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erik [133]
3 years ago
8

Why is a squid considered a cephalopod?

Biology
2 answers:
strojnjashka [21]3 years ago
8 0
<span>. It has feet attached to its head. B. It has heads attached to a foot. C. It has stomachs attached to a foot.</span>
Rina8888 [55]3 years ago
7 0
I believe it is because it has a stomach connected to its head. Do you have multiple choice options?
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There are 100 cats in a population that follows hardy-weinberg conditions. 4 cats display a recessive white coat color. how many
mr Goodwill [35]

We know that Hardy-Weinberg conditions include the following equations:


p^{2}+2pq+ q^{2}=1


where p+q=1


And where p = dominant, and q = recessive; this means that p^{2} is equal to the homozygous dominant, 2pq is the heterozygous, and q^{2} is the homozygous recessive .


So we have 100 total cats, with 4 having the recessive white coat color. That means we have a ratio of \frac{4}{100} or 0.04. Let that equal our q^{2} value.


So when we solve for q, we get:


q^{2}=0.04

q=\sqrt{0.04} =0.2


Now that we have our q value, we can use the other equation to find p:


p+q=1


p+0.2=1


p=0.8


So then we can solve for our heterozygous population:


2pq=2(0.8)(0.2)=0.32


This is the ratio of the population. So we then multiply this number by 100 to get the number of cats that are heterozygous:


0.32*100=32cats


So now we know that there are 32 heterozygous cats in the population.

8 0
3 years ago
Explain how a plant obtains usable energy through the process of photosynthesis.
Neko [114]
Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight <span>into chemical </span>energy<span>. ...Oxygenic </span>photosynthesis <span>functions as a counterbalance to respiration; it takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere.</span>
8 0
3 years ago
_________ is a smooth muscle cell has a central nucleus but lacks striations.
Natalija [7]

Answer:

Linings of hollow organs

Explanation:

Smooth muscle cells are usually found in the lining of hollow organs such as all arteries and veins, wall of stomach, uterus, urinary bladder, digestive system etc. The cells of these linings are spindle shaped and consist of a nucleus at the center which lacks striations.  

They work as a housekeeper and are under involuntary control except the heart. They lack striation because of irregular arraying of actin and myosin filament along the length of the cell.  

4 0
4 years ago
6. Once the chromosomes have formed a pair, what are<br> they called
Mazyrski [523]

Answer:

they are called tetrads

Explanation:

3 0
3 years ago
I WILL GIVE BRAINLIEST!!!
Elza [17]
Because it’s a 50 % chance
6 0
3 years ago
Read 2 more answers
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