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Elena-2011 [213]
3 years ago
14

In which cell will the molecules diffuse in. A or B

Biology
1 answer:
lora16 [44]3 years ago
7 0

Answer: I believe <u>option A.</u> is correct.

Explanation: When you look at both the cells, you see that cell A. shows the molecules diffusing in and out of the cell membrane. Where as, cell B. doesn't show as much.

Hope I could help! :)

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Possible causes of hypoxia include ________. getting very cold too little oxygen in the atmosphere obstruction of the esophagus
harkovskaia [24]

Answer:

too little oxygen in the atmosphere

Explanation:

Possible causes of hypoxia include too little oxygen in the atmosphere. getting very cold too little oxygen in the atmosphere obstruction of the esophagus taking several rapid deep breaths

5 0
2 years ago
What secretion helps waste to move through the large intestine?
Aleksandr-060686 [28]

Answer:

I'm almost certain that it's mucus. (been a hot sec since I took a bio or anatomy class)

Explanation:

Here's a quote: "The colon secretes mucus to bind and lubricate the food waste to help it pass through smoothly as it is dehydrated." -the Cleveland Clinic

7 0
2 years ago
Why is meiosis important for organisms? It allows for genetic variation among organisms. It determines which genes are dominant
Studentka2010 [4]

Meiosis is important for organisms since it allows for genetic variation among organisms.

<h2>Further Explanation</h2><h3>Cell division</h3>
  • Cell division is the process in which cells undergo division to form other new cells.
  • There are two types of cell division;
<h3>Mitosis Division  </h3>
  • Mitosis is a type of division in which a parent cell undergoes division to yield two daughter cells that are similar to the parent cells.
  • The daughter cells have equal number of chromosomes as the parent and are identical to the parent.
  • This type of cell division normally occurs in somatic cells of organisms and facilitates growth and development of organisms.
<h3>Meiosis division</h3>
  • Meiosis division is a type of division that occurs in gamete cells where a parent cell divides into four daughter cells that differ from the parent cells in terms of the number of chromosomes.
  • In meiosis the daughter cells have half the number of chromosomes as the parent cells.
  • Meiosis occurs in the gamete cells and facilitates sexual reproduction in living organisms.
  • Meiosis occurs in two phases, that is, meiosis I and meiosis II
  • During the process of meiosis several processes occurs that cause genetic variation among organisms.
  • These processes include, crossing over, independent assortment of genes, among others.
<h3>Crossing over  </h3>
  • Cross over is the process that occurs during the prophase I phase of the first stage of meiosis known as meiosis I.  
  • During the process of crossing over, genetic material is exchanged between homologous chromosomes which enhances the genetic variation in organisms.

Keywords: Cell division, meiosis, crossing over, genetic variation

<h3>Learn more about:</h3>
  • Cell division: brainly.com/question/5220873
  • Meiosis: brainly.com/question/5220873
  • Crossing over: brainly.com/question/5220873
  • Genetic variation: brainly.com/question/5220873

Level: High school  

Subject: Biology

Chapter: Cell division  

Sub-topic: Meiosis  

9 0
3 years ago
Read 2 more answers
What is the average atomic mass of a sample that has two isotopes, one with a mass of 21 amu at 62% abundance and another with a
motikmotik

Answer:

Average atomic mass = 21.38 amu.

Explanation:

Given data:

Mass of first isotope = 21 amu

Abundance of first isotope = 62%

Mass of second isotope = 22 amu

Abundance of second isotope = 38%

Average atomic mass = ?

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass  = (62×21)+(38×22) /100

Average atomic mass =  1302 +836 / 100

Average atomic mass = 2138 / 100

Average atomic mass = 21.38 amu.

3 0
3 years ago
Hi .........................................
laila [671]
Hi.........................bye....................
5 0
3 years ago
Read 2 more answers
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