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Sergio039 [100]
3 years ago
10

The maltose molecule can be broken down into two individual glucose molecules with the help of an enzyme produced within a cell.

which of the following changes is most likely to slow down this reaction.
A) Adding more maltose molecules
B) Increasing the volume of the cell
C) Adding more of the enzyme
D) Increasing the PH within the cell
Biology
2 answers:
Naily [24]3 years ago
7 0
Increasing its pH because then the enzyme wont be ablr to work properly
Pachacha [2.7K]3 years ago
7 0

Increasing the pH within the cell

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Flower color in the varieties of pea plants studied by Mendel is controlled by alleles at a single locus. A group of peas homozy
VladimirAG [237]

Answer:

Option 1, 0

Explanation:

Complete question

Flower color in the varieties of pea plants studied by Mendel is controlled by alleles at a single locus. A group of peas homozygous for purple flowers is grown in a garden. All flowers are purple, yet there is some variation in the intensity of the purple color. The estimated heritability for this observed variation in flower color would be

  1. 0.
  2. 0.5.
  3. 0.75.
  4. 1.
  5. Cannot be determined without additional information

Solution

Given all the pea plants in the garden are homozygous purple (PP)

If we cross two PP parents, the following offspring will be produces

PP * PP

PP, PP, PP, PP

This means that all offspring are also homozygous purple.

Thus, chances of inheriting variation in the purple color of offspring are negligible. However, the variation in their color can be due to their individual interaction with the variable factors in the environment

Hence, option 1, 0 is correct

6 0
3 years ago
Which type of wetland restoration project involves making a deep cut in a riverbank and
7nadin3 [17]

Answer: it attempts to to stabilize the river by creating a state of equilibrium

Explanation: Sediment transport occurs in natural systems where the particles are clastic rocks (sand, gravel, boulders, etc.), mud, or clay; the fluid is air, water, or ice; and the force of gravity acts to move the particles along the sloping surface on which they are resting.

7 0
3 years ago
If the global warming trend continues and permafrost under the tundra melts, what biome would you predict would replace it?
Vladimir [108]

Answer: If the global warming trend continues and permafrost under the tundra melts, the biome that would you predict would replace it is:

Boreal Forest

Explanation: A boreal forest is a vegetation composed primarily of cone-bearing needle-leaved or scale-leaved evergreen trees, found in northern circumpolar forested regions characterized by long winters and moderate to high annual precipitation.

4 0
3 years ago
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A process by which we shape and interpret sensory impressions in order to give meaning to our environment is​ ____________.
Alexxandr [17]

Answer:

Perception

Explanation:

Perception is usually defined as a collective process of accumulation, selection and interpretation, and organization of the sensory information. In simple words, it helps in the collection of information that is transferred from the different sense organs and interpreted by the brain. This collected information is used in understanding and interacting with the environment.

Thus, perception refers to the use of sense organs such as the nose, ear, eyes and making a person able to smell, hear and see things.

8 0
3 years ago
18. Refer to Models 1 and 2 to complete the chart below. Write yes or no in the box for cach cell.
Ostrovityanka [42]

The most primitive cells are prokaryotic. They are simple, with no organelles and no nucleus. Animal and plant cells are eukaryotic, but they express some differences such as the cell wall, chloroplasts, or centrioles.

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<u>BACTERIA CELLS</u>

  • Bacteria are prokaryotic cells.

  • Prokaryotic cells lack a nucleus, nucleolus, and organelles.

  • They only present plasmids, ribosomes, and genetic material in their cytoplasm.

  • DNA not surrounded by membrane

  • They have a cell wall that protects the cell and a cell membrane that surrounds the cytoplasm. Some of them can also present a capsule.

  • Some of them have flagellum.

  • These organisms are capable of inhabiting places with e<em>xtreme temperature, salinity, acidity, or pH, among others. </em>

<u>ANIMAL </u><u>AND </u><u>PLANT CELLS</u>

  • Both the animal and plant cells are eukaryotic.

  • They carry their genetic material in the nucleus and mitochondria.

  • Organelles are located in the cytosol, and both of them are surrounded by a protector cell membrane.  

However, they have some differences:

⇒Cell wall : <em>A </em><em>rigid structure</em><em> that provides </em><em>support </em><em>and </em><em>protection</em><em>.</em>

• Animal cells do not have a cell wall. They are only surrounded by the cell membrane, which is flexible so they can adopt different shapes.

• Plant cells have a wall, so their shape is usually prismatic and regular. The cell wall is composed mainly of cellulose.

⇒ Chloroplast: these are organelles that accumulate chlorophyll.

• Animal cells do not have chloroplasts because they do not photosynthesize.

• Plant cells have chloroplasts, and they are in charge of the photosynthesis process that allows plants to release oxygen. These organelles use solar light as the source of energy.

⇒ Vacuoles:  

• Animal cells have many and small vacuoles whose function is to store water, ions, and waste intracellular substances.  

• Plant cells have a unique big-sized vacuole that might occupy almost 90% of the cell. Their principal function is to store water and keep the turgidity. When the vacuole gets empty, the plant loses rigidity.

⇒ Other differences are:

  • The animal cell has centrioles, while the vegetable cell does not.  
  • Plasmodium, chromoplasts, and glyoxysomes are present in the vegetable cell but not in the animal cell.

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2 years ago
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