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kherson [118]
3 years ago
6

An act of fertilization in which genetic information is transferred between cells is called _____. external fertilization intern

al fertilization conjugation pollination
Biology
2 answers:
diamong [38]3 years ago
7 0

Conjugation is the process by which one bacterium transfers genetic material to another through direct contact. The answer is Conjugation

Crazy boy [7]3 years ago
4 0

Answer:

Conjugation

Explanation:

Conjugation is a process in which one bacterium transfers its genetic material or DNA to another bacterium through a sex pilus. During bacterial conjugation, one bacterium is a donor because it has a part of DNA known as fertility factor or F factor. This factor codes for sex pilus and the other bacterium is the recipient. The recipient bacterium gets fertility factor and becomes F+ and can and transfer DNA to other cells.

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Выберите верные утверждения:
Lorico [155]

Explanation:

1. У умных птиц у них только очень хорошо развит мозжечок.

U umnykh ptits u nikh tol'ko ochen' khorosho razvit mozzhechok.

2.  Это не правда; В случае самок птиц у нее один яичник, у них единственный - левый (правый атрофируется во время развития вместе с соответствующим яйцеводом), чьи соответствующие протоки открываются в клоаку или в половые отверстия.

V sluchaye samok ptits u neye odin yaichnik, u nikh yedinstvennyy - levyy (pravyy atrofiruyetsya vo vremya razvitiya vmeste s sootvetstvuyushchim yaytsevodom), ch'i sootvetstvuyushchiye protoki otkryvayutsya v kloaku ili v polovyye otverstiya.

3.Так и есть; зародышевый диск медленно растет на поверхности желтка с образованием бластодермы. Часть бластодермы, которая образует органы, является лишь частью бластодиска: zona pellucida; таким образом, инвагинация сводится к этой области в центральной первичной депрессии.

Tak i yest'; zarodyshevyy disk medlenno rastet na poverkhnosti zheltka s obrazovaniyem blastodermy. Chast' blastodermy, kotoraya obrazuyet organy, yavlyayetsya lish' chast'yu blastodiska: zona pellucida; takim obrazom, invaginatsiya svoditsya k etoy oblasti v tsentral'noy pervichnoy depressii.

4. Большинство видов гнездятся на земле, и их гнезда содержат от 4 до 12 яиц, окруженных пухом, сорванным с груди и живота самки. Птенцы плавают и кормятся самостоятельно вскоре после вывода из яйца. Некоторые виды, такие как североамериканская утка, гнездятся в дуплах деревьев и без проблем используют гнезда из искусственной древесины. Их птенцы могут без вреда выпрыгнуть из гнезда и вскоре войти в воду.

Bol'shinstvo vidov gnezdyatsya na zemle, i ikh gnezda soderzhat ot 4 do 12 yaits, okruzhennykh pukhom, sorvannym s grudi i zhivota samki. Ptentsy plavayut i kormyatsya samostoyatel'no vskore posle vyvoda iz yaytsa. Nekotoryye vidy, takiye kak severoamerikanskaya utka, gnezdyatsya v duplakh derev'yev i bez problem ispol'zuyut gnezda iz iskusstvennoy drevesiny. Ikh ptentsy mogut bez vreda vyprygnut' iz gnezda i vskore voyti v vodu.

4 0
3 years ago
Women who take folic acid pills during pregnancy have about ____ the probability of having a child with autism as compared to ot
Mama L [17]
Women who take folic acid pills during pregnancy have about half the probability of having a child with autism as compared to other women. Autism is a range of conditions that are characterized by challenges with social skills, repetitive behaviors, speech and non verbal communications, as well as by unique strengths and differences. Folic acid is very important as it helps the body make healthy new cells.
5 0
3 years ago
Is Mycobacterium plei gram positive or gram negative or not either or?
Karo-lina-s [1.5K]

Answer:

The correct answer is they show weak positive gram staining reaction.

Explanation:

<em>Mycobacterium phlei </em>is a rod-shaped species of the genus Mycobacterium. They are acid-fast bacteria with mycolic acids rich cell wall due to which gram stain cannot penetrate easily and show light purple color while staining.

When gram staining is performed on the <em>M.phlei </em>, they take light purple color which indicates that it is a gram-positive bacteria and is related to Actinobacteria phylum of the gram-positive bacteria.

Thus, <em>M. phlei</em> is a gram-positive bacteria.

4 0
3 years ago
Examine this food web for a particaulr terrestrial ecosystem. which species is most likely a decomposer on this food web?
Goryan [66]
The worm bc they are decomposers

4 0
3 years ago
Membrane proteins serve many functions, one of which is transportation of substances across a membrane. If a cytologist placed c
morpeh [17]

Answer:facilitated diffusion

Explanation: facilitated diffusion us the carrier-mediated Transport of large molecules across the cell membrane using Transport proteins found in the cell membrane.such molecules include glucose,amino acids and ions.the passage across the membrane is from higher concentration to lower concentration

3 0
3 years ago
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