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Ad libitum [116K]
3 years ago
5

Assume new techniques are developed with permit removing from a cell any desired parts or materials without killing the cell. If

the centrioles were removed from a cell, the cell would then not have:_______
a. Chromosomes
b. Mitochondria
c. Spindle fibers
d. Ribosomes
Biology
1 answer:
monitta3 years ago
7 0

Answer:

c. Spindle fibers

Explanation:

In eukaryotic cells, the centrioles are small sets of microtubules composed of tubulin proteins. Moreover, in animal cells, a centrosome is an organelle localized near the nucleus which contains a pair of centrioles. These organelles (centrosomes) are referred to as microtubule-organizing centers. During Anaphase, centrioles move to opposite sides in the cell in order to organize the spindle fibers and separate the chromosomes during cell division.

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Choose the correct answer.
andrey2020 [161]

Answer is B. Porifera

Members of the phylum porifera includes animals which lack tissues. These animals are also called sponges. These are the simplest multicellular animals. Even though they are multicellular, they do not have any tissues or organs. They have cellular level of body organization. Sponges are aquatic animals and water plays a major role in the feeding, exchange of gases and as well as excretion.


5 0
3 years ago
A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr
Mariulka [41]
The correct answer is 50%, or 1/2. We know that round seeds are dominant, since the round pea plant has a genotype of Rr and the wrinkled pea plant has a genotype of rr. If it helps, draw a Punnett square with the two genotypes.

   R  r
r
r

The square works exactly like a coordinate grid. Combine the letters above and beside whichever of the four spaces you chose to find the genotype for that space.

   R  r
r Rr  rr
r Rr  rr

Therefore, 2 out of 4 of the pea plants have round seeds, since a genotype of Rr means that a plant will have round seeds, and 2 out of 4 will have wrinkled seeds, since a genotype of rr means that a plant will have wrinkled seeds. 2/4 simplifies to 1/2, or 50%. Therefore, there is a 50% chance that the offspring will have wrinkled seeds.

Hope this helps!


6 0
3 years ago
Give the sequence of mRNA that would match the following DNA strand
sladkih [1.3K]

Answer:

Below

Explanation:

mRNA is a complimentary copy of a DNA segment (gene) and consequently can be used to deduce the gene sequence. For converting a sequence from mRNA to the original DNA code, apply the rules of complementary base pairing: Cytosine (C) is replaced with Guanine (G) – and vice versa. Uracil (U) is replaced by Adenine (A).

The codon is the three nucleotide sequence in the mRNA that indicates which amino acid should be incorporated in the growing polypeptide chain. The anticodon is the complementary three nucleotide sequence in the appropriate tRNA.

7 0
2 years ago
Pls helpppp: list any chemical process other then photosynthesis and respiration
zavuch27 [327]

Answer:

Transpiration

8 0
2 years ago
Read 2 more answers
Which brain structure relays information from eyes to the visual cortex? why ?
timurjin [86]
Thalamus relays information from eyes to the visual cortex. Thalamus organizes inputs from sensory organs and routes them to the appropriate areas of the brain. I hope that this is the answer that you were looking for and it has helped you.
4 0
3 years ago
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