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Alex
3 years ago
7

During fertilization gametes join to form a diploid cell known as a ________

Biology
1 answer:
oksian1 [2.3K]3 years ago
5 0

Answer:

zygotes

Explanation:

Human fertilization and development

Fertilization is the process in which haploid gametes fuse to form a diploid cell called a zygote. To ensure that each zygote has the correct number of chromosomes, only one sperm can fuse with one egg.

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How might green spaces help reduce the negative impact that humans have on Earth’s water supply?
hoa [83]

It would give nature a place to fight back, and become more healthy, and less hindered. Cities mess up the evaporation cycle, and because of parks, the water is able to be soaked up by grass, and then released through evaporation. When it rains over a city, the water goes into gutters, and becomes more polluted.

8 0
3 years ago
Glucose molecules provide energy to power the swimming motion of sperm. In this example, the sperm are changing ______.
Hoochie [10]

The sperm are changing chemical energy into kinetic energy.

Chemical energy is defined as the chemical substance’s potential to undergo a transformation through a chemical reaction. So, this type of energy can be transformed to other forms of energy by a chemical reaction.

Kinetic energy, on the other hand, is the energy that an object (structure) possesses due to its motion.

So, in the example above, chemical energy of the glucose is used (by breaking the bonds of this molecule through the chemical reaction) for the formation of sperm’s kinetic energy (necessary for movement).

4 0
3 years ago
The point at which strands of the optic nerve from half of each eye cross over to the opposite side of the brain is called _____
Musya8 [376]
The optic chiasm is that crossing point.
6 0
3 years ago
The various parts of the endomembrane system serve different functions in the cell. In this activity, you will identify the role
liberstina [14]

Answer:

Smooth ER:

Lipid synthesis, Calcium ion storage, Poison detoxification

Rough ER:

Protein synthesis

Golgi apparatus:

Protein modification and storage, Cisternal maturation

Lysosomes:

Autophagy, Macromolecule digestion

Explanation:

The endomembrane system is important for the production, processing, and transport of proteins and lipids in the cell.

The smooth ER:

It aids basically in lipid production and processing.

The smooth endoplasmic reticulum, or smooth ER, is an organelle that is observed in animal cells and plant cells. Itd basic function is the production of cellular products such as hormones and lipids.

The rough ER :

It is the spot of secretory protein production.

Rough endoplasmic reticulum is observed in eukaryotic cells. Its basic aid is to synthesize proteins. It consists of cisternae, tubules and vesicles. The cisternae comprise of flattened membrane disks, that play a major role in protein modification.

Golgi apparatus:

It helps in further processing of the proteins produces for the rough ER and then in sending them off in vesicles to the plasma membrane.

It's often termed the cell's post office. It modifies, sorts and arrange proteins for secretion. It aids lipid transportation around the cell, and the production of lysosomes.

Lysosomes:

Its enzymes are synthesized and formed in the rough ER and Golgi apparatus. It aid hydrolysis of macromolecules e.g. phagocytosis and autophagy.

It is involved in digestion and waste removal by feeding on worn-out organelles, food molecules, and engulfed viruses or bacteria.

8 0
3 years ago
Is a chemical substance that is produced in substantial quantities, and is reasonably expected to be released in to the environm
lesantik [10]

Answer:

c-risk trigger

Explanation:

The Risk Evaluation process is the second step, following Prioritization and before Risk Management, in EPA’s existing chemical process under TSCA.  The purpose of risk evaluation is to determine whether a chemical substance presents an unreasonable risk to health or the environment, under the conditions of use, including an unreasonable risk to a relevant potentially exposed or susceptible subpopulation.  As part of this process, EPA must evaluate both hazard and exposure, exclude consideration of costs or other non-risk factors, use scientific information and approaches in a manner that is consistent with the requirements in TSCA for the best available science, and ensure decisions are based on the weight-of-scientific-evidence. 

8 0
3 years ago
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