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iris [78.8K]
2 years ago
13

This object is rocky or metallic and revolves around the sun. Which object is this describing in the solar system?

Biology
1 answer:
kenny6666 [7]2 years ago
4 0
A is the answer youre welcome
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Match each major blood vessel with the correct description
zalisa [80]

The aorta carries oxygen rich blood away from the heart.

The pulmonary artery transports deoxygenated blood from the heart to the lungs.

The inferior vena cava carries deoxygenated blood from the lower body to the heart.

The coronary artery branches from the aorta and provide oxygen to the heart muscles.

4 0
3 years ago
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The illustration below shows the steps of meiosis I. What is the step that is labeled D? metaphase I metaphase II telophase II t
WITCHER [35]

The right answer is metaphase II.

The process is performed in two nuclear and cytoplasmic divisions, called first and second meiotic division or simply meiosis I and meiosis II. Both include prophase, metaphase, anaphase, and telophase. First division prophase is long and consists of 5 stages: leptotene, zygotene, pachytene, diplotene, and diakinesis. It is at this point that genetic recombination takes place at the level of chiasmus.

During meiosis I, the members of each homologous pair of chromosomes are paired during prophase, forming bivalents. During this phase, a protein structure, called synaptonemal complex form, allows recombination between homologous chromosomes. Subsequently, a large condensation of the bivalent chromosomes occurs and go to the metaphase plate during the first metaphase, resulting in the migration of n chromosomes to each of the poles during the first anaphase. This reduction division is responsible for maintaining the number of chromosomes characteristic of each species.

In meiosis II, as in mitosis, the sister chromatids comprising each chromosome are separated and distributed between the nuclei of the daughter cells. Between these two successive steps, there is no DNA replication. The maturation of the daughter cells will result in the gametes.

7 0
3 years ago
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Which statement about nucleic acids is true?
horsena [70]

Answer:

All of the above

Explanation:

5 0
3 years ago
Only the constituents of amino acids and proteins​
Paha777 [63]

Explanation:

An amino acid is an organic molecule that is made up of a basic amino group (−NH2), an acidic carboxyl group (−COOH), and an organic R group (or side chain) that is unique to each amino acid.

4 0
3 years ago
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How do the teeth of Old World monkeys and apes differ? a. Old World monkeys have a diastema, whereas apes do not. b. Old World m
kumpel [21]

Answer:

The correct answer is D: "<em>Apes have a Y-5 pattern of cusps, whereas Old World monkeys have a bilophodont pattern</em>".

Explanation:

Apes and old world monkeys only have four kinds of teeth: <em>two incisors, one canine, two premolars, and three molars</em>. This dental formula is 2.1.2.3.

The old world monkeys characterize for having molars with four cusps joined by ridges. They have bilophodont teeth with better crushing, shearing and wearing capabilities than apes.  

Apes´molars have 5 cusps, a Y-shaped space between those raised points, and no transverse lophs. These characteristics are known as the Y-5 pattern.

7 0
3 years ago
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