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dolphi86 [110]
3 years ago
9

Ecosystems & Blomes

Biology
1 answer:
OLEGan [10]3 years ago
3 0

The question is asking to choose among the following choices is the features that would help a plant adapt to a tropical forest biome, and in my research and further investigation, I would say that the answer is b waxy leaves with drip tips.

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How is energy transferred during water cycle
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Water gains energy during evaporation and releases it during condensation.

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What are baroreceptors? Chemoreceptors?
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Answer:

Baroreceptors:

Baroreceptors are the type of mechanical receptors. These receptors are located in the carotid sinus and become active in response to the change in the pressure in the heart. They have the ability to sense the information and relay it to the brain.

Chemoreceptors:

Chemoreceptors area also known as chemo sensors as they have the ability to detect the change in the chemical substance of the body. These receptors are present on the taste buds. They have the ability to generate the action potential and relay information.

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ATP is composed of a nitrogenous base, a sugar, and
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3 phosphate groups, hence tri-phosphate
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3 years ago
Select the correct sequence of steps as energy is extracted from glucose during cellular respiration.
White raven [17]

Answer:

a.glycolysis   d.acetyl CoA   b.citric acid cycle   e.electron transport chain

Explanation:

Cellular respiration is set of metabolic processes that occur within the cell in order to produce usable energy (ATP) from the nutrients (food). It can be divided into four main stages:

  1. Glycolysis-anareobic process in which glucose is broken down and it occurs in the cytoplasm.  Products of glycolysis are 2 molecules of pyruvate and 2 molecules of ATP.
  2. Transition- Pyruvate form the glycolysis  is transported into the mitochondria, where it is converted to a molecule  Acetyl CoA used for further breakdown
  3. Citric acid cycle or Krebs cycle- aerobic  process that occurs in the mitochondria matrix in which 4  molecules of ATP, and  NADH are produced
  4. Electron transport chain-set of reactions that occur within the cristae of mitochondria. NADH and electrons are passed  through electron transport chain to result in the production of ATP (32 ATPs for every glucose).
8 0
3 years ago
The intercellular material that holds plant cells together 1 cell cement 2. A septum which forms to separate the two new plant c
notsponge [240]

Answer:

1. The intercellular material that holds plant cells together (Cell Cement)

2. A septum which forms to separate the two new plant cells (Cell plate)

3. Material which makes up the structure of the cell wall (Cellulose)

4. play a role in the formation of the spindle during cell division  (Centrioles)

5. Serves to trap the sun's energy for photosynthesis  (Chlorophyll)

6. A packet of chlorophyll arranged in stacks within a plant cell (Chloroplast)

7. The pinching in of the animal cell during cell division (Cleavage furrow)

8. The new cells resulting from the division of the mother cell (Daughter cells)

9. channels for transporting molecules within the cell (Endoplasmic reticulum)

10. The reproductive cells in sexual reproduction (Gametes)

11. Involved in producing and packaging secretions (Golgi Bodies)

12. The process involving the division of the nucleus in a reproductive cell (Meiosis)

13. The process involving the division of the nucleus of a body cell (Mitosis)

14. The cell that is about to undergo binary fission (Mother cell)

15. Makes up the structure of the ribosomes (rRNA)

16. Substances produced by the Golgi bodies (Secretions)

17. The fibers which direct the even distribution of chromosomes (Spindle)

Explanation:

Plant cells: (1,3,5,6)

Plant cells differ from animal cells in several ways.

<em><u>Cell wall:</u></em> One of the most defining one is plant cells have cell walls. These cell walls are rigid and they cover the plasma membrane of the plant cell. Cell walls have 3 layers and the outermost one is called the middle lamella, which is the cell cement. It acts like a cement because it is what holds one plant cell and the adjacent cells together. The middle lamella is made up of pectin.

The cell wall also has layers made up of <em><u>cellulose, </u></em>which happens to be a macromolecule as is the most abundant of its kind on Earth. They form bundles called microfibrils.

<em><u>Chlorophyll: </u></em>Chlorophyll are molecules found in plant cells that play a role in food production in plants. Chlorophyll absorbs sunlight which is used in the process of food making called photosynthesis, along with other elements like water and carbon dioxide. Also chlorophyll gives the green pigmentation of plants.

<u><em>Chloroplast:</em></u> Chlorophyll are encased in an organelle called chloroplast. Chloroplasts are where photosynthesis takes place. They are found in the leaves of plants. Because they use chlorophyll, the are also green.

Other parts of a cell: (4, 9,11.15, 16, 17)

Both plant and animal cells also have similar organelles.

<em><u>Endoplasmic Reticulum (ER):</u></em> There are two types: smooth endoplasmic reticulum(SER); and rough endoplasmic reticulum(RER). The SER acts like a storage unit for lipids and steroids. They also help in the production as well. RER is a pckaging and synthesis area. It is rough because they have ribosomes on them.

<em><u>Ribosomes:</u></em> Ribosomes are small organelles in the cell that are partly made up of rRNA or ribosomal RNA. They play an important role in protein synthesis. They help translate the DNA code that the mRNA transcribed to determine what type of protein will be formed.

<em><u>Golgi Apparatus:</u></em> Also known as the golgi complex, is an organelle in the cell that serves as a sorting and packaging area. It collects simple molecules and packages them into more complex molecules which would be stored if the cell would need it, or it will be sent out of the cell. These complex molecules are packed into vesicles. A transition vesicle is made from the protein in the ER is transported to the golgi apparatus, which then processes its contents. It then releases a secretory vesicle, that is then brought to the cell membrane.

<em><u>Centrioles: </u></em> Centrioles are small, cylinder-shaped organelles that aid in cell division. They are made up of the protein, tubulin. These centrioles produce <em><u>spindles </u></em>or spindle fibers that pull on the chromosomes during cell division and split them up.

(CONTINUED IN THE ATTACHMENT)

3 0
3 years ago
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