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Semmy [17]
2 years ago
6

The bark of which tree is used to give black color to the figs?

Biology
1 answer:
Novosadov [1.4K]2 years ago
4 0

The bark is light gray and smooth. The bark of young branches is brownish. The widely spread, highly branching tree top often covers a diameter of 10 meters. It is a relatively small-leaved fig.

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Each body cell of a chimpanzee contains 48 chromosomes. After mitosis, how many chromosomes are present in each cell?
nekit [7.7K]

Answer:

During both mitosis and meiosis, DNA replicates first during S phase of interphase. Each copy (DNA molecule) is called chromatid. Before anaphase they remain together, joined by the centromere in the chromosome.

Part 1: How many chromatids and chromosomes are present at:

(a) anaphase of mitosis: During this phase sister chromatids split. We would have 48 chromosomes in each pole and 48 chromatides.

(b) anaphase I of meiosis: During this phase homologous chromosomes split, being a reductional division. In each pole we will have half the chromosomes we had after DNA replication. This is 24 chromosomes but 48 chromatides (remember they will split during anaphase II).

(c) anaphase II of meiosis: This is an equational division, we will have 24 chromosomes in each pole and 24 chromatides. Each chromatid is considered a chromosome.

(d) G1 prior to mitosis: During this phase DNA has not replicated yet and it is not condensed either. This formed is called chromatin. We will assign one chromatid for each chromosome. This is a somatic cell, so: 48 chromosomes and 48 chromatids.

(e) G2 prior to mitosis: After S phase, we have duplicated all chromosomes. We will assign two chromatids per chromosome: this is 96 chromatides and 48 chromosomes.

(f) G1 prior to meiosis: Before DNA duplication, 48 chromosomes, 48 chromatids.

(g) Prophase of meiosis I: After DNA replication, condensation of the chromatin takes place: 48 chromosomes, 96 chromatids.

Part 2: How many chromatids or chromosomes are present in:

(h) An oogonial cell prior to S phase: This is G1 phase, 48 chromosomes.

(i) A spermatide: This is the male haploid gametid, after meiosis: 24 chromosomes and 24 chromatids.

(j) A primary oocyte arrested prior to ovulation: They are arrested at prophase I of meiosis. This means their DNA is still duplicated and chromatides have not divided yet. 48 chromosomes and 96 chromatids.

(k) A secondary oocyte arrested prior to fertilization: They are halted at metaphase II of meiosis, meaning they have half the chromosomes (24) but chromatids are still together (48).

(l) A second polar body: They suffered the same process as the mature ovum but remained with little cytoplasm. They have 24 chromosomes and 24 chromatids.

(m) A chimpanzee sperm: They have completed both meiosis as well, they have 24 chromosomes and 24 chromatids.  

Explanation:

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2 years ago
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Does a forest in northern Canada have greater biodiversity than a tropical rain forest
Nitella [24]

Answer:

Tropical rain forest

Explanation:

8 0
3 years ago
BRAINLIEST:
cricket20 [7]

Answer:

it will gain stanght because it is part wind

6 0
2 years ago
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How would the presence or lack of a variety of animals affect the loss or growth of a plant's habitat?
Anastaziya [24]

Answer:

Okay so it would affect the loss of the plants habitat in a bad way

Explanation:

Let's say bees were lacking in the animal kingdom. So flowers wouldn't get pollinated making it bad for the flower to grow. So it wouldn't be the best of habitat for the flower. Helpfully this helped

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3 years ago
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Which of the following are true statements concerning enzymes?
MissTica

Answer:

B. Enzymes generally catalyze only very specific biochemical reactions.

E. Most enzymes are proteins composed of amino acids

F. The cells of both eukaryotes and prokaryotes all contain enzymes.

G. If the active site of an enzyme is altered, the enzyme is unable to catalyze the biochemical reaction.

Explanation:

Enzymes refers to substances that acts as a catalyst in living organisms. They regulate the rate at which chemical reactions proceed without being altered in the process. Enzymes regulate the biological process that occur within living organisms.

Enzymes catalyze all aspects of cell metabolism such as digestion of food, conservation and transformation of chemical energy and the construction of cellular macromolecules from smaller precursors.

Application of enzymes

1. Industrial application

2. Medical application

1. Enzymes can be used for industrial application such as beer brewing, wine fermentation, bread leavening.

2. Enzyme can also be applied in the medical aspects for killing disease-causing microorganisms, promoting wound healing, and diagnosing some diseases.

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