BIOLOGY HIGH SCHOOL

In an experiment, the enzyme lactase is added to milk in a test tube. The products obtained are glucose and galactose. Which of these CORRECTLY explains the function of the enzyme in this reaction?A) The enzyme molecules collide with the substrate and break it into simpler products.

B) The enzyme has active sites where the substrate binds with the enzyme to form a complex.
Eliminate

C) The substrate binds at the non-active sites of the enzyme, where it is broken down into simpler compounds.

D) The substrate breaks the bonds of the enzyme, resulting in the formation of simpler products.

Answers

Answer 1
Answer: B) The enzyme has active sites where the substrate binds with the enzyme to form a complex. When the substrate binds to the active site, an induced fit is formed where the enzyme changes its shape in order to better serve the substrate and lower the activation energy of the reaction.
Answer 2
Answer:

Answer:

b

Explanation:

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In a certain mutant strain of bacteria, the enzyme leucyl-tRNA synthetase mistakenly attaches isoleucine to leucyl-tRNA 10% of the time instead of attaching leucine. These bacteria will synthesize:
An enzyme known as amylase is found in the saliva of humans. This enzyme helps to begin the process of digesting starch molecules in the foods we eat. Which of these BEST describes how enzymes like amylase help in the process of digestion?A) Amylase acts as a buffer to keep the pH of foods at a consistent level. B) Amylase breaks down the food molecules directly by forming powerful acids. Eliminate C) Amylase is a catalyst that speeds up the chemical process of breaking down food molecules. D) Amylase contains the DNA molecules necessary to assemble the proteins needed for digestion.

How do bacteria that live deep below the ocean’s surface make food?a. by cellular respiration
b. by chemosynthesis
c. by photosynthesis
d. They eat other organisms.

Answers

option-(b)-chemosynthesis
B- making food with chemical!

In a car, how does an air bag minimize the force acting on a person during a collision?

Answers

Answer:

It increases the time it takes for the person to stop.

Explanation:
Due to the laws of motion the airbag causes force in the other direction while the person is moving forward, thus trying to equal out the force acting apon the person to make them stay in place.

Where is the best position for a lamp you use to read in the dark?

Answers

The best position for a lamp is your lamp behind your left shoulder if you're right-handed, and behind your right shoulder if you're left-handed. This way, your hand won't overshadow your words as you write or read.

Which kind of tissue is designed to regulate temperature, secrete lubricants, and protect the body from harmful substances? A. Epithelial
B. Muscular
C. Connective
D. Nerve

Answers

In the human body, the epithelial tissue is designed to regulate temperature, secrete lubricants, and protect the body from harmful lubricants.

Which of the following is a challenge in maintaining tree plantings or native meadows “no mow zones?” Choose all that apply. If left unattended, non-native plants can take over the area and kill the native plants
If left unattended, non-native plants can take over the area and kill the native plants

Deer can eat young trees if a tree does not have a proper deer guard tube installed.
Deer can eat young trees if a tree does not have a proper deer guard tube installed.

Native trees and native plants in no-mow zones need to be watered each day for two years.
Native trees and native plants in no-mow zones need to be watered each day for two years.

Native trees and native plants in no-mow zones need to be regularly fertilized.

Answers

If left unattended,non-native plants can take over the area and kill the native plants. Thus, the correct option is A.

What isno mow zone?

A “no mow zone” is refer as a designated section of land purposely not mowed in order to encourage native plant species growth. If left alone for a century or longer, the lawn will transform into a forest.

Low mow zones are ideal habitats for small animals and insects  and become rich with species.

For more information regarding non native species, visit:

brainly.com/question/14188968

#SPJ2

Answer:

most likely B and you know why? native plants are more dangerous!!!

Explanation:

yes that is my explanation, i learned this in like middle school.

Which kingdom includes autotrophic and heterotrophic, unicellular and multicellular organisms? A) Animalia B) Fungi Plantae D) Protista

Answers

Answer: D) Protista

Explanation:

The kingdom Protista includes organisms which are simple eukaryotic, they are usually composed of single cell or multicellular organisms. These organisms either live in water or in terrestrial habitats. Some of the organisms in the kingdom Protista exhibit characteristics which are similar to plants and animals. As, some organisms are parasitic like animals and others can conduct photosynthesis like plants in order to obtain food. Therefore, according to the above explanation kingdom Protista includes autotrophic, hetrotrophic, unicellular and multicelluar organisms.

The answer would be D
because all of those contain Protista :)
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