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worty [1.4K]
3 years ago
14

I contain membrane-bound organelle‘s

Biology
1 answer:
Anarel [89]3 years ago
7 0

Answer:

We all do

Explanation:

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Disadvantage of the light microscopes
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Light microscopes have a lower resolution because the refracted light waves spread out which make the image a bit blurred. Also, light microscopes can’t magnify as well as election microscopes. To observe internal structures with a light microscope, you usually need to use dyes. Hope this helped!
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What will be the consequences if w do not educate them?<br>​
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In pea plants, smooth (S) peas are dominant over wrinkled (s) peas in the single gene controlling pea texture. A plant with smoo
OlgaM077 [116]

Answer:

Ss and ss

Explanation:

<em>Since the smooth trait (S) is dominant over the wrinkle trait (s), the genotype of the wrinkled pea parent is definitely </em><em>ss</em><em>.</em>

<em>Also, some of the progeny had wrinkled pea texture (ss). Each of the 2 wrinkled alleles must have been donated by each of the parent. It thus means that the smooth pea parent is heterozygous for the trait (</em><em>Ss</em><em>).</em>

Now, let us look at a cross between the two parents;

  Ss   x   ss

Progeny: Ss, Ss, ss, ss.

Phenotypically, 50% of the progeny are smooth peas while 50% are wrinkled.

Looking at the population of each of the phenotype resulting from the cross. 252:247 is approximately a 50:50 ratio.

Hence, the genotypes of the two parents are Ss and ss.

3 0
3 years ago
"ucture and properties of Matter
lapo4ka [179]

Answer:

Covalent bonds form when two atoms share valence electrons,

while Van der Waals forces cause an attraction between nonpolar

molecules

Explanation:

A covalent bond is said to be formed when two atoms of the same or different elements share electrons. In an ordinary covalent bond, each bonding atom contributes one valence electron while in a dative covalent bond only one of the bonding atoms provides the shared pair of electrons.

Van Der Waals forces is the major intermolecular interaction between non polar compounds. Van Der Waals forces " are caused by correlations in the fluctuating polarizations of nearby particles"(Wikipedia).

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3 years ago
The hormone __________ stimulates the secretion of pancreatic digestive enzymes and stimulates gallbladder contraction.
Roman55 [17]

Answer: option B) Secretin

Explanation:

Secretin is an enzyme formed by the upper intestinal layer and gets transported by blood to the PANCREAS which it stimulates: causing the flow of pancreatic juice, also the flow of bile and intestinal juice but to a lesser extent.

Alongside Gastrin, Secretin is one of the hormones of the Gastrointestinal tract; but their functions differ

Therefore, Secretin is the answer

6 0
3 years ago
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