based on the pathway above, will the spot cells in ladybug mutant lacking the d gene be able to make black pigment?

Biology

1 answer:

Brilliant_brown [7]1 year ago

4 0

Answer: it takes five legos to make the earth spin

Explanation:

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When zebrafish eggs are laid, they are surrounded by a tough chorion. Sperm are unable to get through this chorion and must find

Ivenika [448]

Answer: Aids in preventing polyspermy.

Explanation:

The polyspermy is a condition in which more than one sperm penetrate the nucleus of the mother egg. This process results in the contribution of extra centriole to the egg. The presence of the extra centriole the first division is affected and chromosomal partitioning hampers.

In the given situation, the tiny channel of micropyle can accept only one sperm to fuse with the egg membrane thus this will aid in preventing the polyspermy.

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3 years ago

Even though part of it is nonliving, ____ functions to protect the living parts of the stem

Aneli [31]

What are the choices? it could be the leaves

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3 years ago

MRNA<br> UGU UAU AUC GAA

Lapatulllka [165]

Answer:

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6 0

3 years ago

What artery supplies the chin/jaw region of the head with blood?

Ede4ka [16]

The artery that supplies the chin and jaw region of the head with blood is the facial artery which is a branch of the external carotid artery. All blood from the head arises from the common carotid artery wherein it is divided to internal carotid artery (major blood supply of the brain along with the basilar artery on the posterior side) and external carotid artery (major blood supply of the head other than the brain).

The external carotid artery has 8 major branches (from inferior to superior): (1) superior thyroid artery, (2) ascending pharyngeal artery, (3) lingual artery, (4) facial artery, (5) occipital artery, (6) posterior auricular artery, (7) maxillary artery, and (6) superficial temporal artery.

Attached is a simplified photo of the branches of the external carotid artery.

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3 years ago

A 35-year-old male complains of a "pressure" type headache to the back of his head and neck. He states that he woke up with the

tigry1 [53]

Answer:

Answer is D. Tension

Explanation:

Tension headache is a type of headache that can be described as feeling of dull or moderate pain in the head, which can be inform of a tightness around the head and the neck.Tension headache is also known as stress headache.

It has been discovered that, various activities like driving for a long period of time, staring to a computer for a long period and exposure to cold temperature, can cause tension headache.

The following activities can be developed to reduce or avoid tension headache.

* Drinking a lot of water.

* Regular exercise.

* Sleeping very well

* Limiting stress

* Eating foods like almond and walnut.

In this case, the complaint of a 'pressure' type headache to the back of the head and neck by the man, was a typical feeling ,synonymous to tension headache.

3 0

3 years ago