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zlopas [31]
4 years ago
11

Which of the following protists secrete digestive enzymes to break down live

Biology
1 answer:
Keith_Richards [23]4 years ago
8 0

<em>Answer:</em>

<em>I Think the answer is option "C"</em>

<em>Explanation:</em>

<em> Some unicellular green algae, notably Chlorella, live within the cells of animals, imparting a green color to some sponges, hydras, and flatworms. The plant kingdom probably evolved from a green alga.</em>

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If you wanted to make an instant cold pack, what kind of
Alex777 [14]
You would need to have exothermic
Exothermic is when heat is being released

Hope this helps
3 0
3 years ago
During the ____ phase of the menstrual cycle, the zona pellucida develops around each egg.
romanna [79]

During the menstrual phase of the menstrual cycle, the zona pellucida develops around each egg.

The menstrual cycle is count from the first day of one period to the first day of the next period. The menstrual cycle differs in all women. This cycle has four main phases namely the follicular phase, ovulation phase, luteal phase and the menstrual phase.

The follicular phase starts on day one. The follicle stimulating hormone or FSH and estrogen rise. This is followed by the ovulation phase in which the egg is released. In the luteal phase corpus luteum produces progesterone and estrogen. In the menstrual phase of the menstrual cycle, the zona pellucida develops around each egg.

To learn more about menstrual cycle here

brainly.com/question/27471285

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8 0
1 year ago
The result of gel electrophoresis are shown below with four different strands of dna labled which strand of dna is the longest
natulia [17]

Answer:

The longest strand of DNA is the one that has descended the least in the electrophoresis gel.  In other words, it is the one at the top of the gel.

Explanation:

Electrophoresis is a process that separates DNA according to its size and charge. The scientist puts the DNA samples into the indents at the top of a special gel. Then the person places it in a box that contains an ionic solution, a positive electrode at the bottom, and a negative electrode at the top. As the DNA has a negative charge, it will descend through the gel's pores towards the positive electrode. Since there are DNA of different lengths, the shortest goes down quickly through the gel than the large strands. As a result, the short strands of DNA will be at the bottom of the gel, the medium size strands will be in the middle of the gel, and the l<u>arge strands on the top of the gel</u>.

4 0
3 years ago
Read 2 more answers
Cross a person who does not have freckles and is heterozygous for dimples with a person who has
Alja [10]

Answer:

1. 1/2

2. 1/2

3. 1/4

Explanation:

Let the allele for freckles be A or a while that of dimples be B or b.

A person without freckles but heterozygous for dimples = aaBb

A person who has freckles (whose mother has no freckles) but no dimples = Aabb

      aaBb    x    Aabb

Offspring

4 AaBb - freckled and dimpled

4 Aabb - freckled and non dimpled

4 aaBb - non freckled and dimpled

4 aabb - non freckled and non dimpled

1. <em>Probability that the parents will have a dimpled child</em> = 8/16 or 1/2

2. <em>Probability that they will have a child with freckles</em> = 8/16 or 1/2

3. <em>Probability that they will have a child with freckles and dimples</em> = 4/16 or 1/4

<u>See the attached image for the Punnet's square analysis of the cross</u>

4 0
3 years ago
What is a feed back mechanism in the human body
ser-zykov [4K]
Your nerves send feedback to the brain to tell you what you are touching. I suppose that is a feedback mechanism. I dunno if it is entirely helpful.
3 0
3 years ago
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