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frozen [14]
2 years ago
6

In humans, sperm can survive _____ within the female reproductive tract.view available hint(s)in humans, sperm can survive _____

within the female reproductive tract.3-5 daysindefinitely3-5 hours3-5 weeks
Biology
1 answer:
olga55 [171]2 years ago
7 0
In humans sperms can survive 3 -5 days within the female reproductive tract. 
The ideal time of fertilization is around ovulation when the egg is in the fallopian tube. After travelling through the vaginal canal, the strongest sperm make it to the cervix. From here, the sperm must travel through the uterus and into one of the fallopian tubes.
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We were having a picnic, but a thunderstorm was suddenly over us. This was due to a change in _____. climate weather
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Weather not climate, climate within a period of time referred to such winters,autumn but weather such as sunny,stormy..
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Natural selection results in change overtime by acting on traits that are *
diamong [38]

Answer:

Advantageous

Explanation:

Natural selection acts on traits that are advantageous, thus increasing chances of survival and passing on the trait.

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2 years ago
What is the relationship between Endomembrane System, Insulin and Insulin Receptor, activation by phosphorylation, membrane-boun
mars1129 [50]

Answer:

The relationship between endomembrane system, insulin and insulin receptor, activation by phosphorylation, membrane-bound polyribosomes, and glucose transport channels is the eukariotic cell, because within it, they work together with the organelles to modify, summarize and transport lipids and proteins from the gut and absorb nutrients.

Explanation:

The Endomembrane system varies from membranes and organelles, but basically, it is structured by the nuclear envelope and lysosomes, the plasma membrane and several cytoplasmic organelles, as the ER, the Golgi apparatus, secretory granules, vesicles, lysosomes, endosomes, and the endoplasmic reticulum all working together to transfer, modify and package lipids and proteins macromoecules to the eukaryotic cell, from one part of it  to another, and from in to the outside of it also.

The membrane bound polyribosomes are attached to the cell endoplasmic reticulum. The bound ribosomes, used within the cell membrane or expelled from the cell by exocytosis, will produce insulin and they will become membrane bound to control the intake, protein modifications, fusion lipids and sugar breakdown. The insulin is a membrane bound polyribosomes protein synthesized in the ER, which travels along the endomembrane system. This hormone controls glucose and lipid metabolism  or energy function, if glucose level is high, insulin synthesis is activated.  

Synthesized and traveling through the endomembrane system, the insulin gets to its receptor called tyrosine kinase and activates it, phosphorylating and recruiting different substrate adaptors.

 The brand new insulin polypeptide chains go directly into the endoplasmic reticulum by the ribosome and then transported to where they are needed as insulin regulates sugar uptake into adipose tissue and skeletal muscle through glucose transport channels or glucose transporters GLUT4 within vesicles, which are directed to the plasma membrane, this is also the gut and nutrient absorption.

7 0
2 years ago
]How did the 1898 discovery of blood types affect society? Check all that apply. New ways to preserve and transport blood for bl
katrin [286]

All the options are correct.

1. New ways to preserve and transport blood for blood transfusions were discovered.

2. Blood transfusion safety was improved.

3. Scientists discovered that elements of blood could be separated by centrifuge.

4. Scientists discovered that plasma could be preserved by freezing.

Karl Landsteiner

Karl Landsteiner was the man who discovered some of the human blood types in 1900 and 1901 at the University of Vienna.

3 0
2 years ago
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Step 8: Simulate an environment with equal amounts of insects and seeds, but no fruit. Which flock will be able to eat the most?
defon

The omnivorous flock will eat the most as it eats both insects and seeds. With the removal of fruit it will not be affected much.

The herbivorous flock will eat the least as it has the option to eat seeds only after the removal of fruit.

Explanation:

Let us take the example of Finches. Finches have many different species with different variations adaptable to conditions favorable as per availability of the type of food.

Lets say -

Species X and Y is provided with insects, seeds and fruit.

Species X - Omnivorous

Species Y - Herbivorous

The species X will be able to eat the most as it is an Omnivore.

The omnivorous flock will eat the most as it eats both insects and seeds. With the removal of fruit it will not be affected much.

Species Y will be able to eat the least as it is an herbivore.

The herbivorous flock will eat the least as it has the option to eat seeds only after the removal of fruit.

6 0
2 years ago
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