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GaryK [48]
3 years ago
7

Nearly all cells found in multicellular organisms have similar needs as a result most organisms have developed similar what to m

eet those cell needs
Biology
1 answer:
valkas [14]3 years ago
4 0
<span>This statement is mostly false. While all organisms do share basic needs to sustain life, there is a wide variety of strategies employed to meet these needs. For example, while most plants receive nutrients from soil, some live in soils which do not fully meet their needs. Such plants sometimes kill and use animals in order to meet these needs (i.e. venus flytrap) or partner with bacteria that produce some of the nutrients they need (i.e legumes).</span>
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A recessive X-linked gene mutation is known to generate premature baldness in males but is without effect in women. If a heteroz
Sergeu [11.5K]

Answer:

\frac{1}{4}

Explanation:

Let "XB " represents the dominant allele for no baldness

and let "Xb " represents the recessive premature male-pattern baldness

Genotype of affected male is Xb Y

Genotype of heterozygous female XB  Xb

Now when the above male and female are crossed, the following offspring are produced

Xb Y * XB  Xb

XB  Xb, XB Y, Xb Xb, Xb Y

Since, this Xb allele is only expressed in males, therefore females will not be affected by it

Hence, out of 4 offspring only one male offspring with "XbY" genotype will have premature baldness

\frac{1}{4}

5 0
3 years ago
Which characteristics are always present in all living organisms?
Snezhnost [94]

Q1. Heredity, cell and metabolism are the characteristic feature that are always present in living organisms

Q2. We shouldn't wrap the dissected body into the original wrapper and give instructor to dispose it off.

<h3><u>Explanation:</u></h3>

Q1. A living organism has several characteristic factors like it has cells, the cell performs metabolic activities and the organism maintains a heredity along its progenies. The living organisms must have cells which leads them to enclose their cellular components inside it. It also must have a metabolic activity to metabolize nutrition into required energy. It also do have a heredity to continue the race it belongs to.

Q2. In the dissection class, after the experiment with dissected body is over, the dissected body needs to be wrapped in fresh polythene or other bags that should be pasted with biohazard stickers and should be eliminated into specific containers that contains other biohazard wastes. The instruments must be washed thoroughly with some antiseptic and soap. The hand gloves should also be dumped within the biohazard containers wrapped in proper bags.

8 0
4 years ago
Woody stems _____.
cricket20 [7]

Answer:

Phloem and xylem are closely associated and are usually found right next to one another. One xylem and one phloem are known as a ‘vascular bundle’ and most plants have multiple vascular bundles running the length of their leaves, stems, and roots.

7 0
3 years ago
Large animals require a _____ to move materials around with their bodies.
Elza [17]

Answer:

circulatory system

Explanation:

this is the correct answer mate!

4 0
3 years ago
Why can't we see chloroplasts in onion cells even though they have them?
sergejj [24]
 <span>Because the chloroplasts that actually photosynthesize are found in the tops of the onions - the part that is actually above ground. There's no reason for there to be chlorophyll in the onion skin itself because these grow underground :)</span>
7 0
3 years ago
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