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inysia [295]
2 years ago
11

In animal cells, cell junctions called ______ junctions form barriers between cells that prevent leaking of fluids and water-sol

uble molecules.
Biology
1 answer:
Lemur [1.5K]2 years ago
6 0
Animal cells communicate via their extracellular matrices and are connected to each other via tight junctions, desmosomes, and gap junctions
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In horses, the allele for a black coat (B) is dominant over the allele for a brown coat (b). A cross between a black horse and a
GaryK [48]

Answer:

Bb X bb

Explanation:

  • It is given that the allele B for the black coat is dominant over allele b for a brown coat.
  • A dominant allele always leads to the expression of the dominant trait in the heterozygous condition. 
  • When a black and brown horse is crossed as given in the question and the result is a brown foal, then the genotype of the brown foal must be bb as the brown coat is a recessive trait. 
  • Since each parent contributes one allele each for a given gene, the black horse must have b allele, and hence must be heterozygous Bb.
  • The cross is shown in the punnett square.

4 0
2 years ago
Li is interested in ways to maximize the vitamin content in his fresh fruits and vegetables. Which of the following practices sh
OlgaM077 [116]

Answer:

Use cooking methods that minimize/eliminate contact with water.

Explanation:

Vitamins are important nutrients found in fruits and vegetables. Vitamins can be easily leached out and it is therefore recommended that the vegetables should be consumed immediately after purchase or stored in an airtight container.

The use of cooking method that eliminate contact with water such as freezing, keeping in a close container will help retain the vitamins, reduce degradation rate and prevent it form been lost.

Cutting will allow easy definition of vitamins and result in its lost.

4 0
2 years ago
Which are the four steps of mitosis?
Brilliant_brown [7]

Explanation:

everything but interphase

5 0
2 years ago
Read 2 more answers
Investigators have arrived at a crime scene and are ready to search for evidence. What needs to happen next?
denpristay [2]

Answer: C . They should map out a grid to systematically look for evidence.

Explanation:

As a crime has been committed, the investigators do not need a search warrant so there is no need to ask a Judge for one so option A is incorrect.

It is best if evidence is searched for in different locations not just the primary scene so option B is incorrect.

Setting up a grip to enable the systematic analysis of evidence is their most likely course of action so option C is correct.

Even if the case is not complicated, evidence still needs to be searched for so option D is wrong.

6 0
2 years ago
If a pin is 0.001 m wide, how many RBCs could you line up across a pin
zavuch27 [327]
<span>The average human red blood cell is roughly 6 to 8 micrometers wide. The width of a pin is this problem is defined as 1000 micrometers. Assuming we use the smallest size of a blood cell, then we divide 1000 by 6, and we find that roughly 166.66 (or 166 if you are rounding down) red blood cells will fit.</span>
6 0
3 years ago
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