oxygen out of oxygen because then it wouldn't need to be made by plants. ATP is energy that is made during cellular respiration, cellular respiration uses the oxygen and glucose produced by plants during photosynthesis to create ATP energy.  

which statement best describes the water cycle:
a: a simple circular path that water takes around earth
b: a complex path that water repeats
c: a cycle if processes by which water circulates the earth's oceans , atmosphere , and land.

Answers

Answer:

C. A cycle of processes by which water circulates the earth's oceans, atmosphere, and land.

Explanation:

The term water cycle (also called the hydrologic cycle or the hydrological cycle) refers to the way water moves on, above, and below the surface of the Earth.

As the sun heats up the surface of our planet, water evaporates from it, rises up into the atmosphere, cools, and turns into rain or snow in clouds. Then, in this form, it falls on the surface again. This cycle constantly repeats itself, which means that water moves all the time.

You can see an illustration of this phenomenon in the image attached below:

While sheep provided meat, milk, and fiber, cattle provided:
O Meat, milk, labor
Meat, milk, leather
Meat, milk, leather, labor
O Meat and milk

Answers

The third option hope this helped

Answer:

The c

Meat Milk Leather labor

Explanation:

Can a molecule function without atoms?

Answers

Although there can be molecules formed without atoms they will not be of much function. The atomless molecule will contain only the valence and conduction electronic structure of the real molecule.

Farmers have selected for increased oil content from corn. For a long time, the plants responded with steadily increasing oil content, but recently the response slowed and then stopped. When this line of corn is crossed to another line and the hybrids are selected, the oil content resumed its climb. What is a plausible reason for the lack of response?
A. The environmental conditions improved.
B. The genetic variation for the trait was exhausted.
C. There was too much genetic variation for the trait.
D. The environmental conditions deteriorated.
E. Artificial selection is different than natural selection.

Answers

Answer:

B. The genetic variation for the trait was exhausted.

Explanation:

Oil content is a quantitative trait, ie., a phenotypic feature that depends on the accumulative effects of many genes and the interaction of a genotype with its environment. During crop improvement, the plants (i.e., lines) containing desired alleles involved in the variation of this trait will be selected, thereby increasing oil content but simultaneously decreasing the genetic variation of the population. In consequence, after successive rounds of artificial selection, lines will not have sufficient genetic diversity to be again selected for this trait.

Carbon dioxide (CO2) is released during which of the following stages of cellular respiration?

Answers

Answer:

During glycolysis carbon dioxide is released

Explanation:

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Please help!!!!!!!!!!!!!!!!!!!!
What would most likely happen to plant cells if the plant was watered with salty water?
A. Water will enter the plant cells until the large central vacuole bursts
B. The plant's root will filter out the right amount of salt so the plant can remain isotonic.
C. Salt crystals will form on the leaves as water evaporates on the leaf surface.
D. Water would leave the large vacuole of the cell and the plant will droop.

Answers

Answer:

option D

Explanation:

the plant will lose water because water moves out of the cell and the vacuole will leave the cell

Water would leave the large vacuole of the cell and the plant will droop if it was watered with salty water.

What is Vacuole?

This is referred to as an organelle within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid.

In cases where the plant is watered with salty water, osmosis takes place which involves water leaving the vacuole and the plant drooping thereby making option D the most appropriate choice.

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Which of these causes the day/night cycle on earth

Answers

Answer:

Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.

Explanation:

hope it becomes helpful to you ☺️☺️

good luck

Answer:

Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.

Explanation:

:) hope this helps!

What is a waste product must be removed from the body

Answers

Answer: Excretion is the removal from the body of waste products which result from normal life processes. Waste products such as carbon dioxide must be removed. If they are allowed to accumulate they cause poisoning which slows down vital chemical reactions.

Explanation:

Answer is Carbon Dioxide
Carbon dioxide MUST be removed from the body or it ends up making out blood dangerously acidic.

Just a side note
(Our lungs and respiratory system allows oxygen in the air to be taken into the body, but also while letting the body get rid of carbon dioxide in the air breathed out.)

Anatomy / Physiology Question:

State and describe the three types of muscles

Answers

Answer:

Muscle physiology

Explanation:

People find that when they seek treatment for disorders:
A. they often feel much better.
O B. they feel worse than before treatment.
OC. there isn't much hope.
O D. all people are given medication.

Answers

A!!!

Explanation:

getting better

The risk of chronic diseases linked to stress, anxiety, and substance addiction is also decreased by mental health services. Most importantly, mental health treatments improve the perspective for people who might feel lost and hopeless, while also saving lives. Thus, option A is correct.

What is to seek treatment for disorders?

All forms of medical care are included, unless specifically stated differently (below). Using prescription drugs or a non-prescription drug that has been diluted to a prescription level.

The diagnostic procedure serves as both a prelude to and a form of treatment in and of itself. Problems with behavior and physical health can both be helped by diagnosis when it is used as a therapeutic tool.

Therefore, people find that when they seek treatment for disorders. They often feel much better.

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Having an accurate model of an atom is important except..

A. It can help give information on how atoms work.

B. We use the model to learn how to create new things.

C. Learning about atoms will help create better organisms.

D. It can help support the explanation of the origin of the universe.

How they worded this question does not make sense to me.

Answers

Answer:

I think the answer is D. but I'm not 100% sure.

Answer:

The answer to your question is going to be A.

Explanation:

It teaches us how atoms work. and it also gives us more information about how and what they are!!

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The location on earth surface above the point where an earthquake start is

Answers

Answer:

The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.

Explanation:

Answer:

The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.

hope this helps

You read an article on a website that suggests that there may be a new form of cancer-causing mutagen that causes the DNA backbone structure to be disrupted in its normal sequence. Using your knowledge of the structure of the DNA molecule, explain how you might hypothesize such a mutagen might impact the ability for the DNA molecule to do its job effectively.

Answers

Answer:

The mutagen might alter the DNA sequence, thereby altering the accessibility to transcription factors and thus activate the expression of oncogenes involved in cell proliferation

Explanation:

The DNA molecule consists of two antiparallel strands of nucleotides that wind around each other. Each DNA strand is formed by a backbone containing sugar (deoxyribose) and phosphate groups. This arrangement allows for DNA replication and transcription (and consequently also protein synthesis) to occur. If a mutagen agent binds to DNA, this might modify its structure, thereby altering DNA replication and transcriptional activity.

How many sig figs in 4737

Answers

Answer:

There are four significant figures.

Explanation:

Significant figures:

The given measurement have four significant figures 4.7.3 and 7.

All non-zero digits are consider significant figures like 1, 2, 3, 4, 5, 6, 7, 8, 9.

Leading zeros are not consider as a significant figures. e.g. 0.03 in this number only one significant figure present which is 3.

Zero between the non zero digits are consider significant like 104 consist of three significant figures.

The zeros at the right side e.g 2400 are also significant. There are four significant figures are present.

I need help please & show work??
Hydrogen - 3 is a radioisotope with a half life of 12.32 years. How long would it take a 40 g sample to decay down 2.5 g ?

Answers

Answer:

Whether or not a given isotope is radioactive is a characteristic of that particular isotope. Some isotopes are stable indefinitely, while others are radioactive and decay through a characteristic form of emission. As time passes, less and less of the radioactive isotope will be present, and the level of radioactivity decreases. An interesting and useful aspect of radioactive decay is half-life, which is the amount of time it takes for one-half of a radioactive isotope to decay. The half-life of a specific radioactive isotope is constant; it is unaffected by coTnditions and is independent of the initial amount of that isotope.

Consider the following example. Suppose we have 100.0 g of tritium (a radioactive isotope of hydrogen). It has a half-life of 12.3 y. After 12.3 y, half of the sample will have decayed from hydrogen-3 to helium-3 by emitting a beta particle, so that only 50.0 g of the original tritium remains. After another 12.3 y—making a total of 24.6 y—another half of the remaining tritium will have decayed, leaving 25.0 g of tritium. After another 12.3 y—now a total of 36.9 y—another half of the remaining tritium will have decayed, leaving 12.5 g. This sequence of events is illustrated in Figure 15.1 “Radioactive Decay”.

Explanation:

What does it mean for a model to be "to scale", or a scaled model?

Answers

Answer:

To scale means it's the same size as in real life, as in 1 foot = one foot

Scaled means it's shown either larger or smaller, as in 1 foot = 1 inch or 1 foot = 1 mile

Explanation:

The Earth's uppermost layer is made up of tectonic plates. The primary tectonic plates are shown on the map below. Image courtesy of the USGS At the boundaries of tectonic plates, rock materials A. are brought to Earth's surface from its interior and to Earth's interior from its surface. B. cannot be found due to the process of melting. C. are only brought to Earth's interior from the surface. D. are brought to Earth's surface through the process of erosion.

Answers

Answer:

A

Explanation

A. are brought to Earth's surface from its interior and to Earth's interior from its surface.

The tectonic plate boundaries, rocky material brought to the Earth's surface from its interior and from the Earth's surface to its interior. So, the correct option is A.

What are Tectonics plates?

Tectonic plates are defined as huge pieces of Earth's crust and uppermost mantle that are made up of oceanic crust and continental crust. Earthquakes occur around major faults that mark mid-ocean ridges and plate edges.

These plates act like hard and rigid shells in comparison to Earth's mantle which is the strong outer layer called lithosphere. At tectonic plate boundaries, rocky material is brought to the Earth's surface from its interior and from the Earth's surface to its interior.

Therefore, the correct option is A.

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How do we get our oxygen if plants do cellular respiration. If plants do cellular respiration and photosyntehsis shouldn't there be no oxygen in the air?

Answers

Well there is tiny bacteria called Cyanobacteria the pretty much combines water carbon dioxide and sunlight

Which statement describes an advantage of asexual reproduction?
Asexual reproduction results in variations in DNA.
Asexual reproduction causes less competition for resources.
O Asexual reproduction is faster than sexual reproduction.
O Asexual reproduction requires more energy than sexual reproduction.

Answers

Answer:

i would pick the answer c

Explanation:

sexual reproduction is slower than asexual reproduction because in order to reproduce sexually, you would need to find a partner first. but reproducing asexually is quicker because you don't need a partner

Answer:

c or b

Explanation:

asexual reproduction is much faster and lots of resources are not needed. while sexual reproduction you need another parent .

Assume that conditions in Paxton Lake, including the availability of benthos and zooplankton and the number and type of predators in the benthic and limnetic zones, remain unchanged. If you returned to Paxton Lake in a thou- sand years and collected data about the mating choices of benthic and limnetic sticklebacks and the proportions of benthic, limnetic, and hybrid sticklebacks in the lake, what would you expect to find

Answers

Answer:

The sticklebacks will remain a single species

Explanation:

When species leave in an area with favorable conditions, it feeds and reproduces freely, and when these conditions (availability of food, predator population) remain unchanged for a long period of time, the specie's physiology and habits would also remain unchanged (there would be no speciation).

At birth Himalayan rabbits are usually
white over their entire bodies. But
when parts of their bodies reach
temperatures below 35°C, a pigment
that causes these parts to turn black is
produced. Which of the following is
most likely the cause of this
phenomenon?

Answers

Answer:

C

Explanation:

because i took the test and got it right

The Himalayan rabbits are usually white but they show gene expression that is regulated by temperature. Hence option C is correct.

What are Himalayan rabbits?

The Himalayan rabbits are rare rabbits that is medium-sized and they show coloration during the changes in temperatures.

These rabbits are one of the oldest and calmest breeds. The gene expression leads to them having brown and black coats with a change in the climate.

Find out more information about the himalayan rabbits.

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You and your friend want to see how changing the type of liquid (e.g. water, milk, orange juice) given to a plant affects how high it grows. What would be the independent variable in this experiment?
SELECT AN ANSWER

1)the type of plant used

2)the temperature of the air

3)the type of liquid

4)the height of the plant

Answers

Answer:Hi! It’s the type of liquid/third answer

Explanation:

This is the independent variable because it’s the component of the experiment that is being changed to measure the results.

Please help me! I will give you all my points​

Answers

Cytoplasm is H
Lysosome E
Mitochondria F
Centriole A
Endoplasmic reticulum G
Vacuole M
Cell membrane D
Nucleus J
Ribosome L
Nuclear membrane C
Golgi apparatus B
Vesicle K
Nucleolus I

Definition of inversion

Answers

the action of inverting something or the state of being inverted

Match the term to its definition.


control group, data, hypothesis, inference

observations that may be quantitative or qualitative


a tentative, testable scientific explanation


useful for determining the effect of the independent variable


a logical interpretation based on prior knowledge

Answers

Explanation:

hypothesis is the last one

data is the 3rd one

inference is the 2nd one

and control group is the first one

process of elimination is your best friend

What causes nucleotides to switch locations in a DNA molecule?

Answers

Answer:

DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.

Explanation:

Which organelle is the site where energy is made in an animal cell?
A. Golgi bodies
B. Nucleus
C. Endoplasmic Reticulum
D. Mitochondria

Answers

Answer:

D

Explanation:

Answer:

D

Explanation:

The Mitochondria is the power house of a cell

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Identify the dependent variable in this situation:the amount of data you use determines how much money your monthly cell phone bill is. how do you rate this app on a computer ? A medical test indicates that a patient has a defective protein. This condition is most likely due to a change in the directions coded in the: Drugs+Kids=..................Very tough question guys 1/2 divided by 7 1/2 An object is thrown straight up into the air with an initial speed of 8 m/s, and reaches a greatest height of 15 m before it falls back to the ground. a. What height is the object thrown from? b. How long does it take for the object to hit the ground? List the sides in order from shortest to longest. The diagram is not to scale. Don Quixote es de la Mancha.1.verdad2.falso Could someone help me Why does air pressure decrease from the troposphere to the exosphere? Which statement best summarizes the argument against expanded learning time? What are the answers here? Could someone help me on question 15 and17 pls Convert fraction to a decimal15/20 Which point represents 4StartRoot 2 EndRoot (cosine (StartFraction 5 pi Over 4 EndFraction) + I sine (StartFraction 5 pi over 4 Endfraction) ) ?It's Point B Which relation below represents a one-to-one function? What is the difference between a 'mutiny' and a 'rebellion'? I WILL GIVE BRAINLIEST TO WHOMEVER ANSWERS FIRST What is an example of the new city culture in the 1800s?OA. Religious servicesO B. Worker training meetingsOC. Private social clubsO D. Government planning meetings PLEASEEE HELP AND SHOW YOUR WORK IF YOU CAN